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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5E522C88E53 for ; Tue, 15 Sep 2026 11:54:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 556E96B00B6; Tue, 15 Sep 2026 07:54:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 508F66B00B8; Tue, 15 Sep 2026 07:54:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 446146B00B9; Tue, 15 Sep 2026 07:54:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 1E1246B00B6 for ; Tue, 15 Sep 2026 07:54:12 -0400 (EDT) Received: from smtpin24.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id A1672A537A for ; Tue, 15 Sep 2026 11:54:11 +0000 (UTC) X-FDA: 85215838302.24.9A4E87F Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf12.hostedemail.com (Postfix) with ESMTP id 013D940003 for ; Tue, 15 Sep 2026 11:54:09 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=dEjnjHjN; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf12.hostedemail.com: domain of sashiko-bot@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sashiko-bot@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789473250; b=xWYf82O+7jVUmhdsdltUpjnAFXRHTVCB2mdynGYppiu3u4YeuCFZU6ckzZitm0+CDOG8M/ KH2XjQkwk6eIt2mVwR6d1tlZHT+YOeAh57fFlkgnDvqal18IGjxqcto6lioSm36MDNyy5G QEQx4pgJaobMhuLCrzOVVUbB//gwjvk= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=dEjnjHjN; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf12.hostedemail.com: domain of sashiko-bot@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sashiko-bot@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789473250; h=from:from:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=rEaooNHHSzMvHYDvwYrru6UOPRcxabqKjG95OLRLlN8=; b=oPRz9xVxt/i7rAT1m29+u1EnkjC7HXhy2y6VYx4q3zS0qkNi1I1F4cz4Dbzx0w3uZjQ6q6 90siK6U1InPYR5GUMd1lck02J2BjppDbWRL6gdL5ZDz97LRrCJfc4c8aS9C6yEFswS6yPd z/kc8vXU5NVrRvnIbTatosxsKNgvhZI= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 4552C43CEC; Tue, 15 Sep 2026 11:54:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E8371F000FF; Tue, 15 Sep 2026 11:54:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789473249; bh=rEaooNHHSzMvHYDvwYrru6UOPRcxabqKjG95OLRLlN8=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=dEjnjHjNvNIuSaPYTHfj4KVcRdWnf0KMr5ngwYgP13UVEN4ixsOjP/LGTY00a1F7i SrECUFxW1WISw+Sb9e943yH6GxglJXZz6/98X328DvWbvebyYY0VweNP2I8cG1QByw Gji9eMFm2AAVp7PkwCHxT4RdIR9rAmD6kZzVeYGbasnMh8yVep7bz3ac2gDe5wmKNa E60wDWY0t8sIf7wr0+2mcu/fK44J9sYDVuZZ9raSVBw8fhzXy625/hIuVibz2cM1G1 heryhbL45TCscgniXJxfFQxgFi5MNZtk5vPFvLwJbiB9YO/wiDhzcHs+qEgelm4u1w O3GQp5W8DIzZw== From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC POC 19/50] file: require the syscall exit hook from every architecture Reply-To: sashiko-reviews@lists.linux.dev To: "Linus Torvalds" , "Christian Brauner" Cc: linux-gpio@vger.kernel.org, "Michael S. Tsirkin" , "Oleg Nesterov" , linux-sh@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, "Alexander Viro" , virtualization@lists.linux.dev, linux-um@lists.infradead.org, linux-mm@kvack.org, linux-snps-arc@lists.infradead.org, "David Airlie" , linux-arm-kernel@lists.infradead.org, "Peter Zijlstra" , linux-csky@vger.kernel.org, linux-hyperv@vger.kernel.org, "Ingo Molnar" , "Jan Kara" , linux-m68k@lists.linux-m68k.org, linux-parisc@vger.kernel.org, linux-hexagon@vger.kernel.org, "Jens Axboe" , linux-arm-msm@vger.kernel.org, =?utf-8?b?Q2hy?= =?utf-8?b?aXN0aWFuIEJyYXVuZXIgKEFtdXRhYmxlKQ==?= , kexec@lists.infradead.org, linux-openrisc@vger.kernel.org, bpf@vger.kernel.org, "Jann Horn" , linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "Eugenio Perez" , io-uring@vger.kernel.org In-Reply-To: <20260915-work-fd-reserve-unify-folded-v1-19-4d5217d6b246@kernel.org> References: <20260915-work-fd-reserve-unify-folded-v1-0-4d5217d6b246@kernel.org> <20260915-work-fd-reserve-unify-folded-v1-19-4d5217d6b246@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 15 Sep 2026 11:54:06 +0000 Message-Id: <20260915115407.5E8371F000FF@smtp.kernel.org> X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 013D940003 X-Stat-Signature: ub8dy386owbqf3x9jpytxtu8hkwo3ewg X-HE-Tag: 1789473249-177207 X-HE-Meta: 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 z+McxmvP 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Every architecture now either uses the generic entry code or provides > TIF_FD_SLOTS. The fallback that deferred without ever committing > can go. Make it a build error instead. A new architecture can't grow > fd_prepare() callers without the syscall exit hook. >=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=3D19