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[PATCH] PCI: rcar: Fix writing the MACCTLR register value

by Yoshihiro Shimoda

According to the R-Car Gen2/3 manual, the bit 0 of MACCTLR register should be written by 0. To avoid unexpected behaviors from this incorrect setting, this patch fixes it. Fixes: b3327f7fae66 ("PCI: rcar: Try increasing PCIe link speed to 5 GT/s at boot") Cc: <stable(a)vger.kernel.org> # v4.9+ Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh(a)renesas.com> --- drivers/pci/controller/pcie-rcar.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index f6a669a..9eb9b25 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -93,6 +93,7 @@ #define LINK_SPEED_2_5GTS (1 << 16) #define LINK_SPEED_5_0GTS (2 << 16) #define MACCTLR 0x011058 +#define MACCTLR_RESERVED BIT(0) #define SPEED_CHANGE BIT(24) #define SCRAMBLE_DISABLE BIT(27) #define PMSR 0x01105c @@ -427,7 +428,8 @@ static void rcar_pcie_force_speedup(struct rcar_pcie *pcie) rcar_pci_write_reg(pcie, macsr, MACSR); /* Start link speed change */ - rcar_rmw32(pcie, MACCTLR, SPEED_CHANGE, SPEED_CHANGE); + rcar_rmw32(pcie, MACCTLR, SPEED_CHANGE | MACCTLR_RESERVED, + SPEED_CHANGE); while (timeout--) { macsr = rcar_pci_read_reg(pcie, MACSR); -- 2.7.4

5 years, 9 months

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FAILED: patch "[PATCH] riscv: Avoid interrupts being erroneously enabled in" failed to apply to 5.3-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From c82dd6d078a2bb29d41eda032bb96d05699a524d Mon Sep 17 00:00:00 2001 From: Vincent Chen <vincent.chen(a)sifive.com> Date: Mon, 16 Sep 2019 16:47:41 +0800 Subject: [PATCH] riscv: Avoid interrupts being erroneously enabled in handle_exception() When the handle_exception function addresses an exception, the interrupts will be unconditionally enabled after finishing the context save. However, It may erroneously enable the interrupts if the interrupts are disabled before entering the handle_exception. For example, one of the WARN_ON() condition is satisfied in the scheduling where the interrupt is disabled and rq.lock is locked. The WARN_ON will trigger a break exception and the handle_exception function will enable the interrupts before entering do_trap_break function. During the procedure, if a timer interrupt is pending, it will be taken when interrupts are enabled. In this case, it may cause a deadlock problem if the rq.lock is locked again in the timer ISR. Hence, the handle_exception() can only enable interrupts when the state of sstatus.SPIE is 1. This patch is tested on HiFive Unleashed board. Signed-off-by: Vincent Chen <vincent.chen(a)sifive.com> Reviewed-by: Palmer Dabbelt <palmer(a)sifive.com> [paul.walmsley(a)sifive.com: updated to apply] Fixes: bcae803a21317 ("RISC-V: Enable IRQ during exception handling") Cc: David Abdurachmanov <david.abdurachmanov(a)sifive.com> Cc: stable(a)vger.kernel.org Signed-off-by: Paul Walmsley <paul.walmsley(a)sifive.com> diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S index 74ccfd464071..da7aa88113c2 100644 --- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -166,9 +166,13 @@ ENTRY(handle_exception) move a0, sp /* pt_regs */ tail do_IRQ 1: - /* Exceptions run with interrupts enabled */ + /* Exceptions run with interrupts enabled or disabled + depending on the state of sstatus.SR_SPIE */ + andi t0, s1, SR_SPIE + beqz t0, 1f csrs CSR_SSTATUS, SR_SIE +1: /* Handle syscalls */ li t0, EXC_SYSCALL beq s4, t0, handle_syscall

