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Wed, 27 Aug 2025 12:41:31 -0700 (PDT) Received: from localhost ([2a00:79e0:2e14:7:36f6:f0a2:9401:263d]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-2466889e11csm128094265ad.155.2025.08.27.12.41.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Aug 2025 12:41:30 -0700 (PDT) Date: Wed, 27 Aug 2025 12:41:28 -0700 From: Brian Norris To: Johannes Berg Cc: Richard Weinberger , Anton Ivanov , linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, David Gow , Sinan Nalkaya Subject: Re: [PATCH] um: Support SPARSE_IRQ Message-ID: References: <20250825212031.111027-1-briannorris@chromium.org> <155ce30d5fad5a444f72b681eb096418384542b3.camel@sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <155ce30d5fad5a444f72b681eb096418384542b3.camel@sipsolutions.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250827_124132_188932_5BAA61AD X-CRM114-Status: GOOD ( 14.37 ) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Wed, Aug 27, 2025 at 09:38:17PM +0200, Johannes Berg wrote: > On Mon, 2025-08-25 at 14:19 -0700, Brian Norris wrote: > > > > +#ifdef CONFIG_SPARSE_IRQ > > +int __init arch_probe_nr_irqs(void) > > > > Is there much point in the ifdef if it's anyway always going to be > enabled due to the 'select'? Oh, good question. No, I don't see much point. I think I was waffling about the MAY_HAVE_SPARSE_IRQ question, but if we go with 'select SPARSE_IRQ' as proposed, I should probably drop the #ifdef. Will send v2 if that's the only question/request. Brian