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[Linux-stable-mirror] Patch "scsi: lpfc: Add missing memory barrier" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: lpfc: Add missing memory barrier to the 3.18-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: scsi-lpfc-add-missing-memory-barrier.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: James Smart <james.smart(a)broadcom.com> Date: Mon, 19 Dec 2016 15:07:30 -0800 Subject: scsi: lpfc: Add missing memory barrier From: James Smart <james.smart(a)broadcom.com> [ Upstream commit 6b3b3bdb83b4ad51252d21bb13596db879e51850 ] On loosely ordered memory systems (PPC for example), the WQE elements were being updated in memory, but not necessarily flushed before the separate doorbell was written to hw which would cause hw to dma the WQE element. Thus, the hardware occasionally received partially updated WQE data. Add the memory barrier after updating the WQE memory. Signed-off-by: Dick Kennedy <dick.kennedy(a)broadcom.com> Signed-off-by: James Smart <james.smart(a)broadcom.com> Reviewed-by: Hannes Reinecke <hare(a)suse.com> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/lpfc/lpfc_sli.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -118,6 +118,8 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, u if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size); + /* ensure WQE bcopy flushed before doorbell write */ + wmb(); /* Update the host index before invoking device */ host_index = q->host_index; Patches currently in stable-queue which might be from james.smart(a)broadcom.com are queue-3.18/scsi-lpfc-correct-host-name-in-symbolic_name-field.patch queue-3.18/scsi-lpfc-fcoe-vport-enable-disable-does-not-bring-up-the-vport.patch queue-3.18/scsi-lpfc-correct-issue-leading-to-oops-during-link-reset.patch queue-3.18/scsi-lpfc-add-missing-memory-barrier.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "Revert "uapi: fix linux/rds.h userspace compilation errors"" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled Revert "uapi: fix linux/rds.h userspace compilation errors" to the 3.18-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: revert-uapi-fix-linux-rds.h-userspace-compilation-errors.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Sasha Levin <alexander.levin(a)verizon.com> Date: Mon, 13 Nov 2017 18:03:32 -0500 Subject: Revert "uapi: fix linux/rds.h userspace compilation errors" From: Sasha Levin <alexander.levin(a)verizon.com> This reverts commit ad50561ba7a664bc581826c9d57d137fcf17bfa5. There was a mixup with the commit message for two upstream commit that have the same subject line. This revert will be followed by the two commits with proper commit messages. Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- include/uapi/linux/rds.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/include/uapi/linux/rds.h +++ b/include/uapi/linux/rds.h @@ -35,7 +35,6 @@ #define _LINUX_RDS_H #include <linux/types.h> -#include <linux/socket.h> /* For __kernel_sockaddr_storage. */ #define RDS_IB_ABI_VERSION 0x301 @@ -214,7 +213,7 @@ struct rds_get_mr_args { }; struct rds_get_mr_for_dest_args { - struct __kernel_sockaddr_storage dest_addr; + struct sockaddr_storage dest_addr; struct rds_iovec vec; uint64_t cookie_addr; uint64_t flags; Patches currently in stable-queue which might be from alexander.levin(a)verizon.com are queue-3.18/ata-sata_mv-should-depend-on-has_dma.patch queue-3.18/ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch queue-3.18/scsi-lpfc-correct-host-name-in-symbolic_name-field.patch queue-3.18/alsa-vx-don-t-try-to-update-capture-stream-before-running.patch queue-3.18/gpu-drm-mgag200-mgag200_main-handle-error-from-pci_iomap.patch queue-3.18/staging-rtl8188eu-fix-incorrect-error-tags-from-logs.patch queue-3.18/uapi-fix-linux-rds.h-userspace-compilation-error.patch queue-3.18/ata-sata_highbank-should-depend-on-has_dma.patch queue-3.18/extcon-palmas-check-the-parent-instance-to-prevent-the-null.patch queue-3.18/scsi-lpfc-fcoe-vport-enable-disable-does-not-bring-up-the-vport.patch queue-3.18/mips-netlogic-exclude-netlogic-xlp-pic-code-from-xlr-builds.patch queue-3.18/drm-sti-sti_vtg-handle-return-null-error-from-devm_ioremap_nocache.patch queue-3.18/scsi-lpfc-correct-issue-leading-to-oops-during-link-reset.patch queue-3.18/igb-fix-hw_dbg-logging-in-igb_update_flash_i210.patch queue-3.18/arm-dts-fix-omap3-off-mode-pull-defines.patch queue-3.18/uapi-fix-linux-rds.h-userspace-compilation-errors.patch queue-3.18/scsi-lpfc-add-missing-memory-barrier.patch queue-3.18/alsa-vx-fix-possible-transfer-overflow.patch queue-3.18/backlight-lcd-fix-race-condition-during-register.patch queue-3.18/revert-crypto-xts-add-ecb-dependency.patch queue-3.18/backlight-adp5520-fix-error-handling-in-adp5520_bl_probe.patch queue-3.18/ixgbe-fix-aer-error-handling.patch queue-3.18/revert-uapi-fix-linux-rds.h-userspace-compilation-errors.patch queue-3.18/mips-end-asm-function-prologue-macros-with-.insn.patch queue-3.18/ata-ata_bmdma-should-depend-on-has_dma.patch queue-3.18/igb-close-suspend-race-in-netif_device_detach.patch queue-3.18/igb-reset-the-phy-before-reading-the-phy-id.patch queue-3.18/mips-init-ensure-reserved-memory-regions-are-not-added-to-bootmem.patch queue-3.18/arm-omap2-fix-init-for-multiple-quirks-for-the-same-soc.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "Revert "crypto: xts - Add ECB dependency"" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled Revert "crypto: xts - Add ECB dependency" to the 3.18-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: revert-crypto-xts-add-ecb-dependency.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Sasha Levin <alexander.levin(a)verizon.com> Date: Mon, 13 Nov 2017 17:55:20 -0500 Subject: Revert "crypto: xts - Add ECB dependency" From: Sasha Levin <alexander.levin(a)verizon.com> This reverts commit 6145171a6bc0abdc3eca7a4b795ede467d2ba569. The commit fixes a bug that was only introduced in 4.10, thus is irrelevant for <=4.9. Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- crypto/Kconfig | 1 - 1 file changed, 1 deletion(-) --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -290,7 +290,6 @@ config CRYPTO_XTS select CRYPTO_BLKCIPHER select CRYPTO_MANAGER select CRYPTO_GF128MUL - select CRYPTO_ECB help XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, key size 256, 384 or 512 bits. This implementation currently Patches currently in stable-queue which might be from alexander.levin(a)verizon.com are queue-3.18/ata-sata_mv-should-depend-on-has_dma.patch queue-3.18/ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch queue-3.18/scsi-lpfc-correct-host-name-in-symbolic_name-field.patch queue-3.18/alsa-vx-don-t-try-to-update-capture-stream-before-running.patch queue-3.18/gpu-drm-mgag200-mgag200_main-handle-error-from-pci_iomap.patch queue-3.18/staging-rtl8188eu-fix-incorrect-error-tags-from-logs.patch queue-3.18/uapi-fix-linux-rds.h-userspace-compilation-error.patch queue-3.18/ata-sata_highbank-should-depend-on-has_dma.patch queue-3.18/extcon-palmas-check-the-parent-instance-to-prevent-the-null.patch queue-3.18/scsi-lpfc-fcoe-vport-enable-disable-does-not-bring-up-the-vport.patch queue-3.18/mips-netlogic-exclude-netlogic-xlp-pic-code-from-xlr-builds.patch queue-3.18/drm-sti-sti_vtg-handle-return-null-error-from-devm_ioremap_nocache.patch queue-3.18/scsi-lpfc-correct-issue-leading-to-oops-during-link-reset.patch queue-3.18/igb-fix-hw_dbg-logging-in-igb_update_flash_i210.patch queue-3.18/arm-dts-fix-omap3-off-mode-pull-defines.patch queue-3.18/uapi-fix-linux-rds.h-userspace-compilation-errors.patch queue-3.18/scsi-lpfc-add-missing-memory-barrier.patch queue-3.18/alsa-vx-fix-possible-transfer-overflow.patch queue-3.18/backlight-lcd-fix-race-condition-during-register.patch queue-3.18/revert-crypto-xts-add-ecb-dependency.patch queue-3.18/backlight-adp5520-fix-error-handling-in-adp5520_bl_probe.patch queue-3.18/ixgbe-fix-aer-error-handling.patch queue-3.18/revert-uapi-fix-linux-rds.h-userspace-compilation-errors.patch queue-3.18/mips-end-asm-function-prologue-macros-with-.insn.patch queue-3.18/ata-ata_bmdma-should-depend-on-has_dma.patch queue-3.18/igb-close-suspend-race-in-netif_device_detach.patch queue-3.18/igb-reset-the-phy-before-reading-the-phy-id.patch queue-3.18/mips-init-ensure-reserved-memory-regions-are-not-added-to-bootmem.patch queue-3.18/arm-omap2-fix-init-for-multiple-quirks-for-the-same-soc.