diff options
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/acpi.h | 1 | ||||
| -rw-r--r-- | include/asm-x86_64/pda.h | 9 | ||||
| -rw-r--r-- | include/asm-x86_64/vsyscall.h | 2 |
3 files changed, 10 insertions, 2 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index ed59aa4..9d1916e 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h @@ -163,6 +163,7 @@ extern u8 x86_acpiid_to_apicid[]; #define ARCH_HAS_POWER_INIT 1 extern int acpi_skip_timer_override; +extern int acpi_use_timer_override; #endif /*__KERNEL__*/ diff --git a/include/asm-x86_64/pda.h b/include/asm-x86_64/pda.h index 14996d9..5642634 100644 --- a/include/asm-x86_64/pda.h +++ b/include/asm-x86_64/pda.h @@ -109,6 +109,15 @@ extern struct x8664_pda _proxy_pda; #define sub_pda(field,val) pda_to_op("sub",field,val) #define or_pda(field,val) pda_to_op("or",field,val) +/* This is not atomic against other CPUs -- CPU preemption needs to be off */ +#define test_and_clear_bit_pda(bit,field) ({ \ + int old__; \ + asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0" \ + : "=r" (old__), "+m" (_proxy_pda.field) \ + : "dIr" (bit), "i" (pda_offset(field)) : "memory"); \ + old__; \ +}) + #endif #define PDA_STACKOFFSET (5*8) diff --git a/include/asm-x86_64/vsyscall.h b/include/asm-x86_64/vsyscall.h index fd452fc..01d1c17 100644 --- a/include/asm-x86_64/vsyscall.h +++ b/include/asm-x86_64/vsyscall.h @@ -59,8 +59,6 @@ extern seqlock_t xtime_lock; extern int sysctl_vsyscall; -extern void vsyscall_set_cpu(int cpu); - #define ARCH_HAVE_XTIME_LOCK 1 #endif /* __KERNEL__ */ |