diff options
Diffstat (limited to 'include/asm-sparc64/percpu.h')
| -rw-r--r-- | include/asm-sparc64/percpu.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index 88db872ce2f8..a1f53a4da405 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h @@ -3,6 +3,8 @@ #include <linux/compiler.h> +register unsigned long __local_per_cpu_offset asm("g5"); + #ifdef CONFIG_SMP #define setup_per_cpu_areas() do { } while (0) @@ -18,7 +20,10 @@ extern unsigned long __per_cpu_shift; #define DEFINE_PER_CPU(type, name) \ __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name -register unsigned long __local_per_cpu_offset asm("g5"); +#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ + __attribute__((__section__(".data.percpu.shared_aligned"))) \ + __typeof__(type) per_cpu__##name \ + ____cacheline_aligned_in_smp /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu))) @@ -38,6 +43,8 @@ do { \ #define real_setup_per_cpu_areas() do { } while (0) #define DEFINE_PER_CPU(type, name) \ __typeof__(type) per_cpu__##name +#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ + DEFINE_PER_CPU(type, name) #define per_cpu(var, cpu) (*((void)cpu, &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var |