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "MIPS: Netlogic: Exclude netlogic, xlp-pic code from XLR builds" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled MIPS: Netlogic: Exclude netlogic,xlp-pic code from XLR builds to the 3.18-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: mips-netlogic-exclude-netlogic-xlp-pic-code-from-xlr-builds.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Paul Burton <paul.burton(a)imgtec.com> Date: Mon, 7 Nov 2016 11:30:41 +0000 Subject: MIPS: Netlogic: Exclude netlogic,xlp-pic code from XLR builds From: Paul Burton <paul.burton(a)imgtec.com> [ Upstream commit 9799270affc53414da96e77e454a5616b39cdab0 ] Code in arch/mips/netlogic/common/irq.c which handles the XLP PIC fails to build in XLR configurations due to cpu_is_xlp9xx not being defined, leading to the following build failure: arch/mips/netlogic/common/irq.c: In function ‘xlp_of_pic_init’: arch/mips/netlogic/common/irq.c:298:2: error: implicit declaration of function ‘cpu_is_xlp9xx’ [-Werror=implicit-function-declaration] if (cpu_is_xlp9xx()) { ^ Although the code was conditional upon CONFIG_OF which is indirectly selected by CONFIG_NLM_XLP_BOARD but not CONFIG_NLM_XLR_BOARD, the failing XLR with CONFIG_OF configuration can be configured manually or by randconfig. Fix the build failure by making the affected XLP PIC code conditional upon CONFIG_CPU_XLP which is used to guard the inclusion of asm/netlogic/xlp-hal/xlp.h that provides the required cpu_is_xlp9xx function. [ralf(a)linux-mips.org: Fixed up as per Jayachandran's suggestion.] Signed-off-by: Paul Burton <paul.burton(a)imgtec.com> Cc: Jayachandran C <jchandra(a)broadcom.com> Cc: linux-mips(a)linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14524/ Signed-off-by: Ralf Baechle <ralf(a)linux-mips.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/mips/netlogic/common/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/mips/netlogic/common/irq.c +++ b/arch/mips/netlogic/common/irq.c @@ -275,7 +275,7 @@ asmlinkage void plat_irq_dispatch(void) do_IRQ(nlm_irq_to_xirq(node, i)); } -#ifdef CONFIG_OF +#ifdef CONFIG_CPU_XLP static const struct irq_domain_ops xlp_pic_irq_domain_ops = { .xlate = irq_domain_xlate_onetwocell, }; @@ -348,7 +348,7 @@ void __init arch_init_irq(void) #if defined(CONFIG_CPU_XLR) nlm_setup_fmn_irq(); #endif -#if defined(CONFIG_OF) +#ifdef CONFIG_CPU_XLP of_irq_init(xlp_pic_irq_ids); #endif } Patches currently in stable-queue which might be from paul.burton(a)imgtec.com are queue-3.18/mips-netlogic-exclude-netlogic-xlp-pic-code-from-xlr-builds.patch queue-3.18/mips-end-asm-function-prologue-macros-with-.insn.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "MIPS: init: Ensure reserved memory regions are not added to bootmem" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled MIPS: init: Ensure reserved memory regions are not added to bootmem to the 3.18-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: mips-init-ensure-reserved-memory-regions-are-not-added-to-bootmem.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Marcin Nowakowski <marcin.nowakowski(a)imgtec.com> Date: Wed, 23 Nov 2016 14:43:44 +0100 Subject: MIPS: init: Ensure reserved memory regions are not added to bootmem From: Marcin Nowakowski <marcin.nowakowski(a)imgtec.com> [ Upstream commit e89ef66d7682f031f026eee6bba03c8c2248d2a9 ] Memories managed through boot_mem_map are generally expected to define non-crossing areas. However, if part of a larger memory block is marked as reserved, it would still be added to bootmem allocator as an available block and could end up being overwritten by the allocator. Prevent this by explicitly marking the memory as reserved it if exists in the range used by bootmem allocator. Signed-off-by: Marcin Nowakowski <marcin.nowakowski(a)imgtec.com> Cc: linux-mips(a)linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14608/ Signed-off-by: Ralf Baechle <ralf(a)linux-mips.