From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A431C88E75 for ; Tue, 15 Sep 2026 12:45:01 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hkhYf1YV6z30Vf; Tue, 15 Sep 2026 22:44:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789473658; cv=none; b=EgdRWLQsGL0cz3COwN1TmiPIknuKoQWh7PRO+FPTMxol1tf2bY4qIPMCTqb1p4NZIm1KAbAOTt1pv8nu80fuKWFkpo6kpo9HLZT9o/MvbLBdF9h4YZLVy9xJfYxhrLDlVT8l0huStXlVajFC4BB5wB0+s9NPEhfABfM90zaxmR2V/dw9LGwSsrmtKHNCid3sQsa5161s18EMyjevltpp2KV8WD6Zvcw4/xvKN9OImD12bKdnZ0ne0om7LIv3f24QzXGg75fwtkBuMQFC6CjDJmowA/gAFuD5UQoI4K9rTdv6GPWpkw0+K7YMAzAxn5M6U/IWUwwsJnkuDxGGIFeTbw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789473658; c=relaxed/relaxed; bh=MldQSLt+lfDM6akgn8f71Sps4Op9V02KPlLk0XcZRhc=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=T5knQVupnPVp2XsmDJnHoKX1dv8Rq16VVAamMbR7Uqrj/ZZJ8Gi7Vg2Uo3jGRHp0NKaUyqPmZDvGhx+zvMqD+IdZ9VbN3eOpe1DCg9+hLk6yQD/6kbDBvZ8jFjExLztIXbyzHzewYTOeF4UzNjUser/kNMiGhAq2gtV+Ah09MptBGsYNX+bztNJvX3wivZ8PX0miXW8MsG750X5Q8zwVgMUDw0HXHdXTqjwP1KGIql2511iJ4Mh4DIJM0jQhYOFUiN20z8FUH+Raj8lBp/hWZp/ZSayOrb7GOw2n5blYq3LqU/OYcnOjTZFNBh3LirozruHO8c2WCYqrYgmwZS6jsQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=TYtZVg6I; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=sashiko-bot@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=TYtZVg6I; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=sashiko-bot@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4hkgZy2LYZz2y8F for ; Tue, 15 Sep 2026 22:00:58 +1000 (AEST) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 389B141B2F; Tue, 15 Sep 2026 12:00:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AE4C1F000FF; Tue, 15 Sep 2026 12:00:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789473656; bh=MldQSLt+lfDM6akgn8f71Sps4Op9V02KPlLk0XcZRhc=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=TYtZVg6I4Bh2MSIVyOp4GLsBjyldHMWNSOFvEULmB/p14azRXWqSnww77YB7+TPqN ScvufVzu/TJTXHoXtbu6nkMmHWq4H4dMpP1MqQSi0Nmrto4rdEsiZifxC0Gp3ctWOs gVm0pQG3DVlsqt2P+zJAnwEEyISNTbCWqNK7nqDQbAM5w/PqbddR2Jr7q9aHUm+QFp 3CM71ghQDVb22etuVzHNdfC2YmQHMxeMwBg3BFoQVgyoGYCR1SeIZz2CuWCHLj4qhZ TcgsJSPylBVRit7lOZeS75JIgRGNA5o89jEC9Doqt4/emxXQvDifGb95FahnRJnIlz 1NumvA/sq5Uew== From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC POC 23/50] file: open-code receive_fd()'s immediate install Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" , "Linus Torvalds" Cc: "Michael S. Tsirkin" , linux-sh@vger.kernel.org, "Peter Zijlstra" , linux-openrisc@vger.kernel.org, "Ingo Molnar" , linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-hyperv@vger.kernel.org, "Alexander Viro" , "Jens Axboe" , linuxppc-dev@lists.ozlabs.org, linux-hexagon@vger.kernel.org, sparclinux@vger.kernel.org, kexec@lists.infradead.org, linux-gpio@vger.kernel.org, kvm@vger.kernel.org, "Jan Kara" , linux-fsdevel@vger.kernel.org, linux-csky@vger.kernel.org, =?utf-8?b?Q2hyaXN0aWFuIEJyYXVuZXIgKEFtdXRhYmxlKQ==?= , "Eugenio Perez" , virtualization@lists.linux.dev, "Jann Horn" , linux-mm@kvack.org, "Oleg Nesterov" , linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, io-uring@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, bpf@vger.kernel.org, "David Airlie" , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org In-Reply-To: <20260915-work-fd-reserve-unify-folded-v1-23-4d5217d6b246@kernel.org> References: <20260915-work-fd-reserve-unify-folded-v1-0-4d5217d6b246@kernel.org> <20260915-work-fd-reserve-unify-folded-v1-23-4d5217d6b246@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 15 Sep 2026 12:00:53 +0000 Message-Id: <20260915120054.5AE4C1F000FF@smtp.kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list > receive_fd() cannot defer to syscall exit as SECCOMP_IOCTL_NOTIF_ADDFD > installs into the target task and hands the number to the supervisor > and IORING_OP_FIXED_FD_INSTALL runs from an io_uring op. Open-code the > get_unused_fd_flags() + fd_install() it did through FD_PREPARE(). >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260915-work-fd-re= serve-unify-folded-v1-0-4d5217d6b246@kernel.org?part=3D23