From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF520C4742C for ; Tue, 10 Nov 2020 12:46:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 758ED207BB for ; Tue, 10 Nov 2020 12:46:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="K7+dEAI+"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="0ijBzOEK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731671AbgKJMp5 (ORCPT ); Tue, 10 Nov 2020 07:45:57 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:58230 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728478AbgKJMpW (ORCPT ); Tue, 10 Nov 2020 07:45:22 -0500 Date: Tue, 10 Nov 2020 12:45:19 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1605012320; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NtnXMzSzaOPu6h0vfEVKJleqFYSEHIqAn/XWEwy7Tt0=; b=K7+dEAI+/iKRGS7f5+440hfLW3fgkEmKmNu0LXSGiIasWkbfCVIDZNxKvsQ4DiX9j6Y2ZW z9ie5vWHQxB/iVGoP8dDaF71DKRA8zp0F30Tb3yJ7OSOYL3AfE15ZfTjkmWOHDHsmzYrgi +F2/8B/a6mrbFG3S1gRZsZT/sekHiYhMdeb3QscZQW5uDdOo+Jj9HaFEeqJdYF3t2BxqeA zj9HZigrzf6/ETvhHCp13P5NU7sued5/XmDcB8rt1WtbVnZr2u+cV9UUaez8S78QQL2WjL m1aZ6z2FOextKDFW5BcSu6zb3k1pwcssxL2Pja8iP1kODUMPGyVxnJKQnRE0cQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1605012320; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NtnXMzSzaOPu6h0vfEVKJleqFYSEHIqAn/XWEwy7Tt0=; b=0ijBzOEKdpug6/IA36yTpDgBD7TrJxMyI6Se/B2C3aef76EuyUdJQmc2C3M1DREnRP69em MO62UIsLGe+58AAg== From: "tip-bot2 for Peter Zijlstra" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/urgent] perf/x86: Make dummy_iregs static Cc: Steven Rostedt , "Peter Zijlstra (Intel)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20201030151955.324273677@infradead.org> References: <20201030151955.324273677@infradead.org> MIME-Version: 1.0 Message-ID: <160501231994.11244.6830281963445643876.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Archived-At: List-Archive: List-Post: The following commit has been merged into the perf/urgent branch of tip: Commit-ID: e506d1dac0edb2df82f2aa0582e814f9cd9aa07d Gitweb: https://git.kernel.org/tip/e506d1dac0edb2df82f2aa0582e814f9cd9aa07d Author: Peter Zijlstra AuthorDate: Fri, 30 Oct 2020 12:15:06 +01:00 Committer: Peter Zijlstra CommitterDate: Mon, 09 Nov 2020 18:12:35 +01:00 perf/x86: Make dummy_iregs static Having pt_regs on-stack is unfortunate, it's 168 bytes. Since it isn't actually used, make it a static variable. This both gets if off the stack and ensures it gets 0 initialized, just in case someone does look at it. Reported-by: Steven Rostedt Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20201030151955.324273677@infradead.org --- arch/x86/events/intel/ds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 276b29d..b47cc42 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -1738,7 +1738,7 @@ __intel_pmu_pebs_event(struct perf_event *event, struct x86_perf_regs perf_regs; struct pt_regs *regs = &perf_regs.regs; void *at = get_next_pebs_record_by_bit(base, top, bit); - struct pt_regs dummy_iregs; + static struct pt_regs dummy_iregs; if (hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) { /*