diff options
author | Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2013-07-01 21:08:54 +0530 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2013-07-08 11:54:28 -0700 |
commit | 9ad95879cd1b22ed016c804f8d686ff83a41a9d4 (patch) | |
tree | 0cee9371366a6c1bfa15757356b6213aa09a565c /arch | |
parent | c3d1fb567a634dcdff4c6f6095b2053260988336 (diff) | |
download | linux-stable-9ad95879cd1b22ed016c804f8d686ff83a41a9d4.tar.gz linux-stable-9ad95879cd1b22ed016c804f8d686ff83a41a9d4.tar.bz2 linux-stable-9ad95879cd1b22ed016c804f8d686ff83a41a9d4.zip |
mce: acpi/apei: Add a boot option to disable ff mode for corrected errors
Add a boot option to disable firmware first mode for corrected errors.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/include/asm/acpi.h | 2 | ||||
-rw-r--r-- | arch/x86/kernel/acpi/boot.c | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index b31bf97775fc..42db2b88953b 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -86,6 +86,7 @@ extern int acpi_pci_disabled; extern int acpi_skip_timer_override; extern int acpi_use_timer_override; extern int acpi_fix_pin2_polarity; +extern int acpi_disable_cmcff; extern u8 acpi_sci_flags; extern int acpi_sci_override_gsi; @@ -168,6 +169,7 @@ static inline void arch_acpi_set_pdc_bits(u32 *buf) #define acpi_lapic 0 #define acpi_ioapic 0 +#define acpi_disable_cmcff 0 static inline void acpi_noirq_set(void) { } static inline void acpi_disable_pci(void) { } static inline void disable_acpi(void) { } diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 230c8ea878e5..d1998d580080 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -66,6 +66,7 @@ EXPORT_SYMBOL(acpi_pci_disabled); int acpi_lapic; int acpi_ioapic; int acpi_strict; +int acpi_disable_cmcff; u8 acpi_sci_flags __initdata; int acpi_sci_override_gsi __initdata; @@ -1619,6 +1620,10 @@ static int __init parse_acpi(char *arg) /* "acpi=copy_dsdt" copys DSDT */ else if (strcmp(arg, "copy_dsdt") == 0) { acpi_gbl_copy_dsdt_locally = 1; + } + /* "acpi=nocmcff" disables FF mode for corrected errors */ + else if (strcmp(arg, "nocmcff") == 0) { + acpi_disable_cmcff = 1; } else { /* Core will printk when we return error. */ return -EINVAL; |