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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id af79cd13be357-87771129fdasm149560185a.6.2025.10.01.22.48.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Oct 2025 22:48:58 -0700 (PDT) Date: Thu, 2 Oct 2025 01:48:56 -0400 From: Gregory Price To: Vishal Aslot Cc: Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Li Ming , Peter Zijlstra , Dan Carpenter , Zijun Hu , "linux-cxl@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] cxl/hdm: allow zero sized committed decoders Message-ID: References: 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, Oct 01, 2025 at 08:37:26PM +0000, Vishal Aslot wrote: > @@ -1210,6 +1210,11 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm, > rc = init_hdm_decoder(port, cxld, target_map, hdm, i, > &dpa_base, info); > if (rc) { > + if (rc == -ENOSPC) { > + put_device(&cxld->dev); > + rc = 0; > + continue; > + } How do you suggest actually testing this? I briefly poked at this in QEMU trying to commit decoders, but i found myself incapable of exercising this path. > dev_warn(&port->dev, > "Failed to initialize decoder%d.%d\n", > port->id, i); > -- > 2.34.1