Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753916Ab0KZDEV (ORCPT ); Thu, 25 Nov 2010 22:04:21 -0500 Received: from mail-gy0-f174.google.com ([209.85.160.174]:62286 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753676Ab0KZDES (ORCPT ); Thu, 25 Nov 2010 22:04:18 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=BRDa8UfYgN+8nlHi+qnuatPIc3Ul+C9dUE8UdbcARlSdeUcNBGuE1HVtqUEgYK/OwU HZ0xOPlIUsV/QGhSpNp8TsfloA1WZco7Oi6Rtg368Aouoh2uvK9LYeW11gVGZ3la/Fez BB2iC6jIkoxOl/2ES0FdyJV8qM9ul1Y/TUPbE= From: Deng-Cheng Zhu To: ralf@linux-mips.org, a.p.zijlstra@chello.nl, fweisbec@gmail.com, will.deacon@arm.com Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, wuzhangjin@gmail.com, paulus@samba.org, mingo@elte.hu, acme@redhat.com, dengcheng.zhu@gmail.com Subject: [PATCH v2 5/5] MIPS/Perf-events: Use unsigned delta for right shift in event update Date: Fri, 26 Nov 2010 11:05:07 +0800 Message-Id: <1290740707-32586-6-git-send-email-dengcheng.zhu@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1290740707-32586-1-git-send-email-dengcheng.zhu@gmail.com> References: <1290740707-32586-1-git-send-email-dengcheng.zhu@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1044 Lines: 32 Leverage the commit for ARM by Will Deacon: 446a5a8b1eb91a6990e5c8fe29f14e7a95b69132 ARM: 6205/1: perf: ensure counter delta is treated as unsigned Acked-by: Will Deacon Signed-off-by: Deng-Cheng Zhu --- arch/mips/kernel/perf_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c index 8f7d2f8..a824485 100644 --- a/arch/mips/kernel/perf_event.c +++ b/arch/mips/kernel/perf_event.c @@ -169,7 +169,7 @@ static void mipspmu_event_update(struct perf_event *event, unsigned long flags; int shift = 64 - TOTAL_BITS; s64 prev_raw_count, new_raw_count; - s64 delta; + u64 delta; again: prev_raw_count = local64_read(&hwc->prev_count); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/