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[Linux-stable-mirror] Patch "cpufreq: Fix creation of symbolic links to policy directories" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled cpufreq: Fix creation of symbolic links to policy directories to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: cpufreq-fix-creation-of-symbolic-links-to-policy-directories.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: "Rafael J. Wysocki" <rafael.j.wysocki(a)intel.com> Date: Mon, 27 Mar 2017 19:33:09 +0200 Subject: cpufreq: Fix creation of symbolic links to policy directories From: "Rafael J. Wysocki" <rafael.j.wysocki(a)intel.com> [ Upstream commit 2f0ba790df51721794c11abc7a076d407392f648 ] The cpufreq core only tries to create symbolic links from CPU directories in sysfs to policy directories in cpufreq_add_dev(), either when a given CPU is registered or when the cpufreq driver is registered, whichever happens first. That is not sufficient, however, because cpufreq_add_dev() may be called for an offline CPU whose policy object has not been created yet and, quite obviously, the symbolic cannot be added in that case. Fix that by making cpufreq_online() attempt to add symbolic links to policy objects for the CPUs in the related_cpus mask of every new policy object created by it. The cpufreq_driver_lock locking around the for_each_cpu() loop in cpufreq_online() is dropped, because it is not necessary and the code is somewhat simpler without it. Moreover, failures to create a symbolic link will not be regarded as hard errors any more and the CPUs without those links will not be taken offline automatically, but that should not be problematic in practice. Reported-and-tested-by: Prashanth Prakash <pprakash(a)codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> Cc: 4.9+ <stable(a)vger.kernel.org> # 4.9+ Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/cpufreq/cpufreq.c | 38 +++++++++++++++++++++----------------- 1 file changed, 21 insertions(+), 17 deletions(-) --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -918,11 +918,19 @@ static struct kobj_type ktype_cpufreq = .release = cpufreq_sysfs_release, }; -static int add_cpu_dev_symlink(struct cpufreq_policy *policy, - struct device *dev) +static void add_cpu_dev_symlink(struct cpufreq_policy *policy, unsigned int cpu) { + struct device *dev = get_cpu_device(cpu); + + if (!dev) + return; + + if (cpumask_test_and_set_cpu(cpu, policy->real_cpus)) + return; + dev_dbg(dev, "%s: Adding symlink\n", __func__); - return sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq"); + if (sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq")) + dev_err(dev, "cpufreq symlink creation failed\n"); } static void remove_cpu_dev_symlink(struct cpufreq_policy *policy, @@ -1184,10 +1192,10 @@ static int cpufreq_online(unsigned int c policy->user_policy.min = policy->min; policy->user_policy.max = policy->max; - write_lock_irqsave(&cpufreq_driver_lock, flags); - for_each_cpu(j, policy->related_cpus) + for_each_cpu(j, policy->related_cpus) { per_cpu(cpufreq_cpu_data, j) = policy; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); + add_cpu_dev_symlink(policy, j); + } } else { policy->min = policy->user_policy.min; policy->max = policy->user_policy.max; @@ -1284,13 +1292,15 @@ out_exit_policy: if (cpufreq_driver->exit) cpufreq_driver->exit(policy); + + for_each_cpu(j, policy->real_cpus) + remove_cpu_dev_symlink(policy, get_cpu_device(j)); + out_free_policy: cpufreq_policy_free(policy, !new_policy); return ret; } -static int cpufreq_offline(unsigned int cpu); - /** * cpufreq_add_dev - the cpufreq interface for a CPU device. * @dev: CPU device. @@ -1312,16 +1322,10 @@ static int cpufreq_add_dev(struct device /* Create sysfs link on CPU registration */ policy = per_cpu(cpufreq_cpu_data, cpu); - if (!policy || cpumask_test_and_set_cpu(cpu, policy->real_cpus)) - return 0; + if (policy) + add_cpu_dev_symlink(policy, cpu); - ret = add_cpu_dev_symlink(policy, dev); - if (ret) { - cpumask_clear_cpu(cpu, policy->real_cpus); - cpufreq_offline(cpu); - } - - return ret; + return 0; } static int cpufreq_offline(unsigned int cpu) Patches currently in stable-queue which might be from rafael.j.wysocki(a)intel.com are queue-4.9/cpuidle-validate-cpu_dev-in-cpuidle_add_sysfs.patch queue-4.9/cpuidle-fix-broadcast-control-when-broadcast-can-not-be-entered.patch queue-4.9/cpuidle-powernv-pass-correct-drv-cpumask-for-registration.patch queue-4.9/pm-opp-move-error-message-to-debug-level.patch queue-4.9/cpufreq-fix-creation-of-symbolic-links-to-policy-directories.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "cpuidle: fix broadcast control when broadcast can not be entered" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled cpuidle: fix broadcast control when broadcast can not be entered to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: cpuidle-fix-broadcast-control-when-broadcast-can-not-be-entered.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Nicholas Piggin <npiggin(a)gmail.com> Date: Fri, 1 Sep 2017 14:29:56 +1000 Subject: cpuidle: fix broadcast control when broadcast can not be entered From: Nicholas Piggin <npiggin(a)gmail.com> [ Upstream commit f187851b9b4a76952b1158b86434563dd2031103 ] When failing to enter broadcast timer mode for an idle state that requires it, a new state is selected that does not require broadcast, but the broadcast variable remains set. This causes tick_broadcast_exit to be called despite not having entered broadcast mode. This causes the WARN_ON_ONCE(!irqs_disabled()) to trigger in some cases. It does not appear to cause problems for code today, but seems to violate the interface so should be fixed. Signed-off-by: Nicholas Piggin <npiggin(a)gmail.com> Reviewed-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/cpuidle/cpuidle.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -189,6 +189,7 @@ int cpuidle_enter_state(struct cpuidle_d return -EBUSY; } target_state = &drv->states[index]; + broadcast = false; } /* Take note of the planned idle state. */ Patches currently in stable-queue which might be from npiggin(a)gmail.com are queue-4.9/cpuidle-fix-broadcast-control-when-broadcast-can-not-be-entered.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "clk: sunxi-ng: sun6i: Rename HDMI DDC clock to avoid name collision" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled clk: sunxi-ng: sun6i: Rename HDMI DDC clock to avoid name collision to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: clk-sunxi-ng-sun6i-rename-hdmi-ddc-clock-to-avoid-name-collision.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Chen-Yu Tsai <wens(a)csie.org> Date: Fri, 29 Sep 2017 16:22:54 +0800 Subject: clk: sunxi-ng: sun6i: Rename HDMI DDC clock to avoid name collision From: Chen-Yu Tsai <wens(a)csie.org> [ Upstream commit 7f3ed79188f2f094d0ee366fa858857fb7f511ba ] The HDMI DDC clock found in the CCU is the parent of the actual DDC clock within the HDMI controller. That clock is also named "hdmi-ddc". Rename the one in the CCU to "ddc". This makes more sense than renaming the one in the HDMI controller to something else. Fixes: c6e6c96d8fa6 ("clk: sunxi-ng: Add A31/A31s clocks") Signed-off-by: Chen-Yu Tsai <wens(a)csie.org> Signed-off-by: Maxime Ripard <maxime.ripard(a)free-electrons.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/clk/sunxi-ng/ccu-sun6i-a31.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -608,7 +608,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_cl 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT); -static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 0x150, BIT(30), 0); +static SUNXI_CCU_GATE(hdmi_ddc_clk, "ddc", "osc24M", 0x150, BIT(30), 0); static SUNXI_CCU_GATE(ps_clk, "ps", "lcd1-ch1", 0x140, BIT(31), 0); Patches currently in stable-queue which might be from wens(a)csie.org are queue-4.9/clk-sunxi-ng-sun6i-rename-hdmi-ddc-clock-to-avoid-name-collision.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "bnxt_en: Fix NULL pointer dereference in reopen failure path" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bnxt_en: Fix NULL pointer dereference in reopen failure path to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bnxt_en-fix-null-pointer-dereference-in-reopen-failure-path.