diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-26 19:41:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-26 19:41:28 -0800 |
| commit | ff1ea52fa317a5658b6415b25169c5e531f54876 (patch) | |
| tree | 88fd243ddb02de7e3b2b0f55aba91796785b5a63 /include | |
| parent | b5faa4b89e4d83203b1f44f143a351b518f7cda2 (diff) | |
| parent | f44d9efd3510776216938fef84adc99cc0e12412 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
x86: fix APIC related bootup crash on Athlon XP CPUs
time: add ADJ_OFFSET_SS_READ
x86: export the symbol empty_zero_page on the 32-bit x86 architecture
x86: fix kprobes_64.c inlining borkage
pci: use pci=bfsort for HP DL385 G2, DL585 G2
x86: correctly set UTS_MACHINE for "make ARCH=x86"
lockdep: annotate do_debug() trap handler
x86: turn off iommu merge by default
x86: fix ACPI compile for LOCAL_APIC=n
x86: printk kernel version in WARN_ON and other dump_stack users
ACPI: Set max_cstate to 1 for early Opterons.
x86: fix NMI watchdog & 'stopped time' problem
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ia64/acpi.h | 1 | ||||
| -rw-r--r-- | include/asm-x86/acpi.h | 27 | ||||
| -rw-r--r-- | include/asm-x86/apic_32.h | 1 | ||||
| -rw-r--r-- | include/linux/timex.h | 1 |
4 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h index 49730ffbbae..81bcd5e5178 100644 --- a/include/asm-ia64/acpi.h +++ b/include/asm-ia64/acpi.h @@ -94,6 +94,7 @@ ia64_acpi_release_global_lock (unsigned int *lock) #define acpi_noirq 0 /* ACPI always enabled on IA64 */ #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ +#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ static inline void disable_acpi(void) { } const char *acpi_get_sysname (void); diff --git a/include/asm-x86/acpi.h b/include/asm-x86/acpi.h index 0693689d414..f8a89793ac8 100644 --- a/include/asm-x86/acpi.h +++ b/include/asm-x86/acpi.h @@ -1,5 +1,32 @@ +#ifndef _ASM_X86_ACPI_H +#define _ASM_X86_ACPI_H + #ifdef CONFIG_X86_32 # include "acpi_32.h" #else # include "acpi_64.h" #endif + +#include <asm/processor.h> + +/* + * Check if the CPU can handle C2 and deeper + */ +static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) +{ + /* + * Early models (<=5) of AMD Opterons are not supposed to go into + * C2 state. + * + * Steppings 0x0A and later are good + */ + if (boot_cpu_data.x86 == 0x0F && + boot_cpu_data.x86_vendor == X86_VENDOR_AMD && + boot_cpu_data.x86_model <= 0x05 && + boot_cpu_data.x86_mask < 0x0A) + return 1; + else + return max_cstate; +} + +#endif diff --git a/include/asm-x86/apic_32.h b/include/asm-x86/apic_32.h index 4091b33dcb1..be158b27d54 100644 --- a/include/asm-x86/apic_32.h +++ b/include/asm-x86/apic_32.h @@ -120,6 +120,7 @@ extern int local_apic_timer_disabled; #else /* !CONFIG_X86_LOCAL_APIC */ static inline void lapic_shutdown(void) { } +#define local_apic_timer_c2_ok 1 #endif /* !CONFIG_X86_LOCAL_APIC */ diff --git a/include/linux/timex.h b/include/linux/timex.h index 37ac3ff90fa..24c6a2b5951 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -137,6 +137,7 @@ struct timex { #define ADJ_TIMECONST 0x0020 /* pll time constant */ #define ADJ_TICK 0x4000 /* tick value */ #define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */ +#define ADJ_OFFSET_SS_READ 0xa001 /* read-only adjtime */ /* xntp 3.4 compatibility names */ #define MOD_OFFSET ADJ_OFFSET |