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Date: Fri, 21 May 2010 12:24:37 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Frederic Weisbecker <fweisbec@...il.com> Cc: LKML <linux-kernel@...r.kernel.org>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>, Arnaldo Carvalho de Melo <acme@...hat.com>, David Miller <davem@...emloft.net> Subject: Re: [PATCH 2/2] perf: Drop the skip argument from perf_arch_fetch_regs_caller On Fri, 2010-05-21 at 10:11 +0200, Frederic Weisbecker wrote: > +static inline void perf_fetch_caller_regs(struct pt_regs *regs) > { > - unsigned long ip; > - > memset(regs, 0, sizeof(*regs)); btw, do we really need that memset? As long as we don't actually copy out to userspace, it really doesn't matter what is in there, and we should be setting all relevant registers anyway. -- 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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