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Sankar Patchineelam <sankar.patchineelam(a)broadcom.com> Date: Tue, 28 Mar 2017 19:47:29 -0400 Subject: bnxt_en: Fix NULL pointer dereference in reopen failure path From: Sankar Patchineelam <sankar.patchineelam(a)broadcom.com> [ Upstream commit 2247925f0942dc4e7c09b1cde45ca18461d94c5f ] Net device reset can fail when the h/w or f/w is in a bad state. Subsequent netdevice open fails in bnxt_hwrm_stat_ctx_alloc(). The cleanup invokes bnxt_hwrm_resource_free() which inturn calls bnxt_disable_int(). In this routine, the code segment if (ring->fw_ring_id != INVALID_HW_RING_ID) BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons); results in NULL pointer dereference as cpr->cp_doorbell is not yet initialized, and fw_ring_id is zero. The fix is to initialize cpr fw_ring_id to INVALID_HW_RING_ID before bnxt_init_chip() is invoked. Signed-off-by: Sankar Patchineelam <sankar.patchineelam(a)broadcom.com> Signed-off-by: Michael Chan <michael.chan(a)broadcom.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2381,6 +2381,18 @@ static int bnxt_init_one_rx_ring(struct return 0; } +static void bnxt_init_cp_rings(struct bnxt *bp) +{ + int i; + + for (i = 0; i < bp->cp_nr_rings; i++) { + struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; + struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; + + ring->fw_ring_id = INVALID_HW_RING_ID; + } +} + static int bnxt_init_rx_rings(struct bnxt *bp) { int i, rc = 0; @@ -4700,6 +4712,7 @@ static int bnxt_shutdown_nic(struct bnxt static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init) { + bnxt_init_cp_rings(bp); bnxt_init_rx_rings(bp); bnxt_init_tx_rings(bp); bnxt_init_ring_grps(bp, irq_re_init); Patches currently in stable-queue which might be from sankar.patchineelam(a)broadcom.com are queue-4.9/bnxt_en-fix-null-pointer-dereference-in-reopen-failure-path.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "Btrfs: fix an integer overflow check" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled Btrfs: fix an integer overflow check to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: btrfs-fix-an-integer-overflow-check.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Dan Carpenter <dan.carpenter(a)oracle.com> Date: Fri, 17 Mar 2017 23:51:20 +0300 Subject: Btrfs: fix an integer overflow check From: Dan Carpenter <dan.carpenter(a)oracle.com> [ Upstream commit 457ae7268b29c33dee1c0feb143a15f6029d177b ] This isn't super serious because you need CAP_ADMIN to run this code. I added this integer overflow check last year but apparently I am rubbish at writing integer overflow checks... There are two issues. First, access_ok() works on unsigned long type and not u64 so on 32 bit systems the access_ok() could be checking a truncated size. The other issue is that we should be using a stricter limit so we don't overflow the kzalloc() setting ctx->clone_roots later in the function after the access_ok(): alloc_size = sizeof(struct clone_root) * (arg->clone_sources_count + 1); sctx->clone_roots = kzalloc(alloc_size, GFP_KERNEL | __GFP_NOWARN); Fixes: f5ecec3ce21f ("btrfs: send: silence an integer overflow warning") Signed-off-by: Dan Carpenter <dan.carpenter(a)oracle.com> Reviewed-by: David Sterba <dsterba(a)suse.com> [ added comment ] Signed-off-by: David Sterba <dsterba(a)suse.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- fs/btrfs/send.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6196,8 +6196,13 @@ long btrfs_ioctl_send(struct file *mnt_f goto out; } + /* + * Check that we don't overflow at later allocations, we request + * clone_sources_count + 1 items, and compare to unsigned long inside + * access_ok. + */ if (arg->clone_sources_count > - ULLONG_MAX / sizeof(*arg->clone_sources)) { + ULONG_MAX / sizeof(struct clone_root) - 1) { ret = -EINVAL; goto out; } Patches currently in stable-queue which might be from dan.carpenter(a)oracle.com are queue-4.9/bna-integer-overflow-bug-in-debugfs.patch queue-4.9/btrfs-fix-an-integer-overflow-check.patch queue-4.9/ib-rxe-double-free-on-error.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "bna: avoid writing uninitialized data into hw registers" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bna: avoid writing uninitialized data into hw registers to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bna-avoid-writing-uninitialized-data-into-hw-registers.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Arnd Bergmann <arnd(a)arndb.de> Date: Thu, 23 Mar 2017 17:07:26 +0100 Subject: bna: avoid writing uninitialized data into hw registers From: Arnd Bergmann <arnd(a)arndb.de> [ Upstream commit a5af83925363eb85d467933e3d6ec5a87001eb7c ] The latest gcc-7 snapshot warns about bfa_ioc_send_enable/bfa_ioc_send_disable writing undefined values into the hardware registers: drivers/net/ethernet/brocade/bna/bfa_ioc.c: In function 'bfa_iocpf_sm_disabling_entry': arch/arm/include/asm/io.h:109:22: error: '*((void *)&disable_req+4)' is used uninitialized in this function [-Werror=uninitialized] arch/arm/include/asm/io.h:109:22: error: '*((void *)&disable_req+8)' is used uninitialized in this function [-Werror=uninitialized] The two functions look like they should do the same thing, but only one of them initializes the time stamp and clscode field. The fact that we only get a warning for one of the two functions seems to be arbitrary, based on the inlining decisions in the compiler. To address this, I'm making both functions do the same thing: - set the clscode from the ioc structure in both - set the time stamp from ktime_get_real_seconds (which also avoids the signed-integer overflow in 2038 and extends the well-defined behavior until 2106). - zero-fill the reserved field Fixes: 8b230ed8ec96 ("bna: Brocade 10Gb Ethernet device driver") Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/brocade/bna/bfa_ioc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -1930,13 +1930,13 @@ static void bfa_ioc_send_enable(struct bfa_ioc *ioc) { struct bfi_ioc_ctrl_req enable_req; - struct timeval tv; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.clscode = htons(ioc->clscode); - do_gettimeofday(&tv); - enable_req.tv_sec = ntohl(tv.tv_sec); + enable_req.rsvd = htons(0); + /* overflow in 2106 */ + enable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); } @@ -1947,6 +1947,10 @@ bfa_ioc_send_disable(struct bfa_ioc *ioc bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, bfa_ioc_portid(ioc)); + disable_req.clscode = htons(ioc->clscode); + disable_req.rsvd = htons(0); + /* overflow in 2106 */ + disable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); } Patches currently in stable-queue which might be from arnd(a)arndb.de are queue-4.9/hwmon-asus_atk0110-fix-uninitialized-data-access.patch queue-4.9/bna-avoid-writing-uninitialized-data-into-hw-registers.patch queue-4.9/virtio-balloon-use-actual-number-of-stats-for-stats-queue-buffers.patch queue-4.9/virtio_balloon-prevent-uninitialized-variable-use.patch queue-4.9/isdn-kcapi-avoid-uninitialized-data.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "bna: integer overflow bug in debugfs" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled bna: integer overflow bug in debugfs to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: bna-integer-overflow-bug-in-debugfs.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Dan Carpenter <dan.carpenter(a)oracle.com> Date: Fri, 17 Mar 2017 23:52:35 +0300 Subject: bna: integer overflow bug in debugfs From: Dan Carpenter <dan.carpenter(a)oracle.com> [ Upstream commit 13e2d5187f6b965ba3556caedb914baf81b98ed2 ] We could allocate less memory than intended because we do: bnad->regdata = kzalloc(len << 2, GFP_KERNEL); The shift can overflow leading to a crash. This is debugfs code so the impact is very small. Fixes: 7afc5dbde091 ("bna: Add debugfs interface.") Signed-off-by: Dan Carpenter <dan.carpenter(a)oracle.com> Acked-by: Rasesh Mody <rasesh.mody(a)cavium.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/ethernet/brocade/bna/bnad_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c +++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c @@ -325,7 +325,7 @@ bnad_debugfs_write_regrd(struct file *fi return PTR_ERR(kern_buf); rc = sscanf(kern_buf, "%x:%x", &addr, &len); - if (rc < 2) { + if (rc < 2 || len > UINT_MAX >> 2) { netdev_warn(bnad->netdev, "failed to read user buffer\n"); kfree(kern_buf); return -EINVAL; Patches currently in stable-queue which might be from dan.carpenter(a)oracle.com are queue-4.9/bna-integer-overflow-bug-in-debugfs.patch queue-4.9/btrfs-fix-an-integer-overflow-check.patch queue-4.9/ib-rxe-double-free-on-error.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "backlight: pwm_bl: Fix overflow condition" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled backlight: pwm_bl: Fix overflow condition to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: backlight-pwm_bl-fix-overflow-condition.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Derek Basehore <dbasehore(a)chromium.org> Date: Tue, 29 Aug 2017 13:34:34 -0700 Subject: backlight: pwm_bl: Fix overflow condition From: Derek Basehore <dbasehore(a)chromium.org> [ Upstream commit 5d0c49acebc9488e37db95f1d4a55644e545ffe7 ] This fixes an overflow condition that can happen with high max brightness and period values in compute_duty_cycle. This fixes it by using a 64 bit variable for computing the duty cycle. Signed-off-by: Derek Basehore <dbasehore(a)chromium.org> Acked-by: Thierry Reding <thierry.reding(a)gmail.com> Reviewed-by: Brian Norris <briannorris(a)chromium.org> Signed-off-by: Lee Jones <lee.jones(a)linaro.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/video/backlight/pwm_bl.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -79,14 +79,17 @@ static void pwm_backlight_power_off(stru static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness) { unsigned int lth = pb->lth_brightness; - int duty_cycle; + u64 duty_cycle; if (pb->levels) duty_cycle = pb->levels[brightness]; else duty_cycle = brightness; - return (duty_cycle * (pb->period - lth) / pb->scale) + lth; + duty_cycle *= pb->period - lth; + do_div(duty_cycle, pb->scale); + + return duty_cycle + lth; } static int pwm_backlight_update_status(struct backlight_device *bl) Patches currently in stable-queue which might be from dbasehore(a)chromium.org are queue-4.9/backlight-pwm_bl-fix-overflow-condition.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ASoC: STI: Fix reader substream pointer set" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ASoC: STI: Fix reader substream pointer set to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: asoc-sti-fix-reader-substream-pointer-set.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Arnaud Pouliquen <arnaud.pouliquen(a)st.com> Date: Thu, 23 Mar 2017 19:39:54 +0100 Subject: ASoC: STI: Fix reader substream pointer set From: Arnaud Pouliquen <arnaud.pouliquen(a)st.com> [ Upstream commit 3c9d3f1bc2defd418b5933bbc928096c9c686d3b ] reader->substream is used in IRQ handler for error case but is never set. Set value to pcm substream on DAI startup and clean it on dai shutdown. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen(a)st.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/soc/sti/uniperif_reader.c | 3 +++ 1 file changed, 3 insertions(+) --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -364,6 +364,8 @@ static int uni_reader_startup(struct snd struct uniperif *reader = priv->dai_data.uni; int ret; + reader->substream = substream; + if (!UNIPERIF_TYPE_IS_TDM(reader)) return 0; @@ -393,6 +395,7 @@ static void uni_reader_shutdown(struct s /* Stop the reader */ uni_reader_stop(reader); } + reader->substream = NULL; } static const struct snd_soc_dai_ops uni_reader_dai_ops = { Patches currently in stable-queue which might be from arnaud.pouliquen(a)st.com are queue-4.9/asoc-sti-fix-reader-substream-pointer-set.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: asoc-img-parallel-out-add-pm_runtime_get-put-to-set_fmt-callback.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Ed Blake <ed.blake(a)sondrel.com> Date: Mon, 2 Oct 2017 11:00:33 +0100 Subject: ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback From: Ed Blake <ed.blake(a)sondrel.com> [ Upstream commit c70458890ff15d858bd347fa9f563818bcd6e457 ] Add pm_runtime_get_sync and pm_runtime_put calls to set_fmt callback function. This fixes a bus error during boot when CONFIG_SUSPEND is defined when this function gets called while the device is runtime disabled and device registers are accessed while the clock is disabled. Signed-off-by: Ed Blake <ed.blake(a)sondrel.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/soc/img/img-parallel-out.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/soc/img/img-parallel-out.c +++ b/sound/soc/img/img-parallel-out.c @@ -166,9 +166,11 @@ static int img_prl_out_set_fmt(struct sn return -EINVAL; } + pm_runtime_get_sync(prl->dev); reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL); reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set; img_prl_out_writel(prl, reg, IMG_PRL_OUT_CTL); + pm_runtime_put(prl->dev); return 0; } Patches currently in stable-queue which might be from ed.blake(a)sondrel.com are queue-4.9/asoc-img-parallel-out-add-pm_runtime_get-put-to-set_fmt-callback.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "arm: kprobes: Fix the return address of multiple kretprobes" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled arm: kprobes: Fix the return address of multiple kretprobes to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-kprobes-fix-the-return-address-of-multiple-kretprobes.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Masami Hiramatsu <mhiramat(a)kernel.org> Date: Tue, 14 Feb 2017 00:05:59 +0900 Subject: arm: kprobes: Fix the return address of multiple kretprobes From: Masami Hiramatsu <mhiramat(a)kernel.org> [ Upstream commit 06553175f585b52509c7df37d6f4a50aacb7b211 ] This is arm port of commit 737480a0d525 ("kprobes/x86: Fix the return address of multiple kretprobes"). Fix the return address of subsequent kretprobes when multiple kretprobes are set on the same function. For example: # cd /sys/kernel/debug/tracing # echo "r:event1 sys_symlink" > kprobe_events # echo "r:event2 sys_symlink" >> kprobe_events # echo 1 > events/kprobes/enable # ln -s /tmp/foo /tmp/bar (without this patch) # cat trace | grep -v ^# ln-82 [000] dn.2 68.446525: event1: (kretprobe_trampoline+0x0/0x18 <- SyS_symlink) ln-82 [000] dn.2 68.447831: event2: (ret_fast_syscall+0x0/0x1c <- SyS_symlink) (with this patch) # cat trace | grep -v ^# ln-81 [000] dn.1 39.463469: event1: (ret_fast_syscall+0x0/0x1c <- SyS_symlink) ln-81 [000] dn.1 39.464701: event2: (ret_fast_syscall+0x0/0x1c <- SyS_symlink) Signed-off-by: Masami Hiramatsu <mhiramat(a)kernel.org> Cc: KUMANO Syuhei <kumano.prog(a)gmail.com> Signed-off-by: Jon Medhurst <tixy(a)linaro.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/probes/kprobes/core.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -433,6 +433,7 @@ static __used __kprobes void *trampoline struct hlist_node *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -455,14 +456,34 @@ static __used __kprobes void *trampoline /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __this_cpu_write(current_kprobe, &ri->rp->kp); get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __this_cpu_write(current_kprobe, NULL); } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -474,7 +495,6 @@ static __used __kprobes void *trampoline break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) { Patches currently in stable-queue which might be from mhiramat(a)kernel.org are queue-4.9/arm-kprobes-fix-the-return-address-of-multiple-kretprobes.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "arm: kprobes: Align stack to 8-bytes in test code" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled arm: kprobes: Align stack to 8-bytes in test code to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-kprobes-align-stack-to-8-bytes-in-test-code.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Jon Medhurst <tixy(a)linaro.org> Date: Thu, 2 Mar 2017 13:04:09 +0000 Subject: arm: kprobes: Align stack to 8-bytes in test code From: Jon Medhurst <tixy(a)linaro.org> [ Upstream commit 974310d047f3c7788a51d10c8d255eebdb1fa857 ] kprobes test cases need to have a stack that is aligned to an 8-byte boundary because they call other functions (and the ARM ABI mandates that alignment) and because test cases include 64-bit accesses to the stack. Unfortunately, GCC doesn't ensure this alignment for inline assembler and for the code in question seems to always misalign it by pushing just the LR register onto the stack. We therefore need to explicitly perform stack alignment at the start of each test case. Without this fix, some test cases will generate alignment faults on systems where alignment is enforced. Even if the kernel is configured to handle these faults in software, triggering them is ugly. It also exposes limitations in the fault handling code which doesn't cope with writes to the stack. E.g. when handling this instruction strd r6, [sp, #-64]! the fault handling code will write to a stack location below the SP value at the point the fault occurred, which coincides with where the exception handler has pushed the saved register context. This results in corruption of those registers. Signed-off-by: Jon Medhurst <tixy(a)linaro.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/probes/kprobes/test-core.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -976,7 +976,10 @@ static void coverage_end(void) void __naked __kprobes_test_case_start(void) { __asm__ __volatile__ ( - "stmdb sp!, {r4-r11} \n\t" + "mov r2, sp \n\t" + "bic r3, r2, #7 \n\t" + "mov sp, r3 \n\t" + "stmdb sp!, {r2-r11} \n\t" "sub sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" "bic r0, lr, #1 @ r0 = inline data \n\t" "mov r1, sp \n\t" @@ -996,7 +999,8 @@ void __naked __kprobes_test_case_end_32( "movne pc, r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "mov pc, r0 \n\t" ); } @@ -1012,7 +1016,8 @@ void __naked __kprobes_test_case_end_16( "bxne r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "bx r0 \n\t" ); } Patches currently in stable-queue which might be from tixy(a)linaro.org are queue-4.9/arm-kprobes-fix-the-return-address-of-multiple-kretprobes.patch queue-4.9/arm-kprobes-align-stack-to-8-bytes-in-test-code.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-dts-am335x-evmsk-adjust-mmc2-param-to-allow-suspend.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: "Reizer, Eyal" <eyalr(a)ti.com> Date: Sun, 26 Mar 2017 08:53:10 +0000 Subject: ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend From: "Reizer, Eyal" <eyalr(a)ti.com> [ Upstream commit 9bcf53f34a2c1cebc45cc12e273dcd5f51fbc099 ] mmc2 used for wl12xx was missing the keep-power-in suspend parameter. As a result the board couldn't reach suspend state. Signed-off-by: Eyal Reizer <eyalr(a)ti.com> Signed-off-by: Tony Lindgren <tony(a)atomide.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/boot/dts/am335x-evmsk.dts | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -668,6 +668,7 @@ ti,non-removable; bus-width = <4>; cap-power-off-card; + keep-power-in-suspend; pinctrl-names = "default"; pinctrl-0 = <&mmc2_pins>; Patches currently in stable-queue which might be from eyalr(a)ti.com are queue-4.9/arm-dts-am335x-evmsk-adjust-mmc2-param-to-allow-suspend.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ARM: dma-mapping: disallow dma_get_sgtable() for non-kernel managed memory" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: dma-mapping: disallow dma_get_sgtable() for non-kernel managed memory to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-dma-mapping-disallow-dma_get_sgtable-for-non-kernel-managed-memory.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Russell King <rmk+kernel(a)armlinux.org.uk> Date: Wed, 29 Mar 2017 17:12:47 +0100 Subject: ARM: dma-mapping: disallow dma_get_sgtable() for non-kernel managed memory From: Russell King <rmk+kernel(a)armlinux.org.uk> [ Upstream commit 916a008b4b8ecc02fbd035cfb133773dba1ff3d7 ] dma_get_sgtable() tries to create a scatterlist table containing valid struct page pointers for the coherent memory allocation passed in to it. However, memory can be declared via dma_declare_coherent_memory(), or via other reservation schemes which means that coherent memory is not guaranteed to be backed by struct pages. In such cases, the resulting scatterlist table contains pointers to invalid pages, which causes kernel oops later. This patch adds detection of such memory, and refuses to create a scatterlist table for such memory. Reported-by: Shuah Khan <shuahkhan(a)gmail.com> Signed-off-by: Russell King <rmk+kernel(a)armlinux.org.uk> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/mm/dma-mapping.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -930,13 +930,31 @@ static void arm_coherent_dma_free(struct __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); } +/* + * The whole dma_get_sgtable() idea is fundamentally unsafe - it seems + * that the intention is to allow exporting memory allocated via the + * coherent DMA APIs through the dma_buf API, which only accepts a + * scattertable. This presents a couple of problems: + * 1. Not all memory allocated via the coherent DMA APIs is backed by + * a struct page + * 2. Passing coherent DMA memory into the streaming APIs is not allowed + * as we will try to flush the memory through a different alias to that + * actually being used (and the flushes are redundant.) + */ int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { - struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); + unsigned long pfn = dma_to_pfn(dev, handle); + struct page *page; int ret; + /* If the PFN is not valid, we do not have a struct page */ + if (!pfn_valid(pfn)) + return -ENXIO; + + page = pfn_to_page(pfn); + ret = sg_alloc_table(sgt, 1, GFP_KERNEL); if (unlikely(ret)) return ret; Patches currently in stable-queue which might be from rmk+kernel(a)armlinux.org.uk are queue-4.9/arm-dma-mapping-disallow-dma_get_sgtable-for-non-kernel-managed-memory.patch queue-4.9/rtc-pl031-make-interrupt-optional.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ARM: dts: ti: fix PCI bus dtc warnings" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ARM: dts: ti: fix PCI bus dtc warnings to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: arm-dts-ti-fix-pci-bus-dtc-warnings.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Rob Herring <robh(a)kernel.org> Date: Tue, 21 Mar 2017 21:03:01 -0500 Subject: ARM: dts: ti: fix PCI bus dtc warnings From: Rob Herring <robh(a)kernel.org> [ Upstream commit 7d79f6098d82f8c09914d7799bc96891ad9c3baf ] dtc recently added PCI bus checks. Fix these warnings. Signed-off-by: Rob Herring <robh(a)kernel.org> Cc: "Benoît Cousson" <bcousson(a)baylibre.com> Cc: Tony Lindgren <tony(a)atomide.com> Cc: linux-omap(a)vger.kernel.org Signed-off-by: Tony Lindgren <tony(a)atomide.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/arm/boot/dts/dra7.dtsi | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -282,6 +282,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x20013000 0x13000 0 0xffed000>; + bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; linux,pci-domain = <0>; @@ -318,6 +319,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x30013000 0x13000 0 0xffed000>; + bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; linux,pci-domain = <1>; Patches currently in stable-queue which might be from robh(a)kernel.org are queue-4.9/arm-dts-ti-fix-pci-bus-dtc-warnings.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ALSA: hda - add support for docking station for HP 820 G2" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ALSA: hda - add support for docking station for HP 820 G2 to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: alsa-hda-add-support-for-docking-station-for-hp-820-g2.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Jaroslav Kysela <perex(a)perex.cz> Date: Thu, 9 Mar 2017 13:29:13 +0100 Subject: ALSA: hda - add support for docking station for HP 820 G2 From: Jaroslav Kysela <perex(a)perex.cz> [ Upstream commit 04d5466a976b096364a39a63ac264c1b3a5f8fa1 ] This tested patch adds missing initialization for Line-In/Out PINs for the docking station for HP 820 G2. Signed-off-by: Jaroslav Kysela <perex(a)perex.cz> Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/pci/hda/patch_realtek.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4854,6 +4854,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, @@ -5394,6 +5395,16 @@ static const struct hda_fixup alc269_fix .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1b, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { }, + }, + .chained = true, + .chain_id = ALC269_FIXUP_HP_GPIO_MIC1_LED + }, [ALC280_FIXUP_HP_9480M] = { .type = HDA_FIXUP_FUNC, .v.func = alc280_fixup_hp_9480m, @@ -5646,7 +5657,7 @@ static const struct snd_pci_quirk alc269 SND_PCI_QUIRK(0x103c, 0x2256, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2257, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2259, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), - SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), + SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2260, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2263, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2264, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), @@ -5812,6 +5823,7 @@ static const struct hda_model_fixup alc2 {.id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, .name = "headset-mode-no-hp-mic"}, {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"}, {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"}, + {.id = ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, .name = "hp-dock-gpio-mic1-led"}, {.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"}, {.id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, .name = "dell-headset-dock"}, {.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"}, Patches currently in stable-queue which might be from perex(a)perex.cz are queue-4.9/alsa-hda-add-support-for-docking-station-for-hp-820-g2.patch queue-4.9/alsa-hda-add-support-for-docking-station-for-hp-840-g3.patch

7 years, 9 months

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[Linux-stable-mirror] Patch "ALSA: hda - add support for docking station for HP 840 G3" has been added to the 4.9-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ALSA: hda - add support for docking station for HP 840 G3 to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: alsa-hda-add-support-for-docking-station-for-hp-840-g3.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Thu Dec 21 09:02:40 CET 2017 From: Jaroslav Kysela <perex(a)perex.cz> Date: Thu, 9 Mar 2017 13:30:09 +0100 Subject: ALSA: hda - add support for docking station for HP 840 G3 From: Jaroslav Kysela <perex(a)perex.cz> [ Upstream commit cc3a47a248d7791ef0d2c81a35c46769e55e4c6c ] This tested patch adds missing initialization for Line-In/Out PINs for the docking station for HP 840 G3. Signed-off-by: Jaroslav Kysela <perex(a)perex.cz> Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- sound/pci/hda/patch_conexant.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -261,6 +261,7 @@ enum { CXT_FIXUP_HP_530, CXT_FIXUP_CAP_MIX_AMP_5047, CXT_FIXUP_MUTE_LED_EAPD, + CXT_FIXUP_HP_DOCK, CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, }; @@ -778,6 +779,14 @@ static const struct hda_fixup cxt_fixups .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_mute_led_eapd, }, + [CXT_FIXUP_HP_DOCK] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x16, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { } + } + }, [CXT_FIXUP_HP_SPECTRE] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -839,6 +848,7 @@ static const struct snd_pci_quirk cxt506 SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC), SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC), + SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), @@ -872,6 +882,7 @@ static const struct hda_model_fixup cxt5 { .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" }, { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" }, { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" }, + { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" }, {} }; Patches currently in stable-queue which might be from perex(a)perex.cz are queue-4.9/alsa-hda-add-support-for-docking-station-for-hp-820-g2.patch queue-4.9/alsa-hda-add-support-for-docking-station-for-hp-840-g3.patch

