diff options
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | include/asm-generic/percpu.h | 12 | ||||
| -rw-r--r-- | init/main.c | 4 | ||||
| -rw-r--r-- | kernel/module.c | 8 |
4 files changed, 13 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f0887d12a5bb..8e1b33c5405f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -97,7 +97,7 @@ config GENERIC_TIME_VSYSCALL bool default X86_64 -config ARCH_SETS_UP_PER_CPU_AREA +config HAVE_SETUP_PER_CPU_AREA def_bool X86_64 config ARCH_SUPPORTS_OPROFILE diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index c41b1a731129..4b8d31cda1a0 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -47,7 +47,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #endif /* - * A percpu variable may point to a discarded reghions. The following are + * A percpu variable may point to a discarded regions. The following are * established ways to produce a usable pointer from the percpu variable * offset. */ @@ -59,18 +59,10 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; (*SHIFT_PERCPU_PTR(&per_cpu_var(var), __my_cpu_offset)) -#ifdef CONFIG_ARCH_SETS_UP_PER_CPU_AREA +#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA extern void setup_per_cpu_areas(void); #endif -/* A macro to avoid #include hell... */ -#define percpu_modcopy(pcpudst, src, size) \ -do { \ - unsigned int __i; \ - for_each_possible_cpu(__i) \ - memcpy((pcpudst)+per_cpu_offset(__i), \ - (src), (size)); \ -} while (0) #else /* ! SMP */ #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu_var(var))) diff --git a/init/main.c b/init/main.c index 5843fe996703..3316dffe3e57 100644 --- a/init/main.c +++ b/init/main.c @@ -363,7 +363,7 @@ static inline void smp_prepare_cpus(unsigned int maxcpus) { } #else -#ifndef CONFIG_ARCH_SETS_UP_PER_CPU_AREA +#ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; EXPORT_SYMBOL(__per_cpu_offset); @@ -384,7 +384,7 @@ static void __init setup_per_cpu_areas(void) ptr += size; } } -#endif /* CONFIG_ARCH_SETS_UP_CPU_AREA */ +#endif /* CONFIG_HAVE_SETUP_PER_CPU_AREA */ /* Called by boot processor to activate the rest. */ static void __init smp_init(void) diff --git a/kernel/module.c b/kernel/module.c index f6a4e721fd49..bd60278ee703 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -430,6 +430,14 @@ static unsigned int find_pcpusec(Elf_Ehdr *hdr, return find_sec(hdr, sechdrs, secstrings, ".data.percpu"); } +static void percpu_modcopy(void *pcpudest, const void *from, unsigned long size) +{ + int cpu; + + for_each_possible_cpu(cpu) + memcpy(pcpudest + per_cpu_offset(cpu), from, size); +} + static int percpu_modinit(void) { pcpu_num_used = 2; |