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Tue, 22 Sep 2026 04:16:53 -0700 (PDT) Date: Tue, 22 Sep 2026 11:16:52 +0000 In-Reply-To: <20260921165841.93EE21F000FF@smtp.kernel.org> Mime-Version: 1.0 References: <20260921165841.93EE21F000FF@smtp.kernel.org> X-Mailer: git-send-email 2.55.0.1082.g2b9226bbc0-goog Message-ID: <20260922111652.1024606-1-snehalreddy@google.com> Subject: Re: [PATCH 1/2] firmware: arm_ffa: Add FFA_FN64_MEM_RECLAIM2 function ID From: Snehal Koukuntla To: Sudeep Holla , Marc Zyngier , Oliver Upton Cc: Vincent Donnefort , Snehal Koukuntla , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260922_041657_038591_00560B47 X-CRM114-Status: GOOD ( 12.30 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 21, 2026 at 04:58:41PM +0000, sashiko-bot wrote: > [Severity: Low] > Does the missing 32-bit counterpart for FFA_FN64_MEM_RECLAIM2 break > FFA_FN_NATIVE() compatibility on 32-bit architectures? > > Every other FFA_FN64_ prefix in the header has a 32-bit counterpart. If > FFA_FN_NATIVE(MEM_RECLAIM2) is ever used on a 32-bit build, it will evaluate > to FFA_MEM_RECLAIM2 due to the architecture-conditional logic, which does > not exist here, and would cause a compilation failure. > > For 64-bit exclusive ABIs like FFA_MSG_SEND_DIRECT_REQ2, the convention > is to omit the FN64_ prefix entirely. Ack, I will rename this to FFA_MEM_RECLAIM2 in v2 to follow the existing convention for 64-bit-only ABIs in arm_ffa.h. Thanks, Snehal