On Wed, 30 Jan 2008, Linux Kernel Mailing List wrote: > Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dd5af90a7f3d79e04b7eace9a98644dbf2038f4d > Commit: dd5af90a7f3d79e04b7eace9a98644dbf2038f4d > Parent: 3212bff370c2f22e4987c6679ba485654cefb178 > Author: Mike Travis <travis@xxxxxxx> > AuthorDate: Wed Jan 30 13:33:32 2008 +0100 > Committer: Ingo Molnar <mingo@xxxxxxx> > CommitDate: Wed Jan 30 13:33:32 2008 +0100 > > x86/non-x86: percpu, node ids, apic ids x86.git fixup > > Signed-off-by: Ingo Molnar <mingo@xxxxxxx> > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > --- > arch/x86/Kconfig | 2 +- > include/asm-generic/percpu.h | 12 ++---------- > init/main.c | 4 ++-- > kernel/module.c | 8 ++++++++ This broke powerpc (and presumably ia64 and sparc64) in current linux-2.6.git: | init/main.c:376: error: static declaration of 'setup_per_cpu_areas' follows non-static declaration | include2/asm/percpu.h:33: error: previous declaration of 'setup_per_cpu_areas' was here as the generic and x86-specific parts were integrated, while the powerpc/ia64/sparc64-specific parts are still missing. > 4 files changed, 13 insertions(+), 13 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index f0887d1..8e1b33c 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 c41b1a7..4b8d31c 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 5843fe9..3316dff 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 f6a4e72..bd60278 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; > - > To unsubscribe from this list: send the line "unsubscribe git-commits-head" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > With kind regards, Geert Uytterhoeven Software Architect Sony Network and Software Technology Center Europe The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@xxxxxxxxxxx Internet: http://www.sony-europe.com/ Sony Network and Software Technology Center Europe A division of Sony Service Centre (Europe) N.V. Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium VAT BE 0413.825.160 · RPR Brussels Fortis Bank Zaventem · Swift GEBABEBB08A · IBAN BE39001382358619
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