5 years, 9 months

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[PATCH v2 6/6] rpmsg: glink: Free pending deferred work on remove

by Bjorn Andersson

By just cancelling the deferred rx worker during GLINK instance teardown any pending deferred commands are leaked, so free them. Fixes: b4f8e52b89f6 ("rpmsg: Introduce Qualcomm RPM glink driver") Cc: stable(a)vger.kernel.org Tested-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson(a)linaro.org> --- Changes since v1: - None drivers/rpmsg/qcom_glink_native.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 4117818db6a1..862f89c128a0 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1562,6 +1562,18 @@ static void qcom_glink_work(struct work_struct *work) } } +static void qcom_glink_cancel_rx_work(struct qcom_glink *glink) +{ + struct glink_defer_cmd *dcmd; + struct glink_defer_cmd *tmp; + + /* cancel any pending deferred rx_work */ + cancel_work_sync(&glink->rx_work); + + list_for_each_entry_safe(dcmd, tmp, &glink->rx_queue, node) + kfree(dcmd); +} + struct qcom_glink *qcom_glink_native_probe(struct device *dev, unsigned long features, struct qcom_glink_pipe *rx, @@ -1640,7 +1652,7 @@ void qcom_glink_native_remove(struct qcom_glink *glink) unsigned long flags; disable_irq(glink->irq); - cancel_work_sync(&glink->rx_work); + qcom_glink_cancel_rx_work(glink); ret = device_for_each_child(glink->dev, NULL, qcom_glink_remove_device); if (ret) -- 2.18.0

5 years, 9 months

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[PATCH v2 5/6] rpmsg: glink: Don't send pending rx_done during remove

by Bjorn Andersson

Attempting to transmit rx_done messages after the GLINK instance is being torn down will cause use after free and memory leaks. So cancel the intent_work and free up the pending intents. With this there are no concurrent accessors of the channel left during qcom_glink_native_remove() and there is therefor no need to hold the spinlock during this operation - which would prohibit the use of cancel_work_sync() in the release function. So remove this. Fixes: 1d2ea36eead9 ("rpmsg: glink: Add rx done command") Cc: stable(a)vger.kernel.org Tested-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson(a)linaro.org> --- Changes since v1: - Drop the locking of idr_lock in qcom_glink_native_remove() drivers/rpmsg/qcom_glink_native.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 89e02baea2d0..4117818db6a1 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -241,11 +241,23 @@ static void qcom_glink_channel_release(struct kref *ref) { struct glink_channel *channel = container_of(ref, struct glink_channel, refcount); + struct glink_core_rx_intent *intent; struct glink_core_rx_intent *tmp; unsigned long flags; int iid; + /* cancel pending rx_done work */ + cancel_work_sync(&channel->intent_work); + spin_lock_irqsave(&channel->intent_lock, flags); + /* Free all non-reuse intents pending rx_done work */ + list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) { + if (!intent->reuse) { + kfree(intent->data); + kfree(intent); + } + } + idr_for_each_entry(&channel->liids, tmp, iid) { kfree(tmp->data); kfree(tmp); @@ -1634,7 +1646,6 @@ void qcom_glink_native_remove(struct qcom_glink *glink) if (ret) dev_warn(glink->dev, "Can't remove GLINK devices: %d\n", ret); - spin_lock_irqsave(&glink->idr_lock, flags); /* Release any defunct local channels, waiting for close-ack */ idr_for_each_entry(&glink->lcids, channel, cid) kref_put(&channel->refcount, qcom_glink_channel_release); @@ -1645,7 +1656,6 @@ void qcom_glink_native_remove(struct qcom_glink *glink) idr_destroy(&glink->lcids); idr_destroy(&glink->rcids); - spin_unlock_irqrestore(&glink->idr_lock, flags); mbox_free_channel(glink->mbox_chan); } EXPORT_SYMBOL_GPL(qcom_glink_native_remove); -- 2.18.0

5 years, 9 months

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[PATCH v2 2/6] rpmsg: glink: Fix use after free in open_ack TIMEOUT case

