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[173.79.60.52]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9364a5b5f59sm93592285a.47.2026.08.04.23.55.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 23:55:12 -0700 (PDT) Date: Wed, 5 Aug 2026 02:55:10 -0400 From: Gregory Price To: Richard Cheng Cc: Dave Jiang , dave@stgolabs.net, jic23@kernel.org, alison.schofield@intel.com, vishal.l.verma@intel.com, djbw@kernel.org, iweiny@kernel.org, ming.li@zohomail.com, rrichter@amd.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, sreddym@nvidia.com, smadhavan@nvidia.com, kaihengf@nvidia.com, kobak@nvidia.com, newtonl@nvidia.com, kristinc@nvidia.com, mochs@nvidia.com Subject: Re: [PATCH] cxl/region: Restore passthrough decoder enable on region re-assembly Message-ID: References: <20260727103743.63343-1-icheng@nvidia.com> <210c8742-08db-4401-80eb-9ad9a8c14054@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Aug 05, 2026 at 02:21:05PM +0800, Richard Cheng wrote: > On Tue, Jul 28, 2026 at 07:25:09AM +0800, Dave Jiang wrote: > > So I re-tested those operations on v7.0-rc2 kernel without the patch, we find out > > 0a70b7cd397e ("cxl: Test CXL_DECODER_F_LOCK as a bitmask") > > This patch is not needed, and Gregory is right that intermediate decoders should stay locked and > not have F_ENABLE cleared on teardown. > Makes sense to me, it will look a little funky but auto decoders already got that funk all over them so it is what it is. :] ~Gregory