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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E2860C352AB for ; Fri, 27 Sep 2019 03:03:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B94F2208C3 for ; Fri, 27 Sep 2019 03:03:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569553396; bh=1xp6jXQw6QmaMFMbYAUaFcPgQ6zsmGdlTLA/DF77qmE=; h=From:To:Cc:Subject:Date:List-ID:From; b=cTT1fZO/7ZS2gafCF4fUpGoeCe6UrkIx/UMX3r2/uPnkRMtp37GSA4LKRU4z7I9df 9lBvYH1zhwGHcb4+i2MYxkKmyXk2fs+AaZrND36QNlfP1URnFFohoMG+Mw9H9fsy1f HVK317LI1P1B5n6gMBv5RU6Gv226wKrEZ1K85OaI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728925AbfI0DDQ (ORCPT ); Thu, 26 Sep 2019 23:03:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:34666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727794AbfI0DDP (ORCPT ); Thu, 26 Sep 2019 23:03:15 -0400 Received: from guoren-Inspiron-7460.lan (unknown [223.93.147.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 34447207FF; Fri, 27 Sep 2019 03:03:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569553395; bh=1xp6jXQw6QmaMFMbYAUaFcPgQ6zsmGdlTLA/DF77qmE=; h=From:To:Cc:Subject:Date:From; b=0xunrN9hh2ukZUHvWT5t+tXHyS3+GAgeBCeL+3BZqrrlvxgJcdtrFf5By1GhhvQUw k+fL0GAO3xkl0dGDWVZMPVbCbCkWj+5q8vg4r6NLRS7cXHIF0ZALIMhtAioKhEmSey T3P/e6+DvxdNKsTaxqpqCiHRsh2WKo7gnw3Hx7T4= From: guoren@kernel.org To: arnd@arndb.de Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-csky@vger.kernel.org, Mao Han , Guo Ren Subject: [PATCH] csky: Fixup csky_pmu.max_period assignment Date: Fri, 27 Sep 2019 11:02:59 +0800 Message-Id: <1569553379-11327-1-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mao Han The csky_pmu.max_period has type u64, and BIT() can only return 32 bits unsigned long on C-SKY. The initialization for max_period will be incorrect when count_width is bigger than 32. Use BIG_ULL() Signed-off-by: Mao Han Signed-off-by: Guo Ren --- arch/csky/kernel/perf_event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c index 4c1a193..7570109 100644 --- a/arch/csky/kernel/perf_event.c +++ b/arch/csky/kernel/perf_event.c @@ -1306,7 +1306,7 @@ int csky_pmu_device_probe(struct platform_device *pdev, &csky_pmu.count_width)) { csky_pmu.count_width = DEFAULT_COUNT_WIDTH; } - csky_pmu.max_period = BIT(csky_pmu.count_width) - 1; + csky_pmu.max_period = BIT_ULL(csky_pmu.count_width) - 1; csky_pmu.plat_device = pdev; -- 2.7.4