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[2620:137:e000::3:2]) by mx.google.com with ESMTPS id bq9-20020a056a02044900b005b980391aacsi879299pgb.270.2023.10.31.04.18.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Oct 2023 04:18:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=0SnFDTNY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 8C2A680BD52C; Tue, 31 Oct 2023 04:18:33 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230457AbjJaLSY (ORCPT + 99 others); Tue, 31 Oct 2023 07:18:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229974AbjJaLSX (ORCPT ); Tue, 31 Oct 2023 07:18:23 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AA8697 for ; Tue, 31 Oct 2023 04:18:21 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E680C433C8; Tue, 31 Oct 2023 11:18:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1698751100; bh=FrkgzgA5lVgOv9L7nzUu3Pnkn7b1h5ivphcK2rmy0/k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0SnFDTNYaKYCbdOzEos6VTDFSfwrsP68TOPQnm1RW6NlEHxCMLjW5JSmUoK5ya9Yn wvsTROrz11Ki59JxvLNnYJdmRMpdVzi6WC2gjr3O2xq6Rd0NE5r/0OMIHmdM+ucQvJ c0k+YQyEE43MNueByonhQ6Zw4tfdwPoxruNsrMr4= Date: Tue, 31 Oct 2023 12:18:17 +0100 From: Greg KH To: Jinjie Ruan Cc: catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4.19] arm64: fix a concurrency issue in emulation_proc_handler() Message-ID: <2023103103-revision-gigantic-cc05@gregkh> References: <20231030063709.2443546-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231030063709.2443546-1-ruanjinjie@huawei.com> X-Spam-Status: No, score=-1.3 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 31 Oct 2023 04:18:33 -0700 (PDT) On Mon, Oct 30, 2023 at 06:37:09AM +0000, Jinjie Ruan wrote: > In linux-6.1, the related code is refactored in commit 124c49b1b5d9 > ("arm64: armv8_deprecated: rework deprected instruction handling") and this > issue was incidentally fixed. I have adapted the patch set to linux stable > 5.10. However, 4.19 and 5.10 are too different and the patch set is > hard to adapt to 4.19. This is also needed for 5.4.y, right? Now queued up for both. thanks, greg k-h