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 518545867F5 for ; Fri, 11 Sep 2026 19:56:42 +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=1789156609; cv=none; b=Ix30pAUskcX+bKBXSJ+cHbu9CstAs/v/yjLoh7MslM9nxI8T1HRT+nIO9uh985uGTvRsCzHtHGj16w1aacGEI7X1AzOX+GVy2QnbvxSF987/efEH4fwjeYD8nLIQCUk7opc0DM++lys1x5odSTs0sbro8qFk3iegZwynoE8QD5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789156609; c=relaxed/simple; bh=G1/pIknxk7XRZjRoZ2Lpt9vkYg9lXXsbJr+BfXAxvCI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=ciHv/i9XGJENFr2b9S5VuFsznjbbPR4P4St/nwTnQ8y8gWGetbkBLvzPFdcM6uJnKm0nziXnndQ7LzaUaoOPCHVDTiSUh/HmWk3CJdWk3wHNFb06YumpxUd9zFQchuJyHwEoYzRbt/xr6ceC+Gb2j7kCUgcZD0uZv71cRyMpwB4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GfgPJe4g; 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="GfgPJe4g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59F5D1F00893; Fri, 11 Sep 2026 19:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789156602; bh=G1/pIknxk7XRZjRoZ2Lpt9vkYg9lXXsbJr+BfXAxvCI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=GfgPJe4gyRCBFgu0/rwmu6Waz9xAYU14voOqhleTEv/mVOlFLgD+WBOqCTsBgDw8U OEFAqntY0oSOEVhBmTnd46F90+Nc0o7ENVFmaGYepQluC5RSLkXEYUBo6SKY4xZ51a 45ea4dmPA/WNYebuIDbwKYyoTQAoHb+WEyYVB9Pq9/29YZ/ZAJcXmM+l7BVVIUu3G2 u2yUrQR8ObHD5jG5Y/LFX/vrFFbnSuM6SucirBQrejZsrP61Xf5cWtuAghOKqaFttw emi/ugaOVYAHUmRjsOws4csqfYI56dw7bX2z4xtww364UsQ9FImhGxvENSCFnqJrhV wXJRItQhgUFbQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 09/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for m68k-motorola Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?TG9yZW56byBTdG9ha2VzIChBUk0p?= Cc: "Vasily Gorbik" , "Heiko Carstens" , "Alexander Gordeev" , "Christian Borntraeger" , linux-s390@vger.kernel.org In-Reply-To: <20260911-rcu-pagetable-freeing-v3-9-7b8c86103821@kernel.org> References: <20260911-rcu-pagetable-freeing-v3-0-7b8c86103821@kernel.org> <20260911-rcu-pagetable-freeing-v3-9-7b8c86103821@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 11 Sep 2026 19:56:41 +0000 Message-Id: <20260911195642.59F5D1F00893@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > sun3 and coldfire are already supported, however motorola requires a litt= le > more care. >=20 > Here, custom table removal logic is required, so > CONFIG_HAVE_ARCH_TLB_REMOVE_TABLE is enabled for m68k-motorola. >=20 > Firstly as part of this change, the page table level must be communicated > to the underlying __tlb_remove_table() implementation. >=20 > Take advantage of the fact that page tables are aligned by more than enou= gh > to permit setting TABLE_PTE or TABLE_PMD in the low bits of the pointer, > and store this there. >=20 > Then update __pte_free_tlb() and __pmd_free_tlb() to pass this through, > then have __tlb_remove_table() decode this and pass it to > [ ... ] > This forms part of an overall effort to switch every architecture to this > mode. >=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=3D9