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[Linux-stable-mirror] Patch "lib/genalloc.c: make the avail variable an atomic_long_t" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled lib/genalloc.c: make the avail variable an atomic_long_t to the 4.14-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: lib-genalloc.c-make-the-avail-variable-an-atomic_long_t.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Stephen Bates <sbates(a)raithlin.com> Date: Fri, 17 Nov 2017 15:28:16 -0800 Subject: lib/genalloc.c: make the avail variable an atomic_long_t From: Stephen Bates <sbates(a)raithlin.com> [ Upstream commit 36a3d1dd4e16bcd0d2ddfb4a2ec7092f0ae0d931 ] If the amount of resources allocated to a gen_pool exceeds 2^32 then the avail atomic overflows and this causes problems when clients try and borrow resources from the pool. This is only expected to be an issue on 64 bit systems. Add the <linux/atomic.h> header to pull in atomic_long* operations. So that 32 bit systems continue to use atomic32_t but 64 bit systems can use atomic64_t. Link: http://lkml.kernel.org/r/1509033843-25667-1-git-send-email-sbates@raithlin.… Signed-off-by: Stephen Bates <sbates(a)raithlin.com> Reviewed-by: Logan Gunthorpe <logang(a)deltatee.com> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Reviewed-by: Daniel Mentz <danielmentz(a)google.com> Cc: Jonathan Corbet <corbet(a)lwn.net> Cc: Andrew Morton <akpm(a)linux-foundation.org> Cc: Will Deacon <will.deacon(a)arm.com> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds(a)linux-foundation.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- include/linux/genalloc.h | 3 ++- lib/genalloc.c | 10 +++++----- 2 files changed, 7 insertions(+), 6 deletions(-) --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -32,6 +32,7 @@ #include <linux/types.h> #include <linux/spinlock_types.h> +#include <linux/atomic.h> struct device; struct device_node; @@ -71,7 +72,7 @@ struct gen_pool { */ struct gen_pool_chunk { struct list_head next_chunk; /* next chunk in pool */ - atomic_t avail; + atomic_long_t avail; phys_addr_t phys_addr; /* physical starting address of memory chunk */ unsigned long start_addr; /* start address of memory chunk */ unsigned long end_addr; /* end address of memory chunk (inclusive) */ --- a/lib/genalloc.c +++ b/lib/genalloc.c @@ -194,7 +194,7 @@ int gen_pool_add_virt(struct gen_pool *p chunk->phys_addr = phys; chunk->start_addr = virt; chunk->end_addr = virt + size - 1; - atomic_set(&chunk->avail, size); + atomic_long_set(&chunk->avail, size); spin_lock(&pool->lock); list_add_rcu(&chunk->next_chunk, &pool->chunks); @@ -304,7 +304,7 @@ unsigned long gen_pool_alloc_algo(struct nbits = (size + (1UL << order) - 1) >> order; rcu_read_lock(); list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) { - if (size > atomic_read(&chunk->avail)) + if (size > atomic_long_read(&chunk->avail)) continue; start_bit = 0; @@ -324,7 +324,7 @@ retry: addr = chunk->start_addr + ((unsigned long)start_bit << order); size = nbits << order; - atomic_sub(size, &chunk->avail); + atomic_long_sub(size, &chunk->avail); break; } rcu_read_unlock(); @@ -390,7 +390,7 @@ void gen_pool_free(struct gen_pool *pool remain = bitmap_clear_ll(chunk->bits, start_bit, nbits); BUG_ON(remain); size = nbits << order; - atomic_add(size, &chunk->avail); + atomic_long_add(size, &chunk->avail); rcu_read_unlock(); return; } @@ -464,7 +464,7 @@ size_t gen_pool_avail(struct gen_pool *p rcu_read_lock(); list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) - avail += atomic_read(&chunk->avail); + avail += atomic_long_read(&chunk->avail); rcu_read_unlock(); return avail; } Patches currently in stable-queue which might be from sbates(a)raithlin.com are queue-4.14/lib-genalloc.c-make-the-avail-variable-an-atomic_long_t.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl()" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl() to the 4.14-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: mac80211_hwsim-fix-memory-leak-in-hwsim_new_radio_nl.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Ben Hutchings <ben.hutchings(a)codethink.co.uk> Date: Fri, 10 Nov 2017 18:48:50 +0000 Subject: mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl() From: Ben Hutchings <ben.hutchings(a)codethink.co.uk> [ Upstream commit 67bd52386125ce1159c0581cbcd2740addf33cd4 ] hwsim_new_radio_nl() now copies the name attribute in order to add a null-terminator. mac80211_hwsim_new_radio() (indirectly) copies it again into the net_device structure, so the first copy is not used or freed later. Free the first copy before returning. Fixes: ff4dd73dd2b4 ("mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length") Signed-off-by: Ben Hutchings <ben.hutchings(a)codethink.co.uk> Signed-off-by: Johannes Berg <johannes.berg(a)intel.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/net/wireless/mac80211_hwsim.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3108,6 +3108,7 @@ static int hwsim_new_radio_nl(struct sk_ { struct hwsim_new_radio_params param = { 0 }; const char *hwname = NULL; + int ret; param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG]; param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE]; @@ -3147,7 +3148,9 @@ static int hwsim_new_radio_nl(struct sk_ param.regd = hwsim_world_regdom_custom[idx]; } - return mac80211_hwsim_new_radio(info, &param); + ret = mac80211_hwsim_new_radio(info, &param); + kfree(hwname); + return ret; } static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info) Patches currently in stable-queue which might be from ben.hutchings(a)codethink.co.uk are queue-4.14/mac80211_hwsim-fix-memory-leak-in-hwsim_new_radio_nl.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "kbuild: rpm-pkg: fix jobserver unavailable warning" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled kbuild: rpm-pkg: fix jobserver unavailable warning to the 4.14-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: kbuild-rpm-pkg-fix-jobserver-unavailable-warning.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Masahiro Yamada <yamada.masahiro(a)socionext.com> Date: Sat, 30 Sep 2017 10:10:09 +0900 Subject: kbuild: rpm-pkg: fix jobserver unavailable warning From: Masahiro Yamada <yamada.masahiro(a)socionext.com> [ Upstream commit 606625be47bc87b6fab0af10cd57aaa675cb9e42 ] If "make rpm-pkg" or "make binrpm-pkg" is run with -j[jobs] option, the following warning message is displayed. warning: jobserver unavailable: using -j1. Add '+' to parent make rule. Follow the suggestion. Signed-off-by: Masahiro Yamada <yamada.masahiro(a)socionext.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- scripts/package/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -49,7 +49,7 @@ rpm-pkg rpm: FORCE $(MAKE) clean $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec $(call cmd,src_tar,$(KERNELPATH),kernel.spec) - rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz + +rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz rm $(KERNELPATH).tar.gz kernel.spec # binrpm-pkg @@ -57,7 +57,7 @@ rpm-pkg rpm: FORCE binrpm-pkg: FORCE $(MAKE) KBUILD_SRC= $(CONFIG_SHELL) $(MKSPEC) prebuilt > $(objtree)/binkernel.spec - rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \ + +rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \ $(UTS_MACHINE) -bb $(objtree)/binkernel.spec rm binkernel.spec Patches currently in stable-queue which might be from yamada.masahiro(a)socionext.com are queue-4.14/kbuild-rpm-pkg-fix-jobserver-unavailable-warning.patch queue-4.14/firmware-cleanup-firmware_in_kernel-message.patch queue-4.14/clk-uniphier-fix-dapll2-clock-rate-of-pro5.patch queue-4.14/kbuild-do-not-call-cc-option-before-kbuild_cflags-initialization.patch queue-4.14/coccinelle-fix-parallel-build-with-check-scripts-coccicheck.patch queue-4.14/kbuild-pkg-use-transform-option-to-prefix-paths-in-tar.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "kbuild: pkg: use --transform option to prefix paths in tar" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled kbuild: pkg: use --transform option to prefix paths in tar to the 4.14-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: kbuild-pkg-use-transform-option-to-prefix-paths-in-tar.