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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EB58EC77B7F for ; Sat, 6 May 2023 08:36:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Subject:Cc:To:From:Mime-Version: Message-ID:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=cJgJtLD/aqTmnFGOrimtWXaSQkVXWt6X2eleFlXpLd8=; b=z8s loN8CbHmTNnXXz20z5giyd3Oir+o/naMODkCFxKK4DiTfRZ6iCOBntlmDfaWleDK80hsJXY6qUlo0 R464rrjiA/197JeT2sjFOPwKEd//TX4vJSTjzFzleawT2SEbBXY9wUlWRZTDUQViNWMMkSCx8BDMV /XQQexWxDvCmQkEcAtTn8PUbv03ILG66vRaxjoMfIUvqnNvlIOEaZa/ufDYRh19Mtwi5XIGpQMdjM eU85ef3sEm1jvMwpWk4ZaQJgSNBp1v4lCL15boyilL9pZ+GGx9LE/aW+gVE59I4cWBBI/EQU/mphN VVdJtUWdYjm5odgH8F8HhOQL2WStWDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pvDOM-00Ctd1-2E; Sat, 06 May 2023 08:35:46 +0000 Received: from mxhk.zte.com.cn ([63.216.63.40]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pvDOG-00Ctbb-1Z for linux-arm-kernel@lists.infradead.org; Sat, 06 May 2023 08:35:42 +0000 Received: from mse-fl1.zte.com.cn (unknown [10.5.228.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4QD18Z4Cwvz8RTWg; Sat, 6 May 2023 16:35:26 +0800 (CST) Received: from xaxapp02.zte.com.cn ([10.88.97.241]) by mse-fl1.zte.com.cn with SMTP id 3468ZJaB010724; Sat, 6 May 2023 16:35:19 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp02[null]) by mapi (Zmail) with MAPI id mid31; Sat, 6 May 2023 16:35:22 +0800 (CST) Date: Sat, 6 May 2023 16:35:22 +0800 (CST) X-Zmail-TransId: 2afa6456114affffffffb0e-6c46c X-Mailer: Zmail v1.0 Message-ID: <202305061635221161194@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , Subject: =?UTF-8?B?W1BBVENIXSBBUk06IG1tOiB1c2UgYml0bWFwX3plcm8oKSBBUEk=?= X-MAIL: mse-fl1.zte.com.cn 3468ZJaB010724 X-Fangmail-Gw-Spam-Type: 0 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 6456114E.000/4QD18Z4Cwvz8RTWg X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230506_013540_693919_A9ECA20F X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Ye Xingchen bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero() instead of bitmap_clear(). Signed-off-by: Ye Xingchen --- arch/arm/mm/context.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 4204ffa2d104..2e95a707eb93 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -139,7 +139,7 @@ static void flush_context(unsigned int cpu) u64 asid; /* Update the list of reserved ASIDs and the ASID bitmap. */ - bitmap_clear(asid_map, 0, NUM_USER_ASIDS); + bitmap_zero(asid_map, NUM_USER_ASIDS); for_each_possible_cpu(i) { asid = atomic64_xchg(&per_cpu(active_asids, i), 0); /* -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel