From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 EDB2A3876AB; Thu, 9 Apr 2026 12:38:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775738337; cv=none; b=u0Z0AUSzbyM5tVVP+C7aRnxDrWvVrPR2K88I7yEsBjxaw6YLkyQY4GKoNdPXy9yw2Vee9lzJtFm8i3CuPhexcCIDMO5Kil4uQyMAZ82+b52z2RN3Gn4N8U5ywxT7wydbh3+v2czeQ2A818PqAjCA8C57TpzzfY2qc1BP1FBPGNQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775738337; c=relaxed/simple; bh=S1UzqxaXEc/yIE0ufFwghwwUVw6xvXwfGs8iCXCKSJw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hzxEKM+AcChx8/W3wbPYVw3jCiTjC5GPin4ESNfGCZjNgytH3Djiw4F+xSoWgdw8HsNQRE5VQdQns35/1Vxb48mg3I81tWxzazsNVfdnw/ERn5jIRon08gC5w9y4GGmlEQ+uRYToaJYSnHCNACfEeWltqEUJ3026CQ/t0esTIsU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=t4fn9Q4X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="t4fn9Q4X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0ADE4C19424; Thu, 9 Apr 2026 12:38:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775738336; bh=S1UzqxaXEc/yIE0ufFwghwwUVw6xvXwfGs8iCXCKSJw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=t4fn9Q4XJQe3p+oZ+kJtet9UBjhDHwzuk/79owhpBPBCfJmayqSA4WmNiOQrrKNAw LIDvKeWxhcy5QdHGIdxGNjS+NnUByasX+OJUdfsk0/0FGmDNVO3IkZATnwWOShPh1I gOltWksTcRi75T6wBungyq4UQSuDb0YFpAkKg5A9QhQ4IHrOteT0H1mvZW0FcUu8Z+ YjjaYd1eEqwMt6neauUxdhD7OJzbfFO4xEBnVTz6OGYKq8HJ/IIRYUGOcRTR/litSJ +4foUNO3RJFXQvZjQSqpYecg/G0lJEFL6ZuMiUDjuIPS/1T5mi9sm9SwaN5SWuLBVU wl7xbxf7MjKyA== Date: Thu, 9 Apr 2026 14:38:50 +0200 From: Christian Brauner To: Alban Crequy Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alban Crequy , Peter Xu , Willy Tarreau , linux-kselftest@vger.kernel.org, shuah@kernel.org Subject: Re: [PATCH v2 0/2] mm/process_vm_access: pidfd and nowait support for process_vm_readv/writev Message-ID: <20260409-behoben-gehen-baeb1486fb03@brauner> References: <20260408145436.843538-1-alban.crequy@gmail.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=utf-8 Content-Disposition: inline In-Reply-To: <20260408145436.843538-1-alban.crequy@gmail.com> On Wed, Apr 08, 2026 at 04:54:34PM +0200, Alban Crequy wrote: > This adds two flags to process_vm_readv/writev: > > - PROCESS_VM_PIDFD: refer to the remote process via PID file descriptor > instead of PID. > - PROCESS_VM_NOWAIT: do not block on IO if the memory access causes a > page fault. > > v1: https://lore.kernel.org/lkml/20251118132348.2415603-1-alban.crequy@gmail.com/ Looks good to me, Reviewed-by: Christian Brauner