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Date: Sun, 12 Aug 2012 16:47:31 +0200 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Fengguang Wu <fengguang.wu@...el.com> Cc: Greg Ungerer <gerg@...inux.org>, linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: Re: [PATCH] m68k: add generic atomic64_t support Hi Fengguang, On Sun, Aug 12, 2012 at 4:23 PM, Fengguang Wu <fengguang.wu@...el.com> wrote: > This fixes build errors like: > > fs/namespace.c:2290:1: error: unknown type name 'atomic64_t' > fs/namespace.c:2290:1: error: implicit declaration of function 'ATOMIC64_INIT' [-Werror=implicit-function-declaration] > fs/namespace.c:2290:1: error: initializer element is not constant > fs/namespace.c: In function 'alloc_mnt_ns': > fs/namespace.c:2299:2: error: implicit declaration of function 'atomic64_add_return' [-Werror=implicit-function-declaration] > Signed-off-by: Fengguang Wu <fengguang.wu@...el.com> > --- > arch/m68k/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > --- linux.orig/arch/m68k/Kconfig 2012-08-12 21:15:49.730533572 +0800 > +++ linux/arch/m68k/Kconfig 2012-08-12 22:19:56.202624988 +0800 > @@ -12,6 +12,7 @@ config M68K > select FPU if MMU > select ARCH_WANT_IPC_PARSE_VERSION > select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE > + select GENERIC_ATOMIC64 For several CPU types (68020/68030/68040/68080), this is already selected in arch/m68k/Kconfig.cpu So probably this select should be moved to cover more CPU types? For which config do you get this build error? I can't seem to trigger it in current mainline nor -next with m5475evb_defconfig. Does it depend on additional patches to introduce more atomic64 uses? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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