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ACPI, APEI, GHES: Add hardware memory error recovery support

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memory_failure_queue() is called when recoverable memory errors are
notified by firmware to do the recovery work.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Huang Ying 2011-07-13 13:14:28 +08:00 committed by Len Brown
parent ea8f5fb8a7
commit ba61ca4aab
2 changed files with 24 additions and 7 deletions
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7
drivers/acpi/apei/Kconfig
View File

@ -32,6 +32,13 @@ config ACPI_APEI_PCIEAER
PCIe AER errors may be reported via APEI firmware first mode. PCIe AER errors may be reported via APEI firmware first mode.
Turn on this option to enable the corresponding support. Turn on this option to enable the corresponding support.
config ACPI_APEI_MEMORY_FAILURE
bool "APEI memory error recovering support"
depends on ACPI_APEI && MEMORY_FAILURE
help
Memory errors may be reported via APEI firmware first mode.
Turn on this option to enable the memory recovering support.
config ACPI_APEI_EINJ config ACPI_APEI_EINJ
tristate "APEI Error INJection (EINJ)" tristate "APEI Error INJection (EINJ)"
depends on ACPI_APEI && DEBUG_FS depends on ACPI_APEI && DEBUG_FS

24
drivers/acpi/apei/ghes.c
View File

@ -451,20 +451,30 @@ static void ghes_clear_estatus(struct ghes *ghes)
static void ghes_do_proc(const struct acpi_hest_generic_status *estatus) static void ghes_do_proc(const struct acpi_hest_generic_status *estatus)
{ {
int sev, processed = 0; int sev, sec_sev;
struct acpi_hest_generic_data *gdata; struct acpi_hest_generic_data *gdata;
sev = ghes_severity(estatus->error_severity); sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) { apei_estatus_for_each_section(estatus, gdata) {
#ifdef CONFIG_X86_MCE sec_sev = ghes_severity(gdata->error_severity);
if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, if (!uuid_le_cmp(*(uuid_le *)gdata->section_type,
CPER_SEC_PLATFORM_MEM)) { CPER_SEC_PLATFORM_MEM)) {
apei_mce_report_mem_error( struct cper_sec_mem_err *mem_err;
sev == GHES_SEV_CORRECTED, mem_err = (struct cper_sec_mem_err *)(gdata+1);
(struct cper_sec_mem_err *)(gdata+1)); #ifdef CONFIG_X86_MCE
processed = 1; apei_mce_report_mem_error(sev == GHES_SEV_CORRECTED,
} mem_err);
#endif #endif
#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE
if (sev == GHES_SEV_RECOVERABLE &&
sec_sev == GHES_SEV_RECOVERABLE &&
mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
unsigned long pfn;
pfn = mem_err->physical_addr >> PAGE_SHIFT;
memory_failure_queue(pfn, 0, 0);
}
#endif
}
} }
} }