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| author | Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com> | 2015-05-06 06:58:56 -0500 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2015-05-07 10:23:32 +0200 |
| commit | 24fd78a81f6d3fe7f7a440c8629f9c52cd5f830e (patch) | |
| tree | 9c32cc0f0aa92425ebf780a9d93e3517b2f36ea7 /arch/x86/include/asm/irq_vectors.h | |
| parent | 7559e13fb4abe7880dfaf985d6a1630ca90a67ce (diff) | |
| download | linux-24fd78a81f6d3fe7f7a440c8629f9c52cd5f830e.tar.gz linux-24fd78a81f6d3fe7f7a440c8629f9c52cd5f830e.tar.bz2 linux-24fd78a81f6d3fe7f7a440c8629f9c52cd5f830e.zip | |
x86/mce/amd: Introduce deferred error interrupt handler
Deferred errors indicate error conditions that were not corrected, but
require no action from S/W (or action is optional).These errors provide
info about a latent UC MCE that can occur when a poisoned data is
consumed by the processor.
Processors that report these errors can be configured to generate APIC
interrupts to notify OS about the error.
Provide an interrupt handler in this patch so that OS can catch these
errors as and when they happen. Currently, we simply log the errors and
exit the handler as S/W action is not mandated.
Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: x86-ml <x86@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1430913538-1415-5-git-send-email-Aravind.Gopalakrishnan@amd.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/include/asm/irq_vectors.h')
| -rw-r--r-- | arch/x86/include/asm/irq_vectors.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 666c89ec4bd7..026fc1e1599c 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -113,6 +113,7 @@ #define IRQ_WORK_VECTOR 0xf6 #define UV_BAU_MESSAGE 0xf5 +#define DEFERRED_ERROR_VECTOR 0xf4 /* Vector on which hypervisor callbacks will be delivered */ #define HYPERVISOR_CALLBACK_VECTOR 0xf3 |