by Bjorn Andersson

From: Arun Kumar Neelakantam <aneela(a)codeaurora.org> Extra channel reference put when remote sending OPEN_ACK after timeout causes use-after-free while handling next remote CLOSE command. Remove extra reference put in timeout case to avoid use-after-free. Fixes: b4f8e52b89f6 ("rpmsg: Introduce Qualcomm RPM glink driver") Cc: stable(a)vger.kernel.org Tested-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> Signed-off-by: Arun Kumar Neelakantam <aneela(a)codeaurora.org> Signed-off-by: Bjorn Andersson <bjorn.andersson(a)linaro.org> --- Changes since v1: - None drivers/rpmsg/qcom_glink_native.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 9355ce26fd98..72ed671f5dcd 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1103,13 +1103,12 @@ static int qcom_glink_create_remote(struct qcom_glink *glink, close_link: /* * Send a close request to "undo" our open-ack. The close-ack will - * release the last reference. + * release qcom_glink_send_open_req() reference and the last reference + * will be relesed after receiving remote_close or transport unregister + * by calling qcom_glink_native_remove(). */ qcom_glink_send_close_req(glink, channel); - /* Release qcom_glink_send_open_req() reference */ - kref_put(&channel->refcount, qcom_glink_channel_release); - return ret; } -- 2.18.0

5 years, 9 months

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[PATCH v2 1/6] rpmsg: glink: Fix reuse intents memory leak issue

by Bjorn Andersson

From: Arun Kumar Neelakantam <aneela(a)codeaurora.org> Memory allocated for re-usable intents are not freed during channel cleanup which causes memory leak in system. Check and free all re-usable memory to avoid memory leak. Fixes: 933b45da5d1d ("rpmsg: glink: Add support for TX intents") Cc: stable(a)vger.kernel.org Tested-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> Signed-off-by: Arun Kumar Neelakantam <aneela(a)codeaurora.org> Reported-by: Srinivas Kandagatla <srinivas.kandagatla(a)linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson(a)linaro.org> --- Changes since v1: - None drivers/rpmsg/qcom_glink_native.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 621f1afd4d6b..9355ce26fd98 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -241,10 +241,19 @@ static void qcom_glink_channel_release(struct kref *ref) { struct glink_channel *channel = container_of(ref, struct glink_channel, refcount); + struct glink_core_rx_intent *tmp; unsigned long flags; + int iid; spin_lock_irqsave(&channel->intent_lock, flags); + idr_for_each_entry(&channel->liids, tmp, iid) { + kfree(tmp->data); + kfree(tmp); + } idr_destroy(&channel->liids); + + idr_for_each_entry(&channel->riids, tmp, iid) + kfree(tmp); idr_destroy(&channel->riids); spin_unlock_irqrestore(&channel->intent_lock, flags); -- 2.18.0

5 years, 9 months

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FAILED: patch "[PATCH] drm/i915/userptr: Acquire the page lock around" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From cb6d7c7dc7ff8cace666ddec66334117a6068ce2 Mon Sep 17 00:00:00 2001 From: Chris Wilson <chris(a)chris-wilson.co.uk> Date: Mon, 8 Jul 2019 15:03:27 +0100 Subject: [PATCH] drm/i915/userptr: Acquire the page lock around set_page_dirty() set_page_dirty says: For pages with a mapping this should be done under the page lock for the benefit of asynchronous memory errors who prefer a consistent dirty state. This rule can be broken in some special cases, but should be better not to. Under those rules, it is only safe for us to use the plain set_page_dirty calls for shmemfs/anonymous memory. Userptr may be used with real mappings and so needs to use the locked version (set_page_dirty_lock). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203317 Fixes: 5cc9ed4b9a7a ("drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl") References: 6dcc693bc57f ("ext4: warn when page is dirtied without buffers") Signed-off-by: Chris Wilson <chris(a)chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin(a)intel.com> Cc: stable(a)vger.kernel.org Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin(a)intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190708140327.26825-1-chris@… diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 16ccec7fb7da..32d208ede343 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -665,7 +665,15 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj, for_each_sgt_page(page, sgt_iter, pages) { if (obj->mm.dirty) - set_page_dirty(page); + /* + * As this may not be anonymous memory (e.g. shmem) + * but exist on a real mapping, we have to lock + * the page in order to dirty it -- holding + * the page reference is not sufficient to + * prevent the inode from being truncated. + * Play safe and take the lock. + */ + set_page_dirty_lock(page); mark_page_accessed(page); put_page(page);

