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Date: Mon, 25 Oct 2010 11:55:27 -0700 (PDT) From: David Miller <davem@...emloft.net> To: namhyung@...il.com Cc: sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/3] sparc32: remove CONFIG_HAVE_PERF_EVENTS option From: Namhyung Kim <namhyung@...il.com> Date: Tue, 26 Oct 2010 01:31:19 +0900 > 2010-10-25 (¿ù), 08:59 -0700, David Miller: >> From: Namhyung Kim <namhyung@...il.com> >> Date: Tue, 26 Oct 2010 00:52:37 +0900 >> >> > Remove HAVE_PERF_EVENTS and PERF_USE_VMALLOC under config >> > SPARC because they're under SPARC64 too. Supporting >> > perf_event needs atomic64 operations but AFAIK sparc32 >> > doesn't provide them, CMIIW. ;-) Also removes redundant >> > HAVE_IRQ_WORK line. >> > >> > Signed-off-by: Namhyung Kim <namhyung@...il.com> >> >> The generic non-hw perf event stuff builds fine on sparc32, >> please don't remove this unless you have a legitimate build >> failure to report and fix. >> >> Even if sparc32 doesn't provide atomic64_t support, it very >> easily could do so using include/asm-generic/atomic64.h which >> implements them using spinlocks. > > Now I see following build failure without this patch. Maybe some work is > needed to deal with atomic64_t. I'll try to prepare for it soon. Thanks. Nevermind, I see the issue. Ok, your patch is fine: Acked-by: David S. Miller <davem@...emloft.net> -- 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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