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Masahiro Yamada <yamada.masahiro(a)socionext.com> Date: Wed, 15 Nov 2017 18:17:07 +0900 Subject: kbuild: pkg: use --transform option to prefix paths in tar From: Masahiro Yamada <yamada.masahiro(a)socionext.com> [ Upstream commit 2dbc644ac62bbcb9ee78e84719953f611be0413d ] For rpm-pkg and deb-pkg, a source tar file is created. All paths in the archive must be prefixed with the base name of the tar so that everything is contained in the directory when you extract it. Currently, scripts/package/Makefile uses a symlink for that, and removes it after the tar is created. If you terminate the build during the tar creation, the symlink is left over. Then, at the next package build, you will see a warning like follows: ln: '.' and 'kernel-4.14.0+/.' are the same file It is possible to fix it by adding -n (--no-dereference) option to the "ln" command, but a cleaner way is to use --transform option of "tar" command. This option is GNU extension, but it should not hurt to use it in the Linux build system. The 'S' flag is needed to exclude symlinks from the path fixup. Without it, symlinks in the kernel are broken. Signed-off-by: Masahiro Yamada <yamada.masahiro(a)socionext.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- scripts/package/Makefile | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -39,10 +39,9 @@ if test "$(objtree)" != "$(srctree)"; th false; \ fi ; \ $(srctree)/scripts/setlocalversion --save-scmversion; \ -ln -sf $(srctree) $(2); \ tar -cz $(RCS_TAR_IGNORE) -f $(2).tar.gz \ - $(addprefix $(2)/,$(TAR_CONTENT) $(3)); \ -rm -f $(2) $(objtree)/.scmversion + --transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3); \ +rm -f $(objtree)/.scmversion # rpm-pkg # --------------------------------------------------------------------------- Patches currently in stable-queue which might be from yamada.masahiro(a)socionext.com are queue-4.14/kbuild-rpm-pkg-fix-jobserver-unavailable-warning.patch queue-4.14/firmware-cleanup-firmware_in_kernel-message.patch queue-4.14/clk-uniphier-fix-dapll2-clock-rate-of-pro5.patch queue-4.14/kbuild-do-not-call-cc-option-before-kbuild_cflags-initialization.patch queue-4.14/coccinelle-fix-parallel-build-with-check-scripts-coccicheck.patch queue-4.14/kbuild-pkg-use-transform-option-to-prefix-paths-in-tar.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "kbuild: do not call cc-option before KBUILD_CFLAGS initialization" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled kbuild: do not call cc-option before KBUILD_CFLAGS initialization to the 4.14-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: kbuild-do-not-call-cc-option-before-kbuild_cflags-initialization.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Masahiro Yamada <yamada.masahiro(a)socionext.com> Date: Thu, 12 Oct 2017 18:22:25 +0900 Subject: kbuild: do not call cc-option before KBUILD_CFLAGS initialization From: Masahiro Yamada <yamada.masahiro(a)socionext.com> [ Upstream commit 433dc2ebe7d17dd21cba7ad5c362d37323592236 ] Some $(call cc-option,...) are invoked very early, even before KBUILD_CFLAGS, etc. are initialized. The returned string from $(call cc-option,...) depends on KBUILD_CPPFLAGS, KBUILD_CFLAGS, and GCC_PLUGINS_CFLAGS. Since they are exported, they are not empty when the top Makefile is recursively invoked. The recursion occurs in several places. For example, the top Makefile invokes itself for silentoldconfig. "make tinyconfig", "make rpm-pkg" are the cases, too. In those cases, the second call of cc-option from the same line runs a different shell command due to non-pristine KBUILD_CFLAGS. To get the same result all the time, KBUILD_* and GCC_PLUGINS_CFLAGS must be initialized before any call of cc-option. This avoids garbage data in the .cache.mk file. Move all calls of cc-option below the config targets because target compiler flags are unnecessary for Kconfig. Signed-off-by: Masahiro Yamada <yamada.masahiro(a)socionext.com> Reviewed-by: Douglas Anderson <dianders(a)chromium.