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| author | Ingo Molnar | 2013-08-12 17:54:05 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2013-08-12 17:54:05 +0200 |
| commit | 0237d7f355eef4d9ab8557e1597e8c9debd6c8c2 (patch) | |
| tree | 753837a9fb9e3f65bc7450994159683a47f086a6 /drivers/acpi/apei/ghes.c | |
| parent | Merge tag 'ras_for_3.12' into x86/ras (diff) | |
| parent | mce: acpi/apei: Soft-offline a page on firmware GHES notification (diff) | |
| download | kernel-qcow2-linux-0237d7f355eef4d9ab8557e1597e8c9debd6c8c2.tar.gz kernel-qcow2-linux-0237d7f355eef4d9ab8557e1597e8c9debd6c8c2.tar.xz kernel-qcow2-linux-0237d7f355eef4d9ab8557e1597e8c9debd6c8c2.zip | |
Merge branch 'x86/mce' into x86/ras
Pursue a single RAS/MCE topic branch on x86.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/apei/ghes.c')
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index ec9b57d428a1..8ec37bbdd699 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -409,6 +409,34 @@ static void ghes_clear_estatus(struct ghes *ghes) ghes->flags &= ~GHES_TO_CLEAR; } +static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int sev) +{ +#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE + unsigned long pfn; + int sec_sev = ghes_severity(gdata->error_severity); + struct cper_sec_mem_err *mem_err; + mem_err = (struct cper_sec_mem_err *)(gdata + 1); + + if (sec_sev == GHES_SEV_CORRECTED && + (gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED) && + (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)) { + pfn = mem_err->physical_addr >> PAGE_SHIFT; + if (pfn_valid(pfn)) + memory_failure_queue(pfn, 0, MF_SOFT_OFFLINE); + else if (printk_ratelimit()) + pr_warn(FW_WARN GHES_PFX + "Invalid address in generic error data: %#llx\n", + mem_err->physical_addr); + } + if (sev == GHES_SEV_RECOVERABLE && + sec_sev == GHES_SEV_RECOVERABLE && + mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) { + pfn = mem_err->physical_addr >> PAGE_SHIFT; + memory_failure_queue(pfn, 0, 0); + } +#endif +} + static void ghes_do_proc(struct ghes *ghes, const struct acpi_hest_generic_status *estatus) { @@ -428,15 +456,7 @@ static void ghes_do_proc(struct ghes *ghes, 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 + ghes_handle_memory_failure(gdata, sev); } #ifdef CONFIG_ACPI_APEI_PCIEAER else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, |