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 6C8E9288C2C; Mon, 2 Feb 2026 09:18:58 +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=1770023938; cv=none; b=R/PZaCYkWbhTuqzTf650bWliQFm1mU2R12yhStOHl1M7N3FxKAcu+HG1gCW5CZuxJc8BLq6L1aL2nFc419kDGz/mfSsmEhhPdqRQHE13KYgp3R3O+HKf5VbVsXfDDJr+1VIgeFbtzsvziTEb6VppskroztDmaqm+Yy+GNvfZF7E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770023938; c=relaxed/simple; bh=8Qrh8ZtEPewTX/f3NKFBmFSSn42zgbNzv5LMlayBHOU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=GjdowoqEKNSiDaxN2l2hGaMnY88EkU4SExRyFB3p5sr7XjPAxhn03OHyJFQn8Ijh0EjK0IKxKFHlMTgumN/G70Dy3BpVSYP6msrlQygumUMlvROkOksjFDbNbPCF/d6nr6DKgnR3ITQXdImgyHaHlR6+i4JlCX653+AOYMLF8rw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jsnMJ//l; 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="jsnMJ//l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99CD2C116C6; Mon, 2 Feb 2026 09:18:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770023938; bh=8Qrh8ZtEPewTX/f3NKFBmFSSn42zgbNzv5LMlayBHOU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=jsnMJ//lI8Isa3va/wb93fqtliksfspJ/GwgIsY6Xd59e92akeSocrJX+2XGAUFOV FZtGJh4lpX2byI51pP862dyreqxIxWm9njF6pJgdExkOyljADhZP4EsFf5T3FGNZQd v2erR4Za1hvneSE1nRpKiv+bkidkQBw3jPXZSkzLyuZe5Q7eciLKKifOwqZMzCiVVC lfHAbmGdUGY4rs8aLyuk0Qi+QWV4rNVzdCNmYfGtnoAPe4kU4TRtUQLiLRaKD8/+v0 VprkwobNjVeC8lf0O67qeuOFzl2EfOW75ZNDftbaS23VUegcBevcKs0sELriGzJ91V bRqD5TljcAJow== Message-ID: <981400cd-59ac-42b6-a657-4aeb0e7469a2@kernel.org> Date: Mon, 2 Feb 2026 10:18:54 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] KVM: guest_memfd: Don't set FGP_ACCESSED when getting folios To: Ackerley Tng , pbonzini@redhat.com, seanjc@google.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Vlastimil Babka References: <20260129172646.2361462-1-ackerleytng@google.com> From: "David Hildenbrand (arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/29/26 18:26, Ackerley Tng wrote: > guest_memfd folios don't care about accessed flags since the memory is > unevictable and there is no storage to write back to, hence, cleanup the > allocation path by not setting FGP_ACCESSED. > > Signed-off-by: Ackerley Tng > [sean: split to separate patch] > Signed-off-by: Sean Christopherson > Acked-by: Vlastimil Babka > --- Acked-by: David Hildenbrand (arm) -- Cheers David