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bh=dJsRLR/GkQ9y55O/CRKVyWEVz7Xo2QXtu4Qp1z7vboQ=; b=BumlTzJoaEazB1qg0hEMqrqLjk17pzwuyeAZCv8B4WQH/n5eEctgvA3WOsEaB+xaeEj+90 lQh/ds6d9BQaeYTOcnM0nd0ikZC+V/UWeMf6jAVNbdNT3av9BL7qrNoCMvqbdziHzy2m0z PN0XKqhnVwosi+iqtZ68xm76qYs0EvC29/02kJB5g/CQUvFBEl36w3PCVACLkAm9573ZUL 19qaTmLc/HKZ/RXQvhNYqUBF2jDQzytl3MhfR3nOPuqsge//c8VdtQUrnQT1N/9HG56kcC AXTqAmFjMJWgHN7ExlPSLGXBa2TdzK079Htko7R+C/ilxyUS0EXVvV1k+o4xDA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1602018384; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dJsRLR/GkQ9y55O/CRKVyWEVz7Xo2QXtu4Qp1z7vboQ=; b=q0LCsvJPrT9MflDeA3d4nXkFpjov+sYU6mnQ6FkKbfUFdxZE9G83qKg9++8n7MHXDg04nh 3YNP1h4k2nv0+eDg== To: David Woodhouse , x86@kernel.org Subject: Re: [PATCH 06/13] genirq: Add default_affinity argument to __irq_alloc_descs() In-Reply-To: <20201005152856.974112-6-dwmw2@infradead.org> References: <77e64f977f559412f62b467fd062d051ea288f14.camel@infradead.org> <20201005152856.974112-1-dwmw2@infradead.org> <20201005152856.974112-6-dwmw2@infradead.org> Date: Tue, 06 Oct 2020 23:06:23 +0200 Message-ID: <87o8lf5ak0.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Cc: Paolo Bonzini , iommu , linux-hyperv@vger.kernel.org, kvm X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, Oct 05 2020 at 16:28, David Woodhouse wrote: > From: David Woodhouse > It already takes an array of affinities for each individual irq being > allocated but that's awkward to allocate and populate in the case > where they're all the same and inherited from the irqdomain, so pass > the default in separately as a simple cpumask. So we need another cpumask argument exposed to the world just because it's so hard to extend struct irq_affinity_desc so it supports that use case as well. It's not written in stone that this struct can only support arrays. > Signed-off-by: David Woodhouse > --- > include/linux/irq.h | 10 ++++++---- > kernel/irq/devres.c | 8 ++++++-- > kernel/irq/irqdesc.c | 10 ++++++++-- > kernel/irq/irqdomain.c | 6 +++--- git grep __irq_alloc_descs() might help you to find _all_ instances ... Thanks, tglx _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu