diff options
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/acpi.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index aa1c7b2e438..e2b9923189a 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h @@ -164,6 +164,20 @@ extern u8 x86_acpiid_to_apicid[]; extern int acpi_skip_timer_override; +extern int unsync_tsc_on_multicluster; + +static inline int acpi_madt_oem_check(char *oem, char *productid) +{ + /* Copied from i386. Probably has too many entries. */ + if (!strncmp(oem, "IBM ENSW", 8) && + (!strncmp(productid, "VIGIL SMP", 9) + || !strncmp(productid, "EXA", 3) + || !strncmp(productid, "RUTHLESS SMP", 12))) { + unsync_tsc_on_multicluster = 1; + } + return 0; +} + #endif /*__KERNEL__*/ #endif /*_ASM_ACPI_H*/ |