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 125C2107BCD9 for ; Fri, 13 Mar 2026 19:35:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To :Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sYq83uFtLLGZ1lI5GvwWr81tevFEw8ZC9cOkeQuGfWk=; b=p3lrlYm2PaUBeNYZ717DczSDaU GnxkGMULMEfNJK5p9LarA5oN1wFbcv1Dkny/KoP3NqXqtBwq79DIiZCcak/UIRXCQg8Oz79FQyD2M fACXGra5b7GWx4x9Z4QYJb77J5RkdzFL9oLtDKimqn/a/uMhb++JWMohx8Ae3+73nNhaxZH4QHCVQ idtbfUwfkp60hJ3W2AtHf+Q/qgNuvgmsXr0Juo5+87Rny0+yzE7AYn+1DrGXO5/aF08WX+At/LMJ6 dZHdY8Zsx3w7eVcCb4NPuenr7ecWtkGGWxU1C15wwvVuGuqaojxZQ/3zxKQpQXzihx/qKaNVyjKDq tXRSKyBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w18I3-000000014sB-1HlC; Fri, 13 Mar 2026 19:35:19 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w18I1-000000014rY-0W63 for linux-arm-kernel@lists.infradead.org; Fri, 13 Mar 2026 19:35:18 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 177FD1758; Fri, 13 Mar 2026 12:35:07 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id BA6993F694; Fri, 13 Mar 2026 12:35:10 -0700 (PDT) Date: Fri, 13 Mar 2026 19:35:08 +0000 From: Catalin Marinas To: Barry Song <21cnbao@gmail.com> Subject: Re: [PATCH v3 1/5] arm64: Provide dcache_by_myline_op_nosync helper Message-ID: References: <20260228221125.59863-1-21cnbao@gmail.com> <20260228221216.59886-1-21cnbao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260228221216.59886-1-21cnbao@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260313_123517_221940_24561D4F X-CRM114-Status: UNSURE ( 7.75 ) X-CRM114-Notice: Please train this message. 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: , Cc: Tangquan Zheng , Barry Song , Ryan Roberts , Leon Romanovsky , Anshuman Khandual , robin.murphy@arm.com, Xueyuan Chen , linux-kernel@vger.kernel.org, Suren Baghdasaryan , iommu@lists.linux.dev, Marc Zyngier , will@kernel.org, Ard Biesheuvel , linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Mar 01, 2026 at 06:12:16AM +0800, Barry Song wrote: > From: Barry Song > > dcache_by_myline_op ensures completion of the data cache operations for a > region, while dcache_by_myline_op_nosync only issues them without waiting. > This enables deferred synchronization so completion for multiple regions > can be handled together later. > > Cc: Leon Romanovsky > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Marek Szyprowski > Cc: Robin Murphy > Cc: Ada Couprie Diaz > Cc: Ard Biesheuvel > Cc: Marc Zyngier > Cc: Anshuman Khandual > Cc: Ryan Roberts > Cc: Suren Baghdasaryan > Cc: Tangquan Zheng > Tested-by: Xueyuan Chen > Signed-off-by: Barry Song Reviewed-by: Catalin Marinas