7 years, 9 months

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[Linux-stable-mirror] [PATCH] cxl: Check if vphb exists before iterating over AFU devices

by Vaibhav Jain

commit 12841f87b7a8ceb3d54f171660f72a86941bfcb3 upstream, for 4.3. During an eeh a kernel-oops is reported if no vPHB is allocated to the AFU. This happens as during AFU init, an error in creation of vPHB is a non-fatal error. Hence afu->phb should always be checked for NULL before iterating over it for the virtual AFU pci devices. This patch fixes the kenel-oops by adding a NULL pointer check for afu->phb before it is dereferenced. Fixes: 9e8df8a21963 ("cxl: EEH support") Cc: stable(a)vger.kernel.org # v4.3+ Signed-off-by: Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> Acked-by: Andrew Donnellan <andrew.donnellan(a)au1.ibm.com> Acked-by: Frederic Barrat <fbarrat(a)linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> --- Changelog: - Rebased the patch on 4.3 stable tree --- drivers/misc/cxl/pci.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 85761d7eb333..b982329f3837 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1328,6 +1328,9 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -1368,6 +1371,10 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, */ for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; @@ -1491,6 +1498,9 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + cxl_pci_vphb_reconfigure(afu); list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { @@ -1555,6 +1565,9 @@ static void cxl_pci_resume(struct pci_dev *pdev) for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) -- 2.14.3

7 years, 9 months

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[Linux-stable-mirror] Patch "cxl: Check if vphb exists before iterating over AFU devices" has been added to the 4.4-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled cxl: Check if vphb exists before iterating over AFU devices to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: cxl-check-if-vphb-exists-before-iterating-over-afu-devices.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From 12841f87b7a8ceb3d54f171660f72a86941bfcb3 Mon Sep 17 00:00:00 2001 From: Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> Date: Thu, 23 Nov 2017 09:08:57 +0530 Subject: cxl: Check if vphb exists before iterating over AFU devices From: Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> commit 12841f87b7a8ceb3d54f171660f72a86941bfcb3 upstream. During an eeh a kernel-oops is reported if no vPHB is allocated to the AFU. This happens as during AFU init, an error in creation of vPHB is a non-fatal error. Hence afu->phb should always be checked for NULL before iterating over it for the virtual AFU pci devices. This patch fixes the kenel-oops by adding a NULL pointer check for afu->phb before it is dereferenced. Fixes: 9e8df8a21963 ("cxl: EEH support") Signed-off-by: Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> Acked-by: Andrew Donnellan <andrew.donnellan(a)au1.ibm.com> Acked-by: Frederic Barrat <fbarrat(a)linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/misc/cxl/pci.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1329,6 +1329,9 @@ static pci_ers_result_t cxl_vphb_error_d /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -1369,6 +1372,10 @@ static pci_ers_result_t cxl_pci_error_de */ for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; @@ -1492,6 +1499,9 @@ static pci_ers_result_t cxl_pci_slot_res if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + cxl_pci_vphb_reconfigure(afu); list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { @@ -1556,6 +1566,9 @@ static void cxl_pci_resume(struct pci_de for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) Patches currently in stable-queue which might be from vaibhav(a)linux.vnet.ibm.com are queue-4.4/cxl-check-if-vphb-exists-before-iterating-over-afu-devices.patch

7 years, 9 months

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[Linux-stable-mirror] [PATCH] cxl: Check if vphb exists before iterating over AFU devices

by Vaibhav Jain

commit 12841f87b7a8ceb3d54f171660f72a86941bfcb3 upstream, for 4.9. During an eeh a kernel-oops is reported if no vPHB is allocated to the AFU. This happens as during AFU init, an error in creation of vPHB is a non-fatal error. Hence afu->phb should always be checked for NULL before iterating over it for the virtual AFU pci devices. This patch fixes the kenel-oops by adding a NULL pointer check for afu->phb before it is dereferenced. Fixes: 9e8df8a21963 ("cxl: EEH support") Cc: stable(a)vger.kernel.org Signed-off-by: Vaibhav Jain <vaibhav(a)linux.vnet.ibm.com> Acked-by: Andrew Donnellan <andrew.donnellan(a)au1.ibm.com> Acked-by: Frederic Barrat <fbarrat(a)linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> --- Changelog: Rebased the upstream patch over stable 4.9 tree --- drivers/misc/cxl/pci.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index eef202d4399b..a5422f483ad5 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1758,6 +1758,9 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -1801,6 +1804,11 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, /* Only participate in EEH if we are on a virtual PHB */ if (afu->phb == NULL) return PCI_ERS_RESULT_NONE; + + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; @@ -1941,6 +1949,9 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { /* Reset the device context. * TODO: make this less disruptive @@ -2003,6 +2014,9 @@ static void cxl_pci_resume(struct pci_dev *pdev) for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) -- 2.14.3

7 years, 9 months

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[Linux-stable-mirror] v4.9.71 build: 0 failures 0 warnings (v4.9.71)

by Build bot for Mark Brown

Tree/Branch: v4.9.71 Git describe: v4.9.71 Commit: b632d71014 Linux 4.9.71 Build Time: 101 min 9 sec Passed: 10 / 10 (100.00 %) Failed: 0 / 10 ( 0.00 %) Errors: 0 Warnings: 0 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): ------------------------------------------------------------------------------- =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm64-allmodconfig arm-multi_v5_defconfig arm-multi_v7_defconfig x86_64-defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm-multi_v4t_defconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 9 months

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[Linux-stable-mirror] v4.4.107 build: 0 failures 0 warnings (v4.4.107)

by Build bot for Mark Brown

Tree/Branch: v4.4.107 Git describe: v4.4.107 Commit: 96c00ece76 Linux 4.4.107 Build Time: 86 min 57 sec Passed: 9 / 9 (100.00 %) Failed: 0 / 9 ( 0.00 %) Errors: 0 Warnings: 0 Section Mismatches: 0 ------------------------------------------------------------------------------- defconfigs with issues (other than build errors): ------------------------------------------------------------------------------- =============================================================================== Detailed per-defconfig build reports below: ------------------------------------------------------------------------------- Passed with no errors, warnings or mismatches: arm64-allnoconfig arm64-allmodconfig arm-multi_v5_defconfig arm-multi_v7_defconfig x86_64-defconfig arm-allmodconfig arm-allnoconfig x86_64-allnoconfig arm64-defconfig close failed in file object destructor: sys.excepthook is missing lost sys.stderr

7 years, 9 months

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[Linux-stable-mirror] [PATCH 2/2] input - leds: fix input_led_disconnect path

by Benjamin Tissoires

Before unregistering the led classes, we have to be sure there is no more events in the input pipeline. Closing the input node before removing the led classes flushes the pipeline and this prevents segfaults. Found with https://github.com/whot/fuzzydevice Link: https://bugzilla.kernel.org/show_bug.cgi?id=197679 Cc: stable(a)vger.kernel.org Signed-off-by: Benjamin Tissoires <benjamin.tissoires(a)redhat.com> --- drivers/input/input-leds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c index c86eb3d648bf..8aefcc186a02 100644 --- a/drivers/input/input-leds.c +++ b/drivers/input/input-leds.c @@ -211,6 +211,7 @@ static void input_leds_disconnect(struct input_handle *handle) int i; cancel_delayed_work_sync(&leds->init_work); + input_close_device(handle); for (i = 0; i < leds->num_leds; i++) { struct input_led *led = &leds->leds[i]; @@ -219,7 +220,6 @@ static void input_leds_disconnect(struct input_handle *handle) kfree(led->cdev.name); } - input_close_device(handle); input_unregister_handle(handle); kfree(leds); -- 2.14.3

