From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C4E13B442B; Tue, 15 Sep 2026 12:00:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789473657; cv=none; b=RnIijoutlKG3raiVWP1lo6FXg74iXJ4PxL1LF0yizgRX6xWEumAECrgx7GfUtCwlAnCUgrYPu65JoefWDE39oLJ1ixnFLPvavE56hKgs0ZCRzkPB+yyNkRTzqZjzbhZxkjSkNJaWyaU0Hc2QyOyCYqvhhvelNBAjbHFNZ+jswj0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789473657; c=relaxed/simple; bh=MldQSLt+lfDM6akgn8f71Sps4Op9V02KPlLk0XcZRhc=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=W3fXaogXEnx6PD3UNWRN/9j7EbehOhzLNJuc9ereXiTti9p7vDHLoOtb9DjNJTJ1bbhmAIRlYM57U6kRKHZhG3358JaUiOM/9cJdhApU4ho9tt4Redl9mwJ8hGvKANon2Re7aPoWli/PkEcHYR69IVA3HxS+kfJ2W6VUFz0mcwQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TYtZVg6I; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TYtZVg6I" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > 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