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Re: [PATCH -tip ] [BUGFIX] perf probe: Add a workaround for GCC -mfentry
- From: Andi Kleen <andi at firstfloor dot org>
- To: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>
- Cc: Arnaldo Carvalho de Melo <acme at infradead dot org>, Ingo Molnar <mingo at elte dot hu>, Steven Rostedt <rostedt at goodmis dot org>, Michal Marek <mmarek at suse dot cz>, Andi Kleen <andi at firstfloor dot org>, Peter Zijlstra <a dot p dot zijlstra at chello dot nl>, linux-kernel at vger dot kernel dot org, Ingo Molnar <mingo at redhat dot com>, Paul Mackerras <paulus at samba dot org>, systemtap at sourceware dot org, yrl dot pp-manager dot tt at hitachi dot com
- Date: Wed, 3 Oct 2012 14:27:39 +0200
- Subject: Re: [PATCH -tip ] [BUGFIX] perf probe: Add a workaround for GCC -mfentry
- References: <20121003121707.4186.28696.stgit@ltc138.sdl.hitachi.co.jp>
On Wed, Oct 03, 2012 at 09:17:07PM +0900, Masami Hiramatsu wrote:
> Add a workaround for GCC -mfentry option. This enables perf
> probe to find function parameters(arguments) at given function
> entry point again.
Could you please file a gcc PR about this?
-Andi