From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932247AbbDHUaN (ORCPT ); Wed, 8 Apr 2015 16:30:13 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:40283 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753905AbbDHUaL (ORCPT ); Wed, 8 Apr 2015 16:30:11 -0400 From: Guenter Roeck To: Ralf Baechle Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, Guenter Roeck , Andy Lutomirski , David Daney Subject: [PATCH] mips: Fix build if PERF_EVENTS is configured Date: Wed, 8 Apr 2015 13:29:52 -0700 Message-Id: <1428524992-5979-1-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.1.0 X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020203.55258FD3.004D,ss=1,re=0.001,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.001 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: C_4847, X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 3 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mips builds fail in -next as follows if PERF_EVENTS is configured. kernel/built-in.o: In function `perf_sample_regs_user': kernel/events/core.c:4828: undefined reference to `perf_get_regs_user' The problem is caused by commit 3478e32c1545 ("MIPS: Add user stack and registers to perf.") in combination with commit 88a7c26af8da ("perf: Move task_pt_regs sampling into arch code"), which introduces perf_get_regs_user(). Cc: Andy Lutomirski Cc: David Daney Signed-off-by: Guenter Roeck --- Compile tested only. arch/mips/kernel/perf_regs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/mips/kernel/perf_regs.c b/arch/mips/kernel/perf_regs.c index 0451c4b..5b04454 100644 --- a/arch/mips/kernel/perf_regs.c +++ b/arch/mips/kernel/perf_regs.c @@ -58,3 +58,11 @@ u64 perf_reg_value(struct pt_regs *regs, int idx) return (s64)v; /* Sign extend if 32-bit. */ } + +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs, + struct pt_regs *regs_user_copy) +{ + regs_user->regs = task_pt_regs(current); + regs_user->abi = perf_reg_abi(current); +} -- 2.1.0