From: Peter Zijlstra <peterz@infradead.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] perf: Avoid horrible stack usage
Date: Wed, 17 Dec 2014 16:35:08 +0100 [thread overview]
Message-ID: <20141217153508.GC30905@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20141217143105.GG18257@krava.brq.redhat.com>
On Wed, Dec 17, 2014 at 03:31:05PM +0100, Jiri Olsa wrote:
> looks like we could also sanitize the perf_ftrace_function_call
> in the same way.. like below (untested)
>
> hum, I just noticed it actually has pt_regs arg ;-)
Bu if it has pt_regs should we not use that instead of filling one out
again?
next prev parent reply other threads:[~2014-12-17 15:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-16 11:50 [PATCH] perf: Avoid horrible stack usage Peter Zijlstra
2014-12-17 14:31 ` Jiri Olsa
2014-12-17 15:35 ` Peter Zijlstra [this message]
2014-12-17 15:45 ` Jiri Olsa
2014-12-18 14:08 ` [PATCH] perf ftrace: Factor regs retrieval for function tracer Jiri Olsa
2014-12-18 14:20 ` Peter Zijlstra
2014-12-18 14:28 ` Jiri Olsa
2014-12-18 15:10 ` Peter Zijlstra
2015-01-14 19:19 ` [tip:perf/core] perf: Avoid horrible stack usage tip-bot for Peter Zijlstra (Intel)
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