7 years, 9 months

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[Linux-stable-mirror] [PATCH V2] block-throttle: avoid double charge

by Shaohua Li

If a bio is throttled and splitted after throttling, the bio could be resubmited and enters the throttling again. This will cause part of the bio is charged multiple times. If the cgroup has an IO limit, the double charge will significantly harm the performance. The bio split becomes quite common after arbitrary bio size change. To fix this, we always set the BIO_THROTTLED flag if a bio is throttled. If the bio is cloned/slitted, we copy the flag to new bio too to avoid double charge. However cloned bio could be directed to a new disk, keeping the flag will have problem. The observation is we always set new disk for the bio in this case, so we can clear the flag in bio_set_dev(). This issue exists a long time, arbitrary bio size change makes it worse, so this should go into stable at least since v4.2. V1-> V2: Not add extra field in bio based on discussion with Tejun Cc: Tejun Heo <tj(a)kernel.org> Cc: Vivek Goyal <vgoyal(a)redhat.com> Cc: stable(a)vger.kernel.org Signed-off-by: Shaohua Li <shli(a)fb.com> --- block/bio.c | 2 ++ block/blk-throttle.c | 8 +------- include/linux/bio.h | 2 ++ 3 files changed, 5 insertions(+), 7 deletions(-) diff --git a/block/bio.c b/block/bio.c index 8338304..d1d4d51 100644 --- a/block/bio.c +++ b/block/bio.c @@ -598,6 +598,8 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src) */ bio->bi_disk = bio_src->bi_disk; bio_set_flag(bio, BIO_CLONED); + if (bio_flagged(bio_src, BIO_THROTTLED)) + bio_set_flag(bio, BIO_THROTTLED); bio->bi_opf = bio_src->bi_opf; bio->bi_write_hint = bio_src->bi_write_hint; bio->bi_iter = bio_src->bi_iter; diff --git a/block/blk-throttle.c b/block/blk-throttle.c index ee6d7b0..f90fec1 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -2222,13 +2222,7 @@ bool blk_throtl_bio(struct request_queue *q, struct blkcg_gq *blkg, out_unlock: spin_unlock_irq(q->queue_lock); out: - /* - * As multiple blk-throtls may stack in the same issue path, we - * don't want bios to leave with the flag set. Clear the flag if - * being issued. - */ - if (!throttled) - bio_clear_flag(bio, BIO_THROTTLED); + bio_set_flag(bio, BIO_THROTTLED); #ifdef CONFIG_BLK_DEV_THROTTLING_LOW if (throttled || !td->track_bio_latency) diff --git a/include/linux/bio.h b/include/linux/bio.h index 9c75f58..27b5bac 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -504,6 +504,8 @@ extern unsigned int bvec_nr_vecs(unsigned short idx); #define bio_set_dev(bio, bdev) \ do { \ + if ((bio)->bi_disk != (bdev)->bd_disk) \ + bio_clear_flag(bio, BIO_THROTTLED);\ (bio)->bi_disk = (bdev)->bd_disk; \ (bio)->bi_partno = (bdev)->bd_partno; \ } while (0) -- 2.9.5

7 years, 9 months

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[Linux-stable-mirror] [GIT PULL] commits for Linux 4.14

