From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 7EACC191F82; Mon, 28 Oct 2024 08:29:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730104194; cv=none; b=eTyiKMf+9lsKl/a8yoFh+Qu1kTptIInRTImxBst+dfqJu9h1iARh6K2Gg7IsybNrcA6tN2YNa8Iy1P4ZEphCywIJhPSy/peW37MxVL6ZYGEDpZZtjjkH65NF/xBralT7FSFvUmF1P7p8eshTjYWZrSjFYUbqDPzjOK5lWpbKTF8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730104194; c=relaxed/simple; bh=x4deraDO0Gk1qK4wUkrL89y75/dvrsNKNqNVxp86Fts=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=iryd4xfePasCzb1Xh3hOG43FHvP55JZsCIBl+rsq1yQLtDokQ+1e74FuVRNSiAVwdxRTQVq9JtciL61+yMSCHnnVQto5ta8319Y2/JhfVOALZLVjmR8GcwFh2INBYjqa0fX+n63GJXEizdRHQL9PgySNkHMa5hhdzHC0MSnELgg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=ZIrsIaZj; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="ZIrsIaZj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1730104184; bh=9BVxsgUOBsW8yr8S8arOAnJ0UXW6sPo5ixr+nakCZ30=; h=Date:From:To:Cc:Subject:From; b=ZIrsIaZjJW76BLKaqZPW6r6LVKUcSrdgq3Sh31VikpnOe+ebWbYxBcfAsNFQoyxcK BiGRE69kpTP5ewYCscAF9BQqrCUUj1iMkOj4glz1pzFuDgkmez2l9uXGcAlMvGCzbh aoDgWZLDEpH5gzzmD2sJoA7lnRzLlWTu7DsqDkv7iEIJsE5VwR6MmsgzxxPuvM57Eu QSAO20j2ge7gnNT8ckQcQXU0vOcCl9fU6++OR47hfGQy2hgOD5n7636mosw67AX1+4 RRLFEXV7mUHrj8Owp44peOxowjXvBofg9MvQQEO6zl3VtUxRXFLeozynkkSOohfZ5W FLMXfozzfD8DA== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4XcRQJ59lrz4x8C; Mon, 28 Oct 2024 19:29:44 +1100 (AEDT) Date: Mon, 28 Oct 2024 19:29:45 +1100 From: Stephen Rothwell To: Paolo Bonzini Cc: Sean Christopherson , KVM , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build warning after merge of the kvm tree Message-ID: <20241028192945.2f1433fc@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/Vikg07d5ve1SZB4Ur.bXY4L"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/Vikg07d5ve1SZB4Ur.bXY4L Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the kvm tree, today's linux-next build (htmldocs) produced this warning: Documentation/virt/kvm/locking.rst:157: ERROR: Malformed table. +-------------------------------------------------------------------------+ | At the beginning:: | | | | spte.W =3D 0 = | | spte.Accessed =3D 1 = | +-------------------------------------+-----------------------------------+ | CPU 0: | CPU 1: | +-------------------------------------+-----------------------------------+ | In mmu_spte_update():: | | | | | | old_spte =3D *spte; | = | | | | | | | | /* 'if' condition is satisfied. */ | | | if (old_spte.Accessed =3D=3D 1 && | = | | old_spte.W =3D=3D 0) | = | | spte =3D new_spte; | = | +-------------------------------------+-----------------------------------+ | | on fast page fault path:: | | | | | | spte.W =3D 1 = | | | | | | memory write on the spte:: | | | | | | spte.Dirty =3D 1 = | +-------------------------------------+-----------------------------------+ | :: | | | | | | else | | | old_spte =3D xchg(spte, new_spte);| = | | if (old_spte.Accessed && | | | !new_spte.Accessed) | | | flush =3D true; | = | | if (old_spte.Dirty && | | | !new_spte.Dirty) | | | flush =3D true; | = | | OOPS!!! | | +-------------------------------------+-----------------------------------+ Introduced by commit 5f6a3badbb74 ("KVM: x86/mmu: Mark page/folio accessed only when zapping l= eaf SPTEs") --=20 Cheers, Stephen Rothwell --Sig_/Vikg07d5ve1SZB4Ur.bXY4L Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmcfS3kACgkQAVBC80lX 0GyqKQf/fQpz2YyVP/bzIvFuL5UioYh+Hf29V91Bh2O9b+LZImJsKW9YLPF9e9Lu 9IxdDuKjJnSYo9u/2e3X1O863R2s5zOHhKiL7emran48d+1ptG4pgNiSjPE/FUbr hyneoC1WrQ48j6+RUoynog9zp+NIYJ1mYzco8a1rnLoo8n7LwDDGVZduOTvl3+sa yV7WRIltbltozGJU9Gtyjaxd4Ii6AlKouykx2cznQwxSRX6e0VN0M6VPVQamaqlZ 44H3BzGh9RAzgUO8yS9P/AhHqleC2N1pQxl0X6IRkspFQUFtBkIfJYtQg6rOJ15A SNVTZ06wFjcWPY8fKLRiOGCNUuSztA== =eygx -----END PGP SIGNATURE----- --Sig_/Vikg07d5ve1SZB4Ur.bXY4L--