From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8301612B152 for ; Thu, 15 Feb 2024 11:36:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707996993; cv=none; b=aXL4qmbQoXedHOW3rcm7Bj6TwJB/il2SbiawRPJDqwk4s8TLRlr95TkQSaOoSooXNuMm0abFHLDXivvtMetg/dmHEESkHxWxDEr1XiOZ8yzawIzs/4C+SYKNo6yrOmkJLyLsw/O/3H5IYFzH8Aq1NbIdCZXILOmZ1YSRywtdMoI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707996993; c=relaxed/simple; bh=8g7dhm2bfs1KXzC1xPed9APN1G94sWjLcvBX3dCnKD0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iDgh63WVwiGuBTHhVZuSe7XjVFTw5QuY1/8Fb80XQXE4VMmzPqZs6j7bXDmj4DV/xvX0ZweBAkMmGKM4kvOyS2dL0GarKLRPqwqPJ7sZ3zVs58IWGYQQHOP7OD8/gmMjU/Iw1Swd/tcJNdyvfDSIhrNAt+Y+YLnG2gkHH4Y77ts= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E7C991FB; Thu, 15 Feb 2024 03:37:10 -0800 (PST) Received: from FVFF77S0Q05N (unknown [10.57.68.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6408F3F7B4; Thu, 15 Feb 2024 03:36:26 -0800 (PST) Date: Thu, 15 Feb 2024 11:36:23 +0000 From: Mark Rutland To: Ryan Roberts Cc: Catalin Marinas , Will Deacon , Ard Biesheuvel , Marc Zyngier , James Morse , Andrey Ryabinin , Andrew Morton , Matthew Wilcox , David Hildenbrand , Kefeng Wang , John Hubbard , Zi Yan , Barry Song <21cnbao@gmail.com>, Alistair Popple , Yang Shi , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 00/18] Transparent Contiguous PTEs for User Mappings Message-ID: References: <20240215103205.2607016-1-ryan.roberts@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240215103205.2607016-1-ryan.roberts@arm.com> On Thu, Feb 15, 2024 at 10:31:47AM +0000, Ryan Roberts wrote: > Hi All, > > This is a series to opportunistically and transparently use contpte mappings > (set the contiguous bit in ptes) for user memory when those mappings meet the > requirements. The change benefits arm64, but there is some (very) minor > refactoring for x86 to enable its integration with core-mm. I've looked over each of the arm64-specific patches, and those all seem good to me. I've thrown my local Syzkaller instance at the series, and I'll shout if that hits anything that's not clearly a latent issue prior to this series. The other bits also look good to me, so FWIW, for the series as a whole: Acked-by: Mark Rutland Mark.