5 years, 9 months

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FAILED: patch "[PATCH] perf stat: Reset previous counts on repeat with interval" failed to apply to 5.3-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From b63fd11cced17fcb8e133def29001b0f6aaa5e06 Mon Sep 17 00:00:00 2001 From: Srikar Dronamraju <srikar(a)linux.vnet.ibm.com> Date: Wed, 4 Sep 2019 15:17:37 +0530 Subject: [PATCH] perf stat: Reset previous counts on repeat with interval When using 'perf stat' with repeat and interval option, it shows wrong values for events. The wrong values will be shown for the first interval on the second and subsequent repetitions. Without the fix: # perf stat -r 3 -I 2000 -e faults -e sched:sched_switch -a sleep 5 2.000282489 53 faults 2.000282489 513 sched:sched_switch 4.005478208 3,721 faults 4.005478208 2,666 sched:sched_switch 5.025470933 395 faults 5.025470933 1,307 sched:sched_switch 2.009602825 1,84,46,74,40,73,70,95,47,520 faults <------ 2.009602825 1,84,46,74,40,73,70,95,49,568 sched:sched_switch <------ 4.019612206 4,730 faults 4.019612206 2,746 sched:sched_switch 5.039615484 3,953 faults 5.039615484 1,496 sched:sched_switch 2.000274620 1,84,46,74,40,73,70,95,47,520 faults <------ 2.000274620 1,84,46,74,40,73,70,95,47,520 sched:sched_switch <------ 4.000480342 4,282 faults 4.000480342 2,303 sched:sched_switch 5.000916811 1,322 faults 5.000916811 1,064 sched:sched_switch # prev_raw_counts is allocated when using intervals. This is used when calculating the difference in the counts of events when using interval. The current counts are stored in prev_raw_counts to calculate the differences in the next iteration. On the first interval of the second and subsequent repetitions, prev_raw_counts would be the values stored in the last interval of the previous repetitions, while the current counts will only be for the first interval of the current repetition. Hence there is a possibility of events showing up as big number. Fix this by resetting prev_raw_counts whenever perf stat repeats the command. With the fix: # perf stat -r 3 -I 2000 -e faults -e sched:sched_switch -a sleep 5 2.019349347 2,597 faults 2.019349347 2,753 sched:sched_switch 4.019577372 3,098 faults 4.019577372 2,532 sched:sched_switch 5.019415481 1,879 faults 5.019415481 1,356 sched:sched_switch 2.000178813 8,468 faults 2.000178813 2,254 sched:sched_switch 4.000404621 7,440 faults 4.000404621 1,266 sched:sched_switch 5.040196079 2,458 faults 5.040196079 556 sched:sched_switch 2.000191939 6,870 faults 2.000191939 1,170 sched:sched_switch 4.000414103 541 faults 4.000414103 902 sched:sched_switch 5.000809863 450 faults 5.000809863 364 sched:sched_switch # Committer notes: This was broken since the cset introducing the --interval feature, i.e. --repeat + --interval wasn't tested at that point, add the Fixes tag so that automatic scripts can pick this up. Fixes: 13370a9b5bb8 ("perf stat: Add interval printing") Signed-off-by: Srikar Dronamraju <srikar(a)linux.vnet.ibm.com> Acked-by: Jiri Olsa <jolsa(a)kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme(a)redhat.com> Tested-by: Ravi Bangoria <ravi.bangoria(a)linux.ibm.com> Cc: Namhyung Kim <namhyung(a)kernel.org> Cc: Naveen N. Rao <naveen.n.rao(a)linux.vnet.ibm.com> Cc: Stephane Eranian <eranian(a)google.com> Cc: stable(a)vger.kernel.org # v3.9+ Link: http://lore.kernel.org/lkml/20190904094738.9558-2-srikar@linux.vnet.ibm.com [ Fixed up conflicts with libperf, i.e. some perf_{evsel,evlist} lost the 'perf' prefix ] Signed-off-by: Arnaldo Carvalho de Melo <acme(a)redhat.com> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index eece3d1e429a..fa4b148ecfca 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1952,6 +1952,9 @@ int cmd_stat(int argc, const char **argv) fprintf(output, "[ perf stat: executing run #%d ... ]\n", run_idx + 1); + if (run_idx != 0) + perf_evlist__reset_prev_raw_counts(evsel_list); + status = run_perf_stat(argc, argv, run_idx); if (forever && status != -1) { print_counters(NULL, argc, argv); diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 06571209cb0b..fcd54342c04c 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -162,6 +162,15 @@ static void perf_evsel__free_prev_raw_counts(struct evsel *evsel) evsel->prev_raw_counts = NULL; } +static void perf_evsel__reset_prev_raw_counts(struct evsel *evsel) +{ + if (evsel->prev_raw_counts) { + evsel->prev_raw_counts->aggr.val = 0; + evsel->prev_raw_counts->aggr.ena = 0; + evsel->prev_raw_counts->aggr.run = 0; + } +} + static int perf_evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) { int ncpus = perf_evsel__nr_cpus(evsel); @@ -212,6 +221,14 @@ void perf_evlist__reset_stats(struct evlist *evlist) } } +void perf_evlist__reset_prev_raw_counts(struct evlist *evlist) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) + perf_evsel__reset_prev_raw_counts(evsel); +} + static void zero_per_pkg(struct evsel *counter) { if (counter->per_pkg_mask) diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 0f9c9f6e2041..edbeb2f63e8d 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -193,6 +193,7 @@ void perf_stat__collect_metric_expr(struct evlist *); int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw); void perf_evlist__free_stats(struct evlist *evlist); void perf_evlist__reset_stats(struct evlist *evlist); +void perf_evlist__reset_prev_raw_counts(struct evlist *evlist); int perf_stat_process_counter(struct perf_stat_config *config, struct evsel *counter);

