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| author | Lenny Szubowicz <lszubowi@redhat.com> | 2018-12-19 17:50:52 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-12-20 21:35:45 +0100 |
| commit | 98cff8b23ed1c763a029ee81ea300df0d153d07d (patch) | |
| tree | ab49e11cec4b7c632ba391b5fced4295d169386b /drivers/acpi | |
| parent | ACPI, APEI, EINJ: Change to use DEFINE_SHOW_ATTRIBUTE macro (diff) | |
| download | linux-98cff8b23ed1c763a029ee81ea300df0d153d07d.tar.xz linux-98cff8b23ed1c763a029ee81ea300df0d153d07d.zip | |
ACPI/APEI: Clear GHES block_status before panic()
In __ghes_panic() clear the block status in the APEI generic
error status block for that generic hardware error source before
calling panic() to prevent a second panic() in the crash kernel
for exactly the same fatal error.
Otherwise ghes_probe(), running in the crash kernel, would see
an unhandled error in the APEI generic error status block and
panic again, thereby precluding any crash dump.
Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com>
Signed-off-by: David Arcari <darcari@redhat.com>
Tested-by: Tyler Baicar <baicar.tyler@gmail.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 02c6fd9caff7..f008ba7c9ced 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -691,6 +691,8 @@ static void __ghes_panic(struct ghes *ghes) { __ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus); + ghes_clear_estatus(ghes); + /* reboot to log the error! */ if (!panic_timeout) panic_timeout = ghes_panic_timeout; |