by alexander.levin＠verizon.com

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi Greg, Pleae pull commits for Linux 4.14 . I've sent a review request for all commits over a week ago and all comments were addressed. Thanks, Sasha ===== The following changes since commit 7b3775017f4e6b87dfd2c7f63d1eaf057948f31d: Linux 4.14.8 (2017-12-20 10:10:38 +0100) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git tags/for-greg-4.14-20122017 for you to fetch changes up to 204764526502a6e2407bf5407ca5e9265f860985: IB/opa_vnic: Properly return the total MACs in UC MAC list (2017-12-20 10:19:00 -0500) - ---------------------------------------------------------------- for-greg-4.14-20122017 - ---------------------------------------------------------------- Alan Brady (1): i40e: fix client notify of VF reset Alex Williamson (1): vfio/pci: Virtualize Maximum Payload Size Alexandre Belloni (1): rtc: set the alarm to the next expiring timer Andrew Jeffery (1): leds: pca955x: Don't invert requested value in pca955x_gpio_set_value() Arvind Yadav (1): staging: greybus: light: Release memory obtained by kasprintf Chen-Yu Tsai (3): clk: sunxi-ng: nm: Check if requested rate is supported by fractional clock clk: sunxi-ng: sun5i: Fix bit offset of audio PLL post-divider clk: sunxi-ng: sun6i: Rename HDMI DDC clock to avoid name collision Christian Lamparter (1): crypto: crypto4xx - increase context and scatter ring buffer elements Christophe JAILLET (1): igb: check memory allocation failure Christophe Jaillet (1): crypto: lrw - Fix an error handling path in 'create()' Colin Ian King (1): IB/rxe: check for allocation failure on elem Dan Murphy (1): net: phy: at803x: Change error to EINVAL for invalid MAC David Daney (1): PCI: Avoid bus reset if bridge itself is broken Derek Basehore (1): backlight: pwm_bl: Fix overflow condition Dick Kennedy (3): scsi: lpfc: Fix secure firmware updates scsi: lpfc: PLOGI failures during NPIV testing scsi: lpfc: Fix warning messages when NVME_TARGET_FC not defined Ed Blake (1): ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback Emil Tantilov (1): ixgbe: fix use of uninitialized padding Eric Anholt (1): drm/vc4: Avoid using vrefresh==0 mode in DSI htotal math. Fabio Estevam (1): PM / OPP: Move error message to debug level Gabriele Paoloni (1): PCI/AER: Report non-fatal errors only to the affected endpoint Guoqing Jiang (1): md: always set THREAD_WAKEUP and wake up wqueue if thread existed Hans de Goede (2): Bluetooth: hci_uart_set_flow_control: Fix NULL deref when using serdev Bluetooth: hci_bcm: Fix setting of irq trigger type Hoang Tran (1): tcp: fix under-evaluated ssthresh in TCP Vegas Jacob Keller (3): i40e/i40evf: spread CPU affinity hints across online CPUs only fm10k: fix mis-ordered parameters in declaration for .ndo_set_vf_bw fm10k: ensure we process SM mbx when processing VF mbx Jean-FranÃ§ois TÃªtu (1): ASoC: codecs: msm8916-wcd-analog: fix micbias level Lihong Yang (1): i40e: use the safe hash table iterator when deleting mac filters Lorenzo Bianconi (1): iio: st_sensors: add register mask for status register Luca Miccio (1): block,bfq: Disable writeback throttling Marcelo Ricardo Leitner (1): sctp: silence warns on sctp_stream_init allocations Marek Szyprowski (1): ARM: exynos_defconfig: Enable UAS support for Odroid HC1 board Masahiro Yamada (1): kbuild: re-order the code to not parse unnecessary variables Mick Tarsel (1): ibmvnic: Set state UP Mike Manning (1): net: ipv6: send NS for DAD when link operationally up Nicholas Piggin (3): powerpc/xmon: Avoid tripping SMP hardlockup watchdog powerpc/watchdog: Do not trigger SMP crash from touch_nmi_watchdog cpuidle: fix broadcast control when broadcast can not be entered Nicolas Dechesne (1): ASoC: codecs: msm8916-wcd-analog: fix module autoload Nicolas Pitre (1): percpu: don't forget to free the temporary struct pcpu_alloc_info Niranjana Vishwanathapura (1): IB/opa_vnic: Properly return the total MACs in UC MAC list Russell King (1): rtc: pl031: make interrupt optional Scott Franco (1): IB/opa_vnic: Properly clear Mac Table Digest Shakeel Butt (1): kvm, mm: account kvm related kmem slabs to kmemcg Shashank Sharma (1): drm: Add retries for lspcon mode detection Sreekanth Reddy (1): scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive Stuart Hayes (1): PCI: Create SR-IOV virtfn/physfn links before attaching driver Tom Zanussi (1): tracing: Exclude 'generic fields' from histograms Varun Prakash (1): scsi: cxgb4i: fix Tx skb leak Wei Hu(Xavier) (1): RDMA/hns: Avoid NULL pointer exception Wei Wang (1): ipv6: grab rt->rt6i_ref before allocating pcpu rt William Tu (1): ip_gre: check packet length and mtu correctly in erspan tx Makefile | 233 +++++++++++---------- arch/arm/configs/exynos_defconfig | 2 +- arch/powerpc/kernel/watchdog.c | 7 +- arch/powerpc/xmon/xmon.c | 17 +- arch/x86/kvm/mmu.c | 4 +- block/bfq-iosched.c | 3 +- block/blk-wbt.c | 2 +- crypto/lrw.c | 6 +- drivers/base/power/opp/core.c | 2 +- drivers/bluetooth/hci_bcm.c | 23 +- drivers/bluetooth/hci_ldisc.c | 7 + drivers/clk/sunxi-ng/ccu-sun5i.c | 4 +- drivers/clk/sunxi-ng/ccu-sun6i-a31.c | 2 +- drivers/clk/sunxi-ng/ccu_nm.c | 3 + drivers/cpuidle/cpuidle.c | 1 + drivers/crypto/amcc/crypto4xx_core.h | 10 +- drivers/gpu/drm/drm_dp_dual_mode_helper.c | 16 +- drivers/gpu/drm/vc4/vc4_dsi.c | 3 +- drivers/iio/accel/st_accel_core.c | 35 +++- drivers/iio/common/st_sensors/st_sensors_core.c | 2 +- drivers/iio/common/st_sensors/st_sensors_trigger.c | 16 +- drivers/iio/gyro/st_gyro_core.c | 15 +- drivers/iio/magnetometer/st_magn_core.c | 10 +- drivers/iio/pressure/st_pressure_core.c | 15 +- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 5 + drivers/infiniband/sw/rxe/rxe_pool.c | 2 + drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c | 1 + .../infiniband/ulp/opa_vnic/opa_vnic_vema_iface.c | 8 +- drivers/leds/leds-pca955x.c | 17 +- drivers/md/md.c | 4 +- drivers/net/ethernet/ibm/ibmvnic.c | 2 + drivers/net/ethernet/intel/fm10k/fm10k.h | 4 +- drivers/net/ethernet/intel/fm10k/fm10k_iov.c | 12 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 16 +- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 7 +- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 9 +- drivers/net/ethernet/intel/igb/igb_main.c | 2 + drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 4 +- drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 2 + drivers/net/phy/at803x.c | 2 +- drivers/pci/iov.c | 3 +- drivers/pci/pci.c | 4 + drivers/pci/pcie/aer/aerdrv_core.c | 9 +- drivers/rtc/interface.c | 2 +- drivers/rtc/rtc-pl031.c | 14 +- drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 1 + drivers/scsi/lpfc/lpfc_hbadisc.c | 3 +- drivers/scsi/lpfc/lpfc_hw4.h | 2 +- drivers/scsi/lpfc/lpfc_nvmet.c | 2 + drivers/scsi/mpt3sas/mpt3sas_scsih.c | 5 + drivers/staging/greybus/light.c | 2 + drivers/vfio/pci/vfio_pci_config.c | 6 +- drivers/video/backlight/pwm_bl.c | 7 +- include/linux/iio/common/st_sensors.h | 7 +- kernel/trace/trace_events_hist.c | 4 +- mm/percpu.c | 3 +- net/ipv4/ip_gre.c | 8 +- net/ipv4/tcp_vegas.c | 2 +- net/ipv6/addrconf.c | 12 +- net/ipv6/route.c | 58 ++--- net/sctp/stream.c | 8 +- sound/soc/codecs/msm8916-wcd-analog.c | 9 +- sound/soc/img/img-parallel-out.c | 2 + virt/kvm/kvm_main.c | 2 +- 64 files changed, 433 insertions(+), 277 deletions(-) -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJaOoOmAAoJEN6mb/eXdyzcG2MQAI2up4W6o90STyohdrRBCnOV zCrQ3Vt7BSYHeHH5RrG5TUvLytidDef637z51Aoi3UZj+RY77AtSKgBN0ZtlhxC4 jQAP8NF0tjq1B1CsgAE2YSglNb0jsml6E+1hJOosApYPL0B2gmAeKBKjXZ6OJ/c9 2deTosmG6O4PG9cZy7y1stLZtLuNdTd7j2iBSgz4La7ZT+l8lOylP/cVIU+Z1ro6 aJmXkNTljM4SzCYtaN+Ml1sqrEAij61I/LPAG5Am9ansHlkJSGy3veM9RNqMjbmi H58+k4vA66LSYgOFwAAGTPOrsD22cgR+o1/pr2CorDwP6KjW4E5xvFJQRJlvZzHj p4ojU4L1rP98v1PeB03VLL4tbQqFUHR9s0uOvWkYWd+ylGUV8bFRIBrO3WyiXk62 qnJHvCCyyvGoSrLNtsAurL07p/Bfcx0BelofbV1xVl1h1wQXQPev/ICWzuaWOSJQ 1gjmq1KWRwL2Irn6IZJ4TevXKApxBhTBOI/OFNWfqsDVwSQR4mT9LSc9FoIbwCtL lwgjkfD+kDPDdW0eZECIBbhbPgNt/JZdLr7o3kTaLWBhh0mbMAGzU27GUpGZbJbX 4ABCyhidxJNq6BfqCI682rcR+yUc49Ap9iu+n9M4TB8NgWiWCbK6uLPKALNWgZ7u 4scsuSmAcDqhAZbr+ikd =c6Io -----END PGP SIGNATURE-----

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