5 years, 9 months

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[PATCH] NFC: pn533: fix use-after-free and memleaks

by Johan Hovold

The driver would fail to deregister and its class device and free related resources on late probe errors. Reported-by: syzbot+cb035c75c03dbe34b796(a)syzkaller.appspotmail.com Fixes: 32ecc75ded72 ("NFC: pn533: change order operations in dev registation") Cc: stable <stable(a)vger.kernel.org> # 4.11 Signed-off-by: Johan Hovold <johan(a)kernel.org> --- drivers/nfc/pn533/usb.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index c5289eaf17ee..e897e4d768ef 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -547,18 +547,25 @@ static int pn533_usb_probe(struct usb_interface *interface, rc = pn533_finalize_setup(priv); if (rc) - goto error; + goto err_deregister; usb_set_intfdata(interface, phy); return 0; +err_deregister: + pn533_unregister_device(phy->priv); error: + usb_kill_urb(phy->in_urb); + usb_kill_urb(phy->out_urb); + usb_kill_urb(phy->ack_urb); + usb_free_urb(phy->in_urb); usb_free_urb(phy->out_urb); usb_free_urb(phy->ack_urb); usb_put_dev(phy->udev); kfree(in_buf); + kfree(phy->ack_buffer); return rc; } -- 2.23.0

5 years, 9 months

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✅ PASS: Stable queue: queue-5.3

by CKI Project

Hello, We ran automated tests on a patchset that was proposed for merging into this kernel tree. The patches were applied to: Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 52020d3f6633 - Linux 5.3.5 The results of these automated tests are provided below. Overall result: PASSED Merge: OK Compile: OK Tests: OK All kernel binaries, config files, and logs are available for download here: https://artifacts.cki-project.org/pipelines/214135 Please reply to this email if you have any questions about the tests that we ran or if you have any suggestions on how to make future tests more effective. ,-. ,-. ( C ) ( K ) Continuous `-',-.`-' Kernel ( I ) Integration `-' ______________________________________________________________________________ Merge testing ------------- We cloned this repository and checked out the following commit: Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 52020d3f6633 - Linux 5.3.5 We grabbed the 44be84f43632 commit of the stable queue repository. We then merged the patchset with `git am`: s390-process-avoid-potential-reading-of-freed-stack.patch s390-sclp-fix-bit-checked-for-has_sipl.patch kvm-s390-test-for-bad-access-register-and-size-at-the-start-of-s390_mem_op.patch s390-topology-avoid-firing-events-before-kobjs-are-created.patch s390-cio-avoid-calling-strlen-on-null-pointer.patch s390-cio-exclude-subchannels-with-no-parent-from-pseudo-check.patch s390-dasd-fix-error-handling-during-online-processing.patch revert-s390-dasd-add-discard-support-for-ese-volumes.patch kvm-s390-fix-__insn32_query-inline-assembly.patch kvm-ppc-book3s-enable-xive-native-capability-only-if-opal-has-required-functions.patch kvm-ppc-book3s-hv-xive-free-escalation-interrupts-before-disabling-the-vp.patch kvm-ppc-book3s-hv-don-t-push-xive-context-when-not-using-xive-device.patch kvm-ppc-book3s-hv-fix-race-in-re-enabling-xive-escalation-interrupts.patch kvm-ppc-book3s-hv-check-for-mmu-ready-on-piggybacked-virtual-cores.patch kvm-ppc-book3s-hv-don-t-lose-pending-doorbell-request-on-migration-on-p9.patch kvm-x86-fix-userspace-set-invalid-cr4.patch nbd-fix-max-number-of-supported-devs.patch pm-devfreq-tegra-fix-khz-to-hz-conversion.patch asoc-define-a-set-of-dapm-pre-post-up-events.patch asoc-sgtl5000-improve-vag-power-and-mute-control.patch powerpc-xive-implement-get_irqchip_state-method-for-xive-to-fix-shutdown-race.patch powerpc-mce-fix-mce-handling-for-huge-pages.patch powerpc-mce-schedule-work-from-irq_work.patch powerpc-603-fix-handling-of-the-dirty-flag.patch powerpc-32s-fix-boot-failure-with-debug_pagealloc-without-kasan.patch powerpc-ptdump-fix-addresses-display-on-ppc32.patch powerpc-powernv-restrict-opal-symbol-map-to-only-be-readable-by-root.patch powerpc-pseries-fix-cpu_hotplug_lock-acquisition-in-resize_hpt.patch powerpc-powernv-ioda-fix-race-in-tce-level-allocation.patch powerpc-kasan-fix-parallel-loading-of-modules.patch powerpc-kasan-fix-shadow-area-set-up-for-modules.patch powerpc-book3s64-mm-don-t-do-tlbie-fixup-for-some-hardware-revisions.patch powerpc-book3s64-radix-rename-cpu_ftr_p9_tlbie_bug-feature-flag.patch powerpc-mm-add-a-helper-to-select-page_kernel_ro-or-page_readonly.patch powerpc-mm-fix-an-oops-in-kasan_mmu_init.patch powerpc-mm-fixup-tlbie-vs-mtpidr-mtlpidr-ordering-issue-on-power9.patch can-mcp251x-mcp251x_hw_reset-allow-more-time-after-a-reset.patch tools-lib-traceevent-fix-robust-test-of-do_generate_dynamic_list_file.patch tools-lib-traceevent-do-not-free-tep-cmdlines-in-add_new_comm-on-failure.patch crypto-qat-silence-smp_processor_id-warning.patch crypto-skcipher-unmap-pages-after-an-external-error.patch crypto-cavium-zip-add-missing-single_release.patch crypto-caam-qi-fix-error-handling-in-ern-handler.patch crypto-caam-fix-concurrency-issue-in-givencrypt-descriptor.patch crypto-ccree-account-for-tee-not-ready-to-report.patch crypto-ccree-use-the-full-crypt-length-value.patch mips-treat-loongson-extensions-as-ases.patch power-supply-sbs-battery-use-correct-flags-field.patch power-supply-sbs-battery-only-return-health-when-battery-present.patch tracing-make-sure-variable-reference-alias-has-correct-var_ref_idx.patch usercopy-avoid-highmem-pfn-warning.patch