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/mips/kernel/setup.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -427,6 +427,10 @@ static void __init bootmem_init(void) continue; default: /* Not usable memory */ + if (start > min_low_pfn && end < max_low_pfn) + reserve_bootmem(boot_mem_map.map[i].addr, + boot_mem_map.map[i].size, + BOOTMEM_DEFAULT); continue; } Patches currently in stable-queue which might be from marcin.nowakowski(a)imgtec.com are queue-3.18/mips-init-ensure-reserved-memory-regions-are-not-added-to-bootmem.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "MIPS: End asm function prologue macros with .insn" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled MIPS: End asm function prologue macros with .insn to the 3.18-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: mips-end-asm-function-prologue-macros-with-.insn.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Paul Burton <paul.burton(a)imgtec.com> Date: Mon, 7 Nov 2016 11:14:09 +0000 Subject: MIPS: End asm function prologue macros with .insn From: Paul Burton <paul.burton(a)imgtec.com> [ Upstream commit 08889582b8aa0bbc01a1e5a0033b9f98d2e11caa ] When building a kernel targeting a microMIPS ISA, recent GNU linkers will fail the link if they cannot determine that the target of a branch or jump is microMIPS code, with errors such as the following: mips-img-linux-gnu-ld: arch/mips/built-in.o: .text+0x542c: Unsupported jump between ISA modes; consider recompiling with interlinking enabled. mips-img-linux-gnu-ld: final link failed: Bad value or: ./arch/mips/include/asm/uaccess.h:1017: warning: JALX to a non-word-aligned address Placing anything other than an instruction at the start of a function written in assembly appears to trigger such errors. In order to prepare for allowing us to follow function prologue macros with an EXPORT_SYMBOL invocation, end the prologue macros (LEAD, NESTED & FEXPORT) with a .insn directive. This ensures that the start of the function is marked as code, which always makes sense for functions & safely prevents us from hitting the link errors described above. Signed-off-by: Paul Burton <paul.burton(a)imgtec.com> Reviewed-by: Maciej W. Rozycki <macro(a)imgtec.com> Cc: linux-mips(a)linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14508/ Signed-off-by: Ralf Baechle <ralf(a)linux-mips.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- arch/mips/include/asm/asm.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) --- a/arch/mips/include/asm/asm.h +++ b/arch/mips/include/asm/asm.h @@ -54,7 +54,8 @@ .align 2; \ .type symbol, @function; \ .ent symbol, 0; \ -symbol: .frame sp, 0, ra +symbol: .frame sp, 0, ra; \ + .insn /* * NESTED - declare nested routine entry point @@ -63,8 +64,9 @@ symbol: .frame sp, 0, ra .globl symbol; \ .align 2; \ .type symbol, @function; \ - .ent symbol, 0; \ -symbol: .frame sp, framesize, rpc + .ent symbol, 0; \ +symbol: .frame sp, framesize, rpc; \ + .insn /* * END - mark end of function @@ -86,7 +88,7 @@ symbol: #define FEXPORT(symbol) \ .globl symbol; \ .type symbol, @function; \ -symbol: +symbol: .insn /* * ABS - export absolute symbol Patches currently in stable-queue which might be from paul.burton(a)imgtec.com are queue-3.18/mips-netlogic-exclude-netlogic-xlp-pic-code-from-xlr-builds.patch queue-3.18/mips-end-asm-function-prologue-macros-with-.insn.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "ixgbe: handle close/suspend race with netif_device_detach/present" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ixgbe: handle close/suspend race with netif_device_detach/present to the 3.18-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: ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Emil Tantilov <emil.s.tantilov(a)intel.com> Date: Fri, 11 Nov 2016 10:07:47 -0800 Subject: ixgbe: handle close/suspend race with netif_device_detach/present From: Emil Tantilov <emil.s.tantilov(a)intel.com> [ Upstream commit f7f37e7ff2b9b7eff7fbd035569cab35896869a3 ] When an interface is part of a namespace it is possible that ixgbe_close() may be called while __ixgbe_shutdown() is running which ends up in a double free WARN and/or a BUG in free_msi_irqs(). To handle this situation we extend the rtnl_lock() to protect the call to netif_device_detach() and ixgbe_clear_interrupt_scheme() in __ixgbe_shutdown() and check for netif_device_present() to avoid clearing the interrupts second time in ixgbe_close(); Also extend the rtnl lock in ixgbe_resume() to netif_device_attach(). Signed-off-by: Emil Tantilov <emil.s.tantilov(a)intel.com> Tested-by: Andrew Bowers <andrewx.bowers(a)intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher(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/ethernet/intel/ixgbe/ixgbe_main.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5560,7 +5560,8 @@ static int ixgbe_close(struct net_device ixgbe_ptp_stop(adapter); - ixgbe_close_suspend(adapter); + if (netif_device_present(netdev)) + ixgbe_close_suspend(adapter); ixgbe_fdir_filter_exit(adapter); @@ -5605,14 +5606,12 @@ static int ixgbe_resume(struct pci_dev * if (!err && netif_running(netdev)) err = ixgbe_open(netdev); - rtnl_unlock(); - if (err) - return err; - - netif_device_attach(netdev); + if (!err) + netif_device_attach(netdev); + rtnl_unlock(); - return 0; + return err; } #endif /* CONFIG_PM */ @@ -5627,14 +5626,14 @@ static int __ixgbe_shutdown(struct pci_d int retval = 0; #endif + rtnl_lock(); netif_device_detach(netdev); - rtnl_lock(); if (netif_running(netdev)) ixgbe_close_suspend(adapter); - rtnl_unlock(); ixgbe_clear_interrupt_scheme(adapter); + rtnl_unlock(); #ifdef CONFIG_PM retval = pci_save_state(pdev); Patches currently in stable-queue which might be from emil.s.tantilov(a)intel.com are queue-3.18/ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch queue-3.18/ixgbe-fix-aer-error-handling.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "ixgbe: fix AER error handling" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled ixgbe: fix AER error handling to the 3.18-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: ixgbe-fix-aer-error-handling.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Emil Tantilov <emil.s.tantilov(a)intel.com> Date: Wed, 16 Nov 2016 09:48:02 -0800 Subject: ixgbe: fix AER error handling From: Emil Tantilov <emil.s.tantilov(a)intel.com> [ Upstream commit 126db13fa0e6d05c9f94e0125f61e773bd5ab079 ] Make sure that we free the IRQs in ixgbe_io_error_detected() when responding to an PCIe AER error and also restore them when the interface recovers from it. Previously it was possible to trigger BUG_ON() check in free_msix_irqs() in the case where we call ixgbe_remove() after a failed recovery from AER error because the interrupts were not freed. Signed-off-by: Emil Tantilov <emil.s.tantilov(a)intel.com> Tested-by: Andrew Bowers <andrewx.bowers(a)intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher(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/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -8575,7 +8575,7 @@ skip_bad_vf_detection: } if (netif_running(netdev)) - ixgbe_down(adapter); + ixgbe_close_suspend(adapter); if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state)) pci_disable_device(pdev); @@ -8645,10 +8645,12 @@ static void ixgbe_io_resume(struct pci_d } #endif + rtnl_lock(); if (netif_running(netdev)) - ixgbe_up(adapter); + ixgbe_open(netdev); netif_device_attach(netdev); + rtnl_unlock(); } static const struct pci_error_handlers ixgbe_err_handler = { Patches currently in stable-queue which might be from emil.s.tantilov(a)intel.com are queue-3.18/ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch queue-3.18/ixgbe-fix-aer-error-handling.