From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 720C9606D81E for ; Thu, 5 Nov 2026 21:34:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=wqRsDMUw; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=EL3/zERs DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc: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-Unsubscribe-Post:List-Owner; bh=xfM3oTZbA9GZfIiLkeTZfWkJk5oDQ4tBo9T8XwJOZPU=; b=wqRsDMUwWxjcR+PZlyJ6PRW19/ oyTO5TGF2FuT2Rn1S3R4DEMc4qH1uH+ZDqDnuk/CEK+U/YSLxE4saAU5mX0Q/xyoIWhHYBiE4rO9x +XK88u8CZsk8juk0NQ3VLMa7avp7enXpdUeF8CZy7Dyq/wFX35zJBidaX1L+6/qewyAhvuiBlfeOh opnYZ+V4Lgvg/Tr3R36SIBNWOH0ATOUcwUJaksnyEr9SZF6PC/SqUmXLy57/VJGD/bgIyNvRqvt2o tAxB4R12+zkVHIENQshdbbpz6+JmyZKQcme97M6/N24bYiNePm1pTb+PXrjnJdW1kk0mlpQMcJbs5 f4CorwqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP56d-0000000Akbr-3FDs; Thu, 05 Nov 2026 21:34:47 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP56d-0000000AkbV-0QyZ for linux-nvme@lists.infradead.org; Thu, 05 Nov 2026 21:34:47 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 4525F605D7; Thu, 5 Nov 2026 21:34:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 896461F008A3; Thu, 5 Nov 2026 21:34:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793914486; bh=xfM3oTZbA9GZfIiLkeTZfWkJk5oDQ4tBo9T8XwJOZPU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=EL3/zERsH+cbk7IV/pDuFDuqpTebsPKLJGaF5sFwfHJ2pqeVL98PBgNHgWNyA84u/ ECLQx00rP21PC3k2HGylRrt7lO0S6DluhRxAS+z9wYF0qMl4mGLKyAf/WMRv7VcLUS n9RUd/Qv92d924lZUTbrtjeRSw1vlasbgnYveeTzeDEFcFyEJhg+X+m96p9sFJYq77 y5Tbn7sPUBKGk2eB1KMVHCZ9phZtsQwN9V9xOLTNRM7a3ApQyE4G+6jQcBgQcJkB4n T/5LUXvkwtzW0808JaKfNJ/uukppKrBy+VksxTsQCYbyOFSTIpsg+FkPpoUgoxMRTV oCAYZbG9eqZ4w== Date: Thu, 5 Nov 2026 14:34:44 -0700 From: Keith Busch To: Bjorn Helgaas Cc: Keith Busch , tglx@kernel.org, bhelgaas@google.com, maz@kernel.org, lrizzo@google.com, hch@lst.de, changfengnan@bytedance.com, namjain@linux.microsoft.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH 2/2] PCI/MSI: Implement irq_mask_noflush() for MSI-x Message-ID: References: <20261105182706.3700908-3-kbusch@meta.com> <20261105194116.GA1553387@bhelgaas> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261105194116.GA1553387@bhelgaas> X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, Nov 05, 2026 at 01:41:16PM -0600, Bjorn Helgaas wrote: > On Thu, Nov 05, 2026 at 10:27:06AM -0800, Keith Busch wrote: > > From: Keith Busch > > > > Skip the read-back that flushes the MSI-x mask write. Parent domains > > that mask on behalf of PCI/MSI keep using their own irq_mask(). > > When you respin it, > > s/MSI-x/MSI-X/ to match spec usage Oh, sorry, the messages crosses on the wire so the v2 retains the MSI-x syntax. I can respin it, but don't want to rapid fire another version.