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- Makefile | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) --- a/Makefile +++ b/Makefile @@ -373,9 +373,6 @@ LDFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = LDFLAGS_vmlinux = -CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,) -CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,) - # Use USERINCLUDE when you must reference the UAPI directories only. USERINCLUDE := \ @@ -394,21 +391,19 @@ LINUXINCLUDE := \ -I$(objtree)/include \ $(USERINCLUDE) -KBUILD_CPPFLAGS := -D__KERNEL__ - +KBUILD_AFLAGS := -D__ASSEMBLY__ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common -fshort-wchar \ -Werror-implicit-function-declaration \ -Wno-format-security \ - -std=gnu89 $(call cc-option,-fno-PIE) - - + -std=gnu89 +KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := -KBUILD_AFLAGS := -D__ASSEMBLY__ $(call cc-option,-fno-PIE) KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds +GCC_PLUGINS_CFLAGS := # Read KERNELRELEASE from include/config/kernel.release (if it exists) KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) @@ -421,7 +416,7 @@ export MAKE AWK GENKSYMS INSTALLKERNEL P export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS -export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV CFLAGS_KCOV CFLAGS_KASAN CFLAGS_UBSAN +export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_KASAN CFLAGS_UBSAN export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL @@ -622,6 +617,12 @@ endif # Defaults to vmlinux, but the arch makefile usually adds further targets all: vmlinux +KBUILD_CFLAGS += $(call cc-option,-fno-PIE) +KBUILD_AFLAGS += $(call cc-option,-fno-PIE) +CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,) +CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,) +export CFLAGS_GCOV CFLAGS_KCOV + # The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default # values of the respective KBUILD_* variables ARCH_CPPFLAGS := Patches currently in stable-queue which might be from yamada.masahiro(a)socionext.com are queue-4.14/kbuild-rpm-pkg-fix-jobserver-unavailable-warning.patch queue-4.14/firmware-cleanup-firmware_in_kernel-message.patch queue-4.14/clk-uniphier-fix-dapll2-clock-rate-of-pro5.patch queue-4.14/kbuild-do-not-call-cc-option-before-kbuild_cflags-initialization.patch queue-4.14/coccinelle-fix-parallel-build-with-check-scripts-coccicheck.patch queue-4.14/kbuild-pkg-use-transform-option-to-prefix-paths-in-tar.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "irqchip/qcom: Fix u32 comparison with value less than zero" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled irqchip/qcom: Fix u32 comparison with value less than zero to the 4.14-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: irqchip-qcom-fix-u32-comparison-with-value-less-than-zero.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Colin Ian King <colin.king(a)canonical.com> Date: Fri, 17 Nov 2017 18:35:53 +0000 Subject: irqchip/qcom: Fix u32 comparison with value less than zero From: Colin Ian King <colin.king(a)canonical.com> [ Upstream commit e9990d70e8a063a7b894c5cbb99f630a0f41200d ] The comparison of u32 nregs being less than zero is never true since nregs is unsigned. Fix this by making nregs a signed integer. Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver") Signed-off-by: Colin Ian King <colin.king(a)canonical.com> Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Cc: Marc Zyngier <marc.zyngier(a)arm.com> Cc: kernel-janitors(a)vger.kernel.org Cc: Jason Cooper <jason(a)lakedaemon.net> Link: https://lkml.kernel.org/r/20171117183553.2739-1-colin.king@canonical.com Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/irqchip/qcom-irq-combiner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/irqchip/qcom-irq-combiner.c +++ b/drivers/irqchip/qcom-irq-combiner.c @@ -238,7 +238,7 @@ static int __init combiner_probe(struct { struct combiner *combiner; size_t alloc_sz; - u32 nregs; + int nregs; int err; nregs = count_registers(pdev); Patches currently in stable-queue which might be from colin.king(a)canonical.com are queue-4.14/rsi-fix-memory-leak-on-buf-and-usb_reg_buf.patch queue-4.14/irqchip-qcom-fix-u32-comparison-with-value-less-than-zero.