timer-read-jiffies-once-when-forwarding-base-clk.patch pci-vmd-fix-config-addressing-when-using-bus-offsets.patch pci-hv-avoid-use-of-hv_pci_dev-pci_slot-after-freeing-it.patch pci-vmd-fix-shadow-offsets-to-reflect-spec-changes.patch pci-restore-resizable-bar-size-bits-correctly-for-1mb-bars.patch selftests-tpm2-add-the-missing-test_files-assignment.patch selftests-pidfd-fix-undefined-reference-to-pthread_create.patch watchdog-imx2_wdt-fix-min-calculation-in-imx2_wdt_set_timeout.patch perf-tools-fix-segfault-in-cpu_cache_level__read.patch perf-stat-fix-a-segmentation-fault-when-using-repeat-forever.patch drm-i915-dp-fix-dsc-bpp-calculations-v5.patch drm-atomic-reject-flip_async-unconditionally.patch drm-atomic-take-the-atomic-toys-away-from-x.patch drm-mali-dp-mark-expected-switch-fall-through.patch drm-omap-fix-max-fclk-divider-for-omap36xx.patch drm-msm-dsi-fix-return-value-check-for-clk_get_parent.patch drm-nouveau-kms-nv50-don-t-create-mstms-for-edp-connectors.patch drm-amd-powerplay-change-metrics-update-period-from-1ms-to-100ms.patch drm-i915-gvt-update-vgpu-workload-head-pointer-correctly.patch drm-i915-userptr-acquire-the-page-lock-around-set_page_dirty.patch drm-i915-to-make-vgpu-ppgtt-notificaiton-as-atomic-operation.patch mac80211-keep-bhs-disabled-while-calling-drv_tx_wake_queue.patch mmc-tegra-implement-set_dma_mask.patch mmc-sdhci-improve-adma-error-reporting.patch mmc-sdhci-of-esdhc-set-dma-snooping-based-on-dma-coherence.patch mmc-sdhci-let-drivers-define-their-dma-mask.patch revert-locking-pvqspinlock-don-t-wait-if-vcpu-is-preempted.patch libnvdimm-altmap-track-namespace-boundaries-in-altmap.patch sched-add-__assembly__-guards-around-struct-clone_args.patch dts-arm-gta04-introduce-legacy-spi-cs-high-to-make-display-work-again.patch xen-balloon-set-pages-pageoffline-in-balloon_add_region.patch xen-xenbus-fix-self-deadlock-after-killing-user-process.patch ieee802154-atusb-fix-use-after-free-at-disconnect.patch nl80211-validate-beacon-head.patch cfg80211-validate-ssid-mbssid-element-ordering-assumption.patch cfg80211-initialize-on-stack-chandefs.patch Compile testing --------------- We compiled the kernel for 3 architectures: aarch64: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg ppc64le: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg x86_64: make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg Hardware testing ---------------- We booted each kernel and ran the following tests: aarch64: ⚡ Internal infrastructure issues prevented one or more tests (marked with ⚡⚡⚡) from running on this architecture. This is not the fault of the kernel that was tested. ppc64le: Host 1: ✅ Boot test ✅ Podman system integration test (as root) ✅ Podman system integration test (as user) ✅ jvm test suite ✅ AMTU (Abstract Machine Test Utility) ✅ Networking socket: fuzz ✅ audit: audit testsuite test ✅ httpd: mod_ssl smoke sanity ✅ iotop: sanity ✅ tuned: tune-processes-through-perf ✅ Usex - version 1.9-29 🚧 ✅ LTP lite 🚧 ✅ ALSA PCM loopback test 🚧 ✅ ALSA Control (mixer) Userspace Element test 🚧 ✅ trace: ftrace/tracer Host 2: ✅ Boot test ✅ selinux-policy: serge-testsuite 🚧 ✅ Storage blktests x86_64: Host 1: ✅ Boot test ✅ Podman system integration test (as root) ✅ Podman system integration test (as user) ✅ jvm test suite ✅ AMTU (Abstract Machine Test Utility) ✅ Networking socket: fuzz ✅ audit: audit testsuite test ✅ httpd: mod_ssl smoke sanity ✅ iotop: sanity ✅ tuned: tune-processes-through-perf ✅ pciutils: sanity smoke test ✅ Usex - version 1.9-29 ✅ stress: stress-ng 🚧 ❌ LTP lite 🚧 ✅ ALSA PCM loopback test 🚧 ✅ ALSA Control (mixer) Userspace Element test 🚧 ✅ trace: ftrace/tracer Host 2: ✅ Boot test ✅ selinux-policy: serge-testsuite 🚧 ✅ Storage blktests Test sources: https://github.com/CKI-project/tests-beaker 💚 Pull requests are welcome for new tests or improvements to existing tests! Waived tests ------------ If the test run included waived tests, they are marked with 🚧. Such tests are executed but their results are not taken into account. Tests are waived when their results are not reliable enough, e.g. when they're just introduced or are being fixed.

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