From: Tony Luck <tony.l...@intel.com>
commit 41f035a86b5b72a4f947c38e94239d20d595352a upstream.
In
c7d606f560e4 ("x86/mce: Improve error message when kernel cannot recover")
a case was added for a machine check caused by a DATA access to poison
memory from the kernel. A case should have been added also for an
uncorrectable error during an instruction fetch in the kernel.
Add that extra case so the error message now reads:
mce: [Hardware Error]: Machine check: Instruction fetch error in kernel
Fixes: c7d606f560e4 ("x86/mce: Improve error message when kernel cannot
recover")
Signed-off-by: Tony Luck <tony.l...@intel.com>
Signed-off-by: Borislav Petkov <b...@suse.de>
Cc: "H. Peter Anvin" <h...@zytor.com>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Pu Wen <pu...@hygon.cn>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: x86-ml <x...@kernel.org>
Link: https://lkml.kernel.org/r/20190225205940.15226-1-tony.l...@intel.com
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/x86/kernel/cpu/mcheck/mce-severity.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/arch/x86/kernel/cpu/mcheck/mce-severity.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c
@@ -148,6 +148,11 @@ static struct severity {
SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD,
MCI_UC_SAR|MCI_ADDR|MCACOD_DATA),
KERNEL
),
+ MCESEV(
+ PANIC, "Instruction fetch error in kernel",
+ SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD,
MCI_UC_SAR|MCI_ADDR|MCACOD_INSTR),
+ KERNEL
+ ),
#endif
MCESEV(
PANIC, "Action required: unknown MCACOD",