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "jump_label: Invoke jump_label_test() via early_initcall()" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled jump_label: Invoke jump_label_test() via early_initcall() to the 4.14-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: jump_label-invoke-jump_label_test-via-early_initcall.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Jason Baron <jbaron(a)akamai.com> Date: Mon, 13 Nov 2017 16:48:47 -0500 Subject: jump_label: Invoke jump_label_test() via early_initcall() From: Jason Baron <jbaron(a)akamai.com> [ Upstream commit 92ee46efeb505ead3ab06d3c5ce695637ed5f152 ] Fengguang Wu reported that running the rcuperf test during boot can cause the jump_label_test() to hit a WARN_ON(). The issue is that the core jump label code relies on kernel_text_address() to detect when it can no longer update branches that may be contained in __init sections. The kernel_text_address() in turn assumes that if the system_state variable is greter than or equal to SYSTEM_RUNNING then __init sections are no longer valid (since the assumption is that they have been freed). However, when rcuperf is setup to run in early boot it can call kernel_power_off() which sets the system_state to SYSTEM_POWER_OFF. Since rcuperf initialization is invoked via a module_init(), we can make the dependency of jump_label_test() needing to complete before rcuperf explicit by calling it via early_initcall(). Reported-by: Fengguang Wu <fengguang.wu(a)intel.com> Signed-off-by: Jason Baron <jbaron(a)akamai.com> Acked-by: Paul E. McKenney <paulmck(a)linux.vnet.ibm.com> Cc: Linus Torvalds <torvalds(a)linux-foundation.org> Cc: Peter Zijlstra <peterz(a)infradead.org> Cc: Steven Rostedt <rostedt(a)goodmis.org> Cc: Thomas Gleixner <tglx(a)linutronix.de> Link: http://lkml.kernel.org/r/1510609727-2238-1-git-send-email-jbaron@akamai.com Signed-off-by: Ingo Molnar <mingo(a)kernel.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- kernel/jump_label.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -769,7 +769,7 @@ static __init int jump_label_test(void) return 0; } -late_initcall(jump_label_test); +early_initcall(jump_label_test); #endif /* STATIC_KEYS_SELFTEST */ #endif /* HAVE_JUMP_LABEL */ Patches currently in stable-queue which might be from jbaron(a)akamai.com are queue-4.14/jump_label-invoke-jump_label_test-via-early_initcall.patch queue-4.14/dynamic-debug-howto-fix-optional-omitted-ending-line-number-to-be-large-instead-of-0.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "ipvlan: fix ipv6 outbound device" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ipvlan: fix ipv6 outbound device to the 4.14-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: ipvlan-fix-ipv6-outbound-device.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Keefe Liu <liuqifa(a)huawei.com> Date: Thu, 9 Nov 2017 20:09:31 +0800 Subject: ipvlan: fix ipv6 outbound device From: Keefe Liu <liuqifa(a)huawei.com> [ Upstream commit ca29fd7cce5a6444d57fb86517589a1a31c759e1 ] When process the outbound packet of ipv6, we should assign the master device to output device other than input device. Signed-off-by: Keefe Liu <liuqifa(a)huawei.com> Acked-by: Mahesh Bandewar <maheshb(a)google.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/ipvlan/ipvlan_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -409,7 +409,7 @@ static int ipvlan_process_v6_outbound(st struct dst_entry *dst; int err, ret = NET_XMIT_DROP; struct flowi6 fl6 = { - .flowi6_iif = dev->ifindex, + .flowi6_oif = dev->ifindex, .daddr = ip6h->daddr, .saddr = ip6h->saddr, .flowi6_flags = FLOWI_FLAG_ANYSRC, Patches currently in stable-queue which might be from liuqifa(a)huawei.com are queue-4.14/ipvlan-fix-ipv6-outbound-device.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "ide: ide-atapi: fix compile error with defining macro DEBUG" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ide: ide-atapi: fix compile error with defining macro DEBUG to the 4.14-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: ide-ide-atapi-fix-compile-error-with-defining-macro-debug.