Messages in this thread | | | Date | Wed, 3 Apr 2024 10:58:31 +0100 | Subject | Re: [PATCH] arm64: remove redundant 'extern' | From | Steven Price <> |
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On 02/04/2024 11:01, Mark Rutland wrote: > On Wed, Mar 27, 2024 at 11:24:39AM +0000, Steven Price wrote: >> It isn't necessary to mark function definitions extern and goes against >> the kernel coding style. Remove the redundant extern keyword. >> >> Signed-off-by: Steven Price <steven.price@arm.com> > > We (unfortunately) have extern misused in a number of places: > > | [mark@lakrids:~/src/linux]% git grep 'extern.*(' -- arch/arm64/include | cut -d: -f 1 | uniq -c > | 11 arch/arm64/include/asm/cacheflush.h > | 1 arch/arm64/include/asm/checksum.h > | 1 arch/arm64/include/asm/cpu_ops.h > | 4 arch/arm64/include/asm/cpufeature.h > | 2 arch/arm64/include/asm/efi.h > | 2 arch/arm64/include/asm/elf.h > | 1 arch/arm64/include/asm/exec.h > | 1 arch/arm64/include/asm/fixmap.h > | 48 arch/arm64/include/asm/fpsimd.h > | 3 arch/arm64/include/asm/ftrace.h > | 10 arch/arm64/include/asm/hugetlb.h > | 11 arch/arm64/include/asm/hw_breakpoint.h > | 6 arch/arm64/include/asm/io.h > | 4 arch/arm64/include/asm/kexec.h > | 1 arch/arm64/include/asm/kgdb.h > | 16 arch/arm64/include/asm/kvm_asm.h > | 3 arch/arm64/include/asm/kvm_host.h > | 11 arch/arm64/include/asm/kvm_hyp.h > | 2 arch/arm64/include/asm/kvm_pkvm.h > | 2 arch/arm64/include/asm/memory.h > | 8 arch/arm64/include/asm/mmu.h > | 2 arch/arm64/include/asm/page.h > | 1 arch/arm64/include/asm/percpu.h > | 2 arch/arm64/include/asm/perf_event.h > | 2 arch/arm64/include/asm/pgalloc.h > | 18 arch/arm64/include/asm/pgtable.h > | 3 arch/arm64/include/asm/pointer_auth.h > | 3 arch/arm64/include/asm/proc-fns.h > | 2 arch/arm64/include/asm/processor.h > | 3 arch/arm64/include/asm/ptrace.h > | 12 arch/arm64/include/asm/smp.h > | 1 arch/arm64/include/asm/stacktrace.h > | 14 arch/arm64/include/asm/string.h > | 2 arch/arm64/include/asm/suspend.h > | 1 arch/arm64/include/asm/system_misc.h > | 6 arch/arm64/include/asm/uaccess.h > > ... so it'd probably be best to make the commit title more specific to this > instance, and maybe go clean those up in bulk as a series to avoid a steady > stream of copycat patches.
Ah, I hadn't gone looking that closely - I'll do a series updating the arch/arm64/include ones (thanks for the list ;) ), and I'll include an updated version of this patch, with a clearly commit title, in the series.
Thanks,
Steve
> Mark. > >> --- >> arch/arm64/include/asm/fixmap.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h >> index 87e307804b99..75b22b89db1a 100644 >> --- a/arch/arm64/include/asm/fixmap.h >> +++ b/arch/arm64/include/asm/fixmap.h >> @@ -107,7 +107,7 @@ void __init early_fixmap_init(void); >> #define __late_set_fixmap __set_fixmap >> #define __late_clear_fixmap(idx) __set_fixmap((idx), 0, FIXMAP_PAGE_CLEAR) >> >> -extern void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot); >> +void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot); >> >> #include <asm-generic/fixmap.h> >> >> -- >> 2.34.1 >> >>
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