diff options
| author | Huang Ying <ying.huang@intel.com> | 2011-07-13 07:14:28 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-08-03 17:15:58 +0200 |
| commit | ba61ca4aab47441f1c6cec28a9a6aa0489fd1df3 (patch) | |
| tree | 04859a2c04f238b41e535c8e64977aefa99e28d2 /drivers/acpi | |
| parent | HWPoison: add memory_failure_queue() (diff) | |
| download | linux-ba61ca4aab47441f1c6cec28a9a6aa0489fd1df3.tar.xz linux-ba61ca4aab47441f1c6cec28a9a6aa0489fd1df3.zip | |
ACPI, APEI, GHES: Add hardware memory error recovery support
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>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/apei/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 24 |
2 files changed, 24 insertions, 7 deletions
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index 35596eaaca17..c34aa51af4ee 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -32,6 +32,13 @@ config ACPI_APEI_PCIEAER PCIe AER errors may be reported via APEI firmware first mode. 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 tristate "APEI Error INJection (EINJ)" depends on ACPI_APEI && DEBUG_FS diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 931410d31a96..e92c47c46f91 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -451,20 +451,30 @@ static void ghes_clear_estatus(struct ghes *ghes) 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; sev = ghes_severity(estatus->error_severity); 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, CPER_SEC_PLATFORM_MEM)) { - apei_mce_report_mem_error( - sev == GHES_SEV_CORRECTED, - (struct cper_sec_mem_err *)(gdata+1)); - processed = 1; - } + struct cper_sec_mem_err *mem_err; + mem_err = (struct cper_sec_mem_err *)(gdata+1); +#ifdef CONFIG_X86_MCE + apei_mce_report_mem_error(sev == GHES_SEV_CORRECTED, + mem_err); #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 + } } } |