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Hongxu Jia <hongxu.jia(a)windriver.com> Date: Fri, 10 Nov 2017 15:59:17 +0800 Subject: ide: ide-atapi: fix compile error with defining macro DEBUG From: Hongxu Jia <hongxu.jia(a)windriver.com> [ Upstream commit 8dc7a31fbce5e2dbbacd83d910da37105181b054 ] Compile ide-atapi failed with defining macro "DEBUG" ... |drivers/ide/ide-atapi.c:285:52: error: 'struct request' has no member named 'cmd'; did you mean 'csd'? | debug_log("%s: rq->cmd[0]: 0x%x\n", __func__, rq->cmd[0]); ... Since we split the scsi_request out of struct request, it missed do the same thing on debug_log Fixes: 82ed4db499b8 ("block: split scsi_request out of struct request") Signed-off-by: Hongxu Jia <hongxu.jia(a)windriver.com> Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/ide/ide-atapi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -282,7 +282,7 @@ int ide_cd_expiry(ide_drive_t *drive) struct request *rq = drive->hwif->rq; unsigned long wait = 0; - debug_log("%s: rq->cmd[0]: 0x%x\n", __func__, rq->cmd[0]); + debug_log("%s: scsi_req(rq)->cmd[0]: 0x%x\n", __func__, scsi_req(rq)->cmd[0]); /* * Some commands are *slow* and normally take a long time to complete. @@ -463,7 +463,7 @@ static ide_startstop_t ide_pc_intr(ide_d return ide_do_reset(drive); } - debug_log("[cmd %x]: check condition\n", rq->cmd[0]); + debug_log("[cmd %x]: check condition\n", scsi_req(rq)->cmd[0]); /* Retry operation */ ide_retry_pc(drive); @@ -531,7 +531,7 @@ static ide_startstop_t ide_pc_intr(ide_d ide_pad_transfer(drive, write, bcount); debug_log("[cmd %x] transferred %d bytes, padded %d bytes, resid: %u\n", - rq->cmd[0], done, bcount, scsi_req(rq)->resid_len); + scsi_req(rq)->cmd[0], done, bcount, scsi_req(rq)->resid_len); /* And set the interrupt handler again */ ide_set_handler(drive, ide_pc_intr, timeout); Patches currently in stable-queue which might be from hongxu.jia(a)windriver.com are queue-4.14/ide-ide-atapi-fix-compile-error-with-defining-macro-debug.patch

7 years, 7 months

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[Linux-stable-mirror] Patch "IB/mlx4: Increase maximal message size under UD QP" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled IB/mlx4: Increase maximal message size under UD QP to the 4.14-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: ib-mlx4-increase-maximal-message-size-under-ud-qp.patch and it can be found in the queue-4.14 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 Tue Dec 12 10:32:42 CET 2017 From: Mark Bloch <markb(a)mellanox.com> Date: Thu, 2 Nov 2017 15:22:26 +0200 Subject: IB/mlx4: Increase maximal message size under UD QP From: Mark Bloch <markb(a)mellanox.com> [ Upstream commit 5f22a1d87c5315a98981ecf93cd8de226cffe6ca ] Maximal message should be used as a limit to the max message payload allowed, without the headers. The ConnectX-3 check is done against this value includes the headers. When the payload is 4K this will cause the NIC to drop packets. Increase maximal message to 8K as workaround, this shouldn't change current behaviour because we continue to set the MTU to 4k. To reproduce; set MTU to 4296 on the corresponding interface, for example: ifconfig eth0 mtu 4296 (both server and client) On server: ib_send_bw -c UD -d mlx4_0 -s 4096 -n 1000000 -i1 -m 4096 On client: ib_send_bw -d mlx4_0 -c UD <server_ip> -s 4096 -n 1000000 -i 1 -m 4096 Fixes: 6e0d733d9215 ("IB/mlx4: Allow 4K messages for UD QPs") Signed-off-by: Mark Bloch <markb(a)mellanox.com> Reviewed-by: Majd Dibbiny <majd(a)mellanox.com> Signed-off-by: Leon Romanovsky <leon(a)kernel.org> Signed-off-by: Doug Ledford <dledford(a)redhat.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/infiniband/hw/mlx4/qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -2216,7 +2216,7 @@ static int __mlx4_ib_modify_qp(void *src context->mtu_msgmax = (IB_MTU_4096 << 5) | ilog2(dev->dev->caps.max_gso_sz); else - context->mtu_msgmax = (IB_MTU_4096 << 5) | 12; + context->mtu_msgmax = (IB_MTU_4096 << 5) | 13; } else if (attr_mask & IB_QP_PATH_MTU) { if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) { pr_err("path MTU (%u) is invalid\n", Patches currently in stable-queue which might be from markb(a)mellanox.com are queue-4.14/ib-mlx4-increase-maximal-message-size-under-ud-qp.patch

7 years, 7 months

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