From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [patch] perf_event_open.2: 3.19 PERF_SAMPLE_REGS_INTR support Date: Mon, 2 Mar 2015 23:58:07 +0100 Message-ID: <20150302225807.GJ823@two.firstfloor.org> References: <20150228222605.GA13177@krava.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Vince Weaver Cc: Stephane Eranian , Jiri Olsa , "Michael Kerrisk (man-pages)" , linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, LKML , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Chuck Ebbert , Linus Torvalds , Andi Kleen List-Id: linux-man@vger.kernel.org > do not enable REGS_USER and REG_INTR at the same time > as REGS_USER will have REG_INTR values and > cannot be used for user stack unwinding If that's true it would be a bug. But I doubt it. The PEBS handler sets up its own pt_regs, so they should be independent. -Andi -- ak-VuQAYsv1563Yd54FQh9/CA@public.gmane.org -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html