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "iscsi-target: Fix iscsi_np reset hung task during parallel delete" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled iscsi-target: Fix iscsi_np reset hung task during parallel delete to the 3.18-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: iscsi-target-fix-iscsi_np-reset-hung-task-during-parallel-delete.patch and it can be found in the queue-3.18 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 978d13d60c34818a41fc35962602bdfa5c03f214 Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger <nab(a)linux-iscsi.org> Date: Fri, 4 Aug 2017 23:59:31 -0700 Subject: iscsi-target: Fix iscsi_np reset hung task during parallel delete From: Nicholas Bellinger <nab(a)linux-iscsi.org> commit 978d13d60c34818a41fc35962602bdfa5c03f214 upstream. This patch fixes a bug associated with iscsit_reset_np_thread() that can occur during parallel configfs rmdir of a single iscsi_np used across multiple iscsi-target instances, that would result in hung task(s) similar to below where configfs rmdir process context was blocked indefinately waiting for iscsi_np->np_restart_comp to finish: [ 6726.112076] INFO: task dcp_proxy_node_:15550 blocked for more than 120 seconds. [ 6726.119440] Tainted: G W O 4.1.26-3321 #2 [ 6726.125045] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 6726.132927] dcp_proxy_node_ D ffff8803f202bc88 0 15550 1 0x00000000 [ 6726.140058] ffff8803f202bc88 ffff88085c64d960 ffff88083b3b1ad0 ffff88087fffeb08 [ 6726.147593] ffff8803f202c000 7fffffffffffffff ffff88083f459c28 ffff88083b3b1ad0 [ 6726.155132] ffff88035373c100 ffff8803f202bca8 ffffffff8168ced2 ffff8803f202bcb8 [ 6726.162667] Call Trace: [ 6726.165150] [<ffffffff8168ced2>] schedule+0x32/0x80 [ 6726.170156] [<ffffffff8168f5b4>] schedule_timeout+0x214/0x290 [ 6726.176030] [<ffffffff810caef2>] ? __send_signal+0x52/0x4a0 [ 6726.181728] [<ffffffff8168d7d6>] wait_for_completion+0x96/0x100 [ 6726.187774] [<ffffffff810e7c80>] ? wake_up_state+0x10/0x10 [ 6726.193395] [<ffffffffa035d6e2>] iscsit_reset_np_thread+0x62/0xe0 [iscsi_target_mod] [ 6726.201278] [<ffffffffa0355d86>] iscsit_tpg_disable_portal_group+0x96/0x190 [iscsi_target_mod] [ 6726.210033] [<ffffffffa0363f7f>] lio_target_tpg_store_enable+0x4f/0xc0 [iscsi_target_mod] [ 6726.218351] [<ffffffff81260c5a>] configfs_write_file+0xaa/0x110 [ 6726.224392] [<ffffffff811ea364>] vfs_write+0xa4/0x1b0 [ 6726.229576] [<ffffffff811eb111>] SyS_write+0x41/0xb0 [ 6726.234659] [<ffffffff8169042e>] system_call_fastpath+0x12/0x71 It would happen because each iscsit_reset_np_thread() sets state to ISCSI_NP_THREAD_RESET, sends SIGINT, and then blocks waiting for completion on iscsi_np->np_restart_comp. However, if iscsi_np was active processing a login request and more than a single iscsit_reset_np_thread() caller to the same iscsi_np was blocked on iscsi_np->np_restart_comp, iscsi_np kthread process context in __iscsi_target_login_thread() would flush pending signals and only perform a single completion of np->np_restart_comp before going back to sleep within transport specific iscsit_transport->iscsi_accept_np code. To address this bug, add a iscsi_np->np_reset_count and update __iscsi_target_login_thread() to keep completing np->np_restart_comp until ->np_reset_count has reached zero. Reported-by: Gary Guo <ghg(a)datera.io> Tested-by: Gary Guo <ghg(a)datera.io> Cc: Mike Christie <mchristi(a)redhat.com> Cc: Hannes Reinecke <hare(a)suse.de> Signed-off-by: Nicholas Bellinger <nab(a)linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/target/iscsi/iscsi_target.c | 1 + drivers/target/iscsi/iscsi_target_core.h | 1 + drivers/target/iscsi/iscsi_target_login.c | 7 +++++-- include/target/iscsi/iscsi_target_core.h | 1 + 4 files changed, 8 insertions(+), 2 deletions(-) --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -428,6 +428,7 @@ int iscsit_reset_np_thread( return 0; } np->np_thread_state = ISCSI_NP_THREAD_RESET; + atomic_inc(&np->np_reset_count); if (np->np_thread) { spin_unlock_bh(&np->np_thread_lock); --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -783,6 +783,7 @@ struct iscsi_np { int np_sock_type; enum np_thread_state_table np_thread_state; bool enabled; + atomic_t np_reset_count; enum iscsi_timer_flags_table np_login_timer_flags; u32 np_exports; enum np_flags_table np_flags; --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1275,9 +1275,11 @@ static int __iscsi_target_login_thread(s flush_signals(current); spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; + spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); + return 1; } else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) { spin_unlock_bh(&np->np_thread_lock); goto exit; @@ -1310,7 +1312,8 @@ static int __iscsi_target_login_thread(s goto exit; } else if (rc < 0) { spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { + np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); iscsit_put_transport(conn->conn_transport); --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -784,6 +784,7 @@ struct iscsi_np { int np_sock_type; enum np_thread_state_table np_thread_state; bool enabled; + atomic_t np_reset_count; enum iscsi_timer_flags_table np_login_timer_flags; u32 np_exports; enum np_flags_table np_flags; Patches currently in stable-queue which might be from nab(a)linux-iscsi.org are queue-3.18/iscsi-target-fix-iscsi_np-reset-hung-task-during-parallel-delete.patch

6 years, 6 months

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[Linux-stable-mirror] Patch "igb: reset the PHY before reading the PHY ID" has been added to the 3.18-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled igb: reset the PHY before reading the PHY ID to the 3.18-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: igb-reset-the-phy-before-reading-the-phy-id.patch and it can be found in the queue-3.18 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 Sun Nov 19 12:16:40 CET 2017 From: Aaron Sierra <asierra(a)xes-inc.com> Date: Tue, 29 Nov 2016 10:03:56 -0600 Subject: igb: reset the PHY before reading the PHY ID From: Aaron Sierra <asierra(a)xes-inc.com> [ Upstream commit 182785335447957409282ca745aa5bc3968facee ] Several people have reported firmware leaving the I210/I211 PHY's page select register set to something other than the default of zero. This causes the first accesses, PHY_IDx register reads, to access something else, resulting in device probe failure: igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k igb: Copyright (c) 2007-2014 Intel Corporation. igb: probe of 0000:01:00.0 failed with error -2 This problem began for them after a previous patch I submitted was applied: commit 2a3cdead8b408351fa1e3079b220fa331480ffbc Author: Aaron Sierra <asierra(a)xes-inc.com> Date: Tue Nov 3 12:37:09 2015 -0600 igb: Remove GS40G specific defines/functions I personally experienced this problem after attempting to PXE boot from I210 devices using this firmware: Intel(R) Boot Agent GE v1.5.78 Copyright (C) 1997-2014, Intel Corporation Resetting the PHY before reading from it, ensures the page select register is in its default state and doesn't make assumptions about the PHY's register set before the PHY has been probed. Cc: Matwey V. Kornilov <matwey(a)sai.msu.ru> Cc: Chris Arges <carges(a)vectranetworks.com> Cc: Jochen Henneberg <jh(a)henneberg-systemdesign.com> Signed-off-by: Aaron Sierra <asierra(a)xes-inc.com> Tested-by: Matwey V. Kornilov <matwey(a)sai.msu.ru> Tested-by: Chris J Arges <christopherarges(a)gmail.com> Tested-by: Aaron Brown <aaron.f.brown(a)intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher(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/ethernet/intel/igb/e1000_82575.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -215,6 +215,17 @@ static s32 igb_init_phy_params_82575(str hw->bus.func = (rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT; + /* Make sure the PHY is in a good state. Several people have reported + * firmware leaving the PHY's page select register set to something + * other than the default of zero, which causes the PHY ID read to + * access something other than the intended register. + */ + ret_val = hw->phy.ops.reset(hw); + if (ret_val) { + hw_dbg("Error resetting the PHY.\n"); + goto out; + } + /* Set phy->phy_addr and phy->id. */ ret_val = igb_get_phy_id_82575(hw); if (ret_val) Patches currently in stable-queue which might be from asierra(a)xes-inc.com are queue-3.18/igb-reset-the-phy-before-reading-the-phy-id.patch

6 years, 6 months

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