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 CE7D3584966 for ; Fri, 11 Sep 2026 19:59:34 +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=1789156780; cv=none; b=ZDDmy/PgyrObp4EKYOgmm6/0KObMCB27/kYHq29W8+FOpawC632fb1gWeZfL9dGZTKrT68dmkPP50gZQrzDqiO9aiV4UCHW5dxOlHB8XSehX/yWztfPti/LZz3/+DQlrlaYTDlIsW6aAs9ML6VZt618dGUqxZBa+Bn3S6Rgfn0Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789156780; c=relaxed/simple; bh=rKusOAAtxW8+3T8pol/7JVoH2aIEHJ9BY90ryZx458c=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=Xqo8PkZ36xSp5Kr4N+S76EIrp2JNFjMZ1Z+IH3uR5dcP9JtlJWsoPmmyN5N7+8SnFtptAHPPzGYZ3UFN2pXJHNDKa9mKzwsMSqfSDjNceSaLKO46RC1GYmCZENv8w6Ie5fF2+Gf0k9DfHOlt2p3HNupzCxxZAVZsMdol8SXdVV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fhTXqaL0; 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="fhTXqaL0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E3FC1F000FF; Fri, 11 Sep 2026 19:59:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789156774; bh=rKusOAAtxW8+3T8pol/7JVoH2aIEHJ9BY90ryZx458c=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=fhTXqaL0joBu7RJevxczpZl8+NhwMofd82+H04nP34ss/p4F/Htu+bEtuLdNqUtrb /jVGLieiy8pc5XD0cKkKCJQfM723t+YHXzDrSRncNj8VDmAvr2N4nw/bwHSxWc61OG U25h83oXeUJFfU5+XfYjrHm58/vjfsAauqSXh0f3KPYif9124wVnnrLrJNefHfZESU qZdkX8DPrnzoo90DqjDM7BPcWfQvMpy1Mtzs++GUZ5XSgns80EBsTeYebjzfoEMj/U aZuidk9+pS7tBr7CdI5jPbWtPUaill90tXIaO6+wld59nT/AK9F6ov+IJELVpNttbW YsnzLmo0CxK8Q== From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 11/12] mm: make userland page table freeing RCU-safe Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?TG9yZW56byBTdG9ha2VzIChBUk0p?= Cc: linux-s390@vger.kernel.org, "Heiko Carstens" , "Alexander Gordeev" , "Vasily Gorbik" , "Christian Borntraeger" In-Reply-To: <20260911-rcu-pagetable-freeing-v3-11-7b8c86103821@kernel.org> References: <20260911-rcu-pagetable-freeing-v3-0-7b8c86103821@kernel.org> <20260911-rcu-pagetable-freeing-v3-11-7b8c86103821@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 11 Sep 2026 19:59:33 +0000 Message-Id: <20260911195934.2E3FC1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Now every architecture has been converted to support > CONFIG_MMU_GATHER_RCU_TABLE_FREE, this configuration option no longer mak= es > any sense to keep around. >=20 > Therefore remove it, and remove all the dead code that existed for > !CONFIG_MMU_GATHER_RCU_TABLE_FREE architectures previously. >=20 > Additionally, CONFIG_MMU_GATHER_TABLE_FREE is no longer necessary, as all > architectures instead use CONFIG_HAVE_ARCH_TLB_REMOVE_TABLE when a custom > __tlb_remove_table() is required, so remove this too. >=20 > A number of architectures only enabled CONFIG_MMU_GATHER_RCU_TABLE_FREE if > CONFIG_MMU was set, however the mmu_gather logic only actually does > something meaningful if CONFIG_MMU is set (mmu_gather.c is only compiled = in > this case, for instance). > [ ... ] > upon page table walkers to ensure that the page table entries are as > expected. >=20 > Acked-by: Kiryl Shutsemau (Meta) > Signed-off-by: Lorenzo Stoakes (ARM) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260911-rcu-pageta= ble-freeing-v3-0-7b8c86103821@kernel.org?part=3D11