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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 67-20020a630046000000b003fe0466ea39si17011681pga.868.2022.06.28.01.52.25; Tue, 28 Jun 2022 01:52:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=SJisHhGG; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244927AbiF1I2F (ORCPT + 99 others); Tue, 28 Jun 2022 04:28:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344015AbiF1I1s (ORCPT ); Tue, 28 Jun 2022 04:27:48 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB6B35FA5 for ; Tue, 28 Jun 2022 01:27:47 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id jh14so10436989plb.1 for ; Tue, 28 Jun 2022 01:27:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7VhI4uV7Lz+ufbvONj+FhRzkoi1GG7X2XmgVe2YYPGA=; b=SJisHhGGPZGxc9IF/aBYFWosdJ6yDA8l8niRm1E1AFy9FPGtfDCPrKUVmTcwZ7yp4K sd3ellhkQ14xJ6vfFGwVsTmHDERE+FVuWLMHrKTp2+RFrxwCGbRXXEZf4nkQBU7zb/pt wSW1ylNAmWyQGP4MQM88qpPviXw9jUrNrW2vzT21ac5CH8ry1lwCDSJBHmBR0CZt5QOx Ht/WoLRUBaaPMj1Gdd8U4I94GPtPQdysm1OiAigfCNawCKK6iYD63d9UdHKPDoUSd8el BQTYBRVKITT1OFQcm+zIUHOm2SLgpuEylSEDaF7+K8JwbRgr71MocD6VpCXiYf2cQcV/ O8wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7VhI4uV7Lz+ufbvONj+FhRzkoi1GG7X2XmgVe2YYPGA=; b=dqqqnfuYux02+pfnWHziz/NpREPRcxMcqgpdRdQ1JP9+Z5NSPPUg1reiGGB2Z/UwOS u40lLwhC57uXlTLS/FC6bgSNm+O9Ev0n12YAYRhIkVcot2bDddjgsEENliR4Du1W2ddp m2ujaLcm7G9MbKW72qKgPYymlUahZoNJ05GDbY14ZMD4h2Cxjb4B9xZ9yYshhtUbBgFq v8Mg9L1CSdpgPl/nIj3P0SPiJfxbwC9oqfb5ioC31vNoZTDESpacJERLbCXvh4Gvk6NK dDH7A4ir9VqFEp1qmaVtssblLpNP1sTJZjzwMMWTYaeatnsT90ZU6RQ4JDY9WYdLz1U9 1nTQ== X-Gm-Message-State: AJIora+k+zHfGA+Ex8dQLt9/2zh7GiVCgjYqzmyv9xbNCke9VXNGHgT4 pIXJazsli19YTO3n3oKJY/A= X-Received: by 2002:a17:90b:1d06:b0:1ec:cd94:539b with SMTP id on6-20020a17090b1d0600b001eccd94539bmr20129991pjb.215.1656404867267; Tue, 28 Jun 2022 01:27:47 -0700 (PDT) Received: from desktop-hypoxic.kamiya.io ([42.120.103.58]) by smtp.gmail.com with ESMTPSA id x2-20020a170902b40200b001675d843332sm8599262plr.63.2022.06.28.01.27.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jun 2022 01:27:45 -0700 (PDT) From: Yangxi Xiang To: Jiri Slaby Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Johan Hovold , Igor Matheus Andrade Torrente , Christian Borntraeger , nick black Subject: Re: [PATCH] vt: fix memory overlapping when deleting chars in the buffer Date: Tue, 28 Jun 2022 16:27:40 +0800 Message-Id: <20220628082740.4685-1-xyangxi5@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <10b4e5f7-95b9-38e6-bcd5-1132d595301c@kernel.org> References: <10b4e5f7-95b9-38e6-bcd5-1132d595301c@kernel.org> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Why not to use memmove in both cases? I.e. simply switch scr_memcpyw to > scr_memmovew? Both of them works, and I pick one of them. Yangxi Xiang