diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0007-x86-mce-Improve-error-message-when-kernel-cannot-rec.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0007-x86-mce-Improve-error-message-when-kernel-cannot-rec.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0007-x86-mce-Improve-error-message-when-kernel-cannot-rec.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0007-x86-mce-Improve-error-message-when-kernel-cannot-rec.patch deleted file mode 100644 index 3ddb8ece..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0007-x86-mce-Improve-error-message-when-kernel-cannot-rec.patch +++ /dev/null @@ -1,59 +0,0 @@ -From f08520b8eba49e29d01f53ac8f2a52022e435744 Mon Sep 17 00:00:00 2001 -From: Tony Luck <tony.luck@intel.com> -Date: Fri, 25 May 2018 14:41:39 -0700 -Subject: [PATCH 07/10] x86/mce: Improve error message when kernel cannot - recover - -commit c7d606f560e4c698884697fef503e4abacdd8c25 upstream. - -Since we added support to add recovery from some errors inside the kernel in: - -commit b2f9d678e28c ("x86/mce: Check for faults tagged in EXTABLE_CLASS_FAULT exception table entries") - -we have done a less than stellar job at reporting the cause of recoverable -machine checks that occur in other parts of the kernel. The user just gets -the unhelpful message: - - mce: [Hardware Error]: Machine check: Action required: unknown MCACOD - -doubly unhelpful when they check the manual for the reported IA32_MSR_STATUS.MCACOD -and see that it is listed as one of the standard recoverable values. - -Add an extra rule to the MCE severity table to catch this case and report it -as: - - mce: [Hardware Error]: Machine check: Data load in unrecoverable area of kernel - -Fixes: b2f9d678e28c ("x86/mce: Check for faults tagged in EXTABLE_CLASS_FAULT exception table entries") -Signed-off-by: Tony Luck <tony.luck@intel.com> -Signed-off-by: Thomas Gleixner <tglx@linutronix.de> -Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> -Cc: Ashok Raj <ashok.raj@intel.com> -Cc: stable@vger.kernel.org # 4.6+ -Cc: Dan Williams <dan.j.williams@intel.com> -Cc: Borislav Petkov <bp@suse.de> -Link: https://lkml.kernel.org/r/4cc7c465150a9a48b8b9f45d0b840278e77eb9b5.1527283897.git.tony.luck@intel.com -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/kernel/cpu/mcheck/mce-severity.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c -index c7efbcf..17dbbdbb 100644 ---- a/arch/x86/kernel/cpu/mcheck/mce-severity.c -+++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c -@@ -143,6 +143,11 @@ static struct severity { - SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD, MCI_UC_SAR|MCI_ADDR|MCACOD_INSTR), - USER - ), -+ MCESEV( -+ PANIC, "Data load in unrecoverable area of kernel", -+ SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD, MCI_UC_SAR|MCI_ADDR|MCACOD_DATA), -+ KERNEL -+ ), - #endif - MCESEV( - PANIC, "Action required: unknown MCACOD", --- -2.7.4 - |