Messages in this thread Patch in this message | | | From | Huang Ying <> | Subject | [RFC][PATCH 3/3] ACPI, APEI, report GHES error information via printk | Date | Wed, 24 Nov 2010 09:16:54 +0800 |
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printk is one of the methods to report hardware errors to user space. This patch implements hardware error reporting for GHES via printk.
Signed-off-by: Huang Ying <ying.huang@intel.com> --- drivers/acpi/apei/ghes.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-)
--- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -255,11 +255,23 @@ static void ghes_do_proc(struct ghes *gh } #endif } +} - if (!processed && printk_ratelimit()) - pr_warning(GHES_PFX - "Unknown error record from generic hardware error source: %d\n", - ghes->generic->header.source_id); +static void ghes_print_estatus(const char *pfx, struct ghes *ghes) +{ + if (pfx == NULL) { + if (ghes_severity(ghes->estatus->error_severity) <= + GHES_SEV_CORRECTED) + pfx = KERN_WARNING HW_ERR; + else + pfx = KERN_ERR HW_ERR; + } + if (printk_ratelimit()) { + printk( + "%sHardware error from Generic Hardware Error Source: %d\n", + pfx, ghes->generic->header.source_id); + apei_estatus_print(pfx, ghes->estatus); + } } static int ghes_proc(struct ghes *ghes) @@ -269,6 +281,7 @@ static int ghes_proc(struct ghes *ghes) rc = ghes_read_estatus(ghes, 0); if (rc) goto out; + ghes_print_estatus(NULL, ghes); ghes_do_proc(ghes); out:
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