Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753196AbaDYJNU (ORCPT ); Fri, 25 Apr 2014 05:13:20 -0400 Received: from mga11.intel.com ([192.55.52.93]:7756 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752196AbaDYJNO (ORCPT ); Fri, 25 Apr 2014 05:13:14 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,926,1389772800"; d="asc'?scan'208";a="527192804" Date: Fri, 25 Apr 2014 04:47:23 -0400 From: "Chen, Gong" To: Ingo Molnar Cc: Borislav Petkov , Owen Kibel , Linus Torvalds , Josh Boyer , "Luck, Tony" , Peter Zijlstra , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "atodorov@redhat.com" , "tglx@linutronix.de" , "linux-tip-commits@vger.kernel.org" Subject: Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs Message-ID: <20140425084723.GA7455@gchen.bj.intel.com> References: <20140417152611.GD4321@pd.tnic> <20140417192330.GE4321@pd.tnic> <20140417194241.GF4321@pd.tnic> <20140417205807.GA27852@pd.tnic> <20140417213012.GC27852@pd.tnic> <20140417222028.GD27852@pd.tnic> <20140418080716.GA14280@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="dDRMvlgZJXvWKvBx" Content-Disposition: inline In-Reply-To: <20140418080716.GA14280@gmail.com> X-PGP-Key-ID: A43922C7 User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --dDRMvlgZJXvWKvBx Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 18, 2014 at 10:07:16AM +0200, Ingo Molnar wrote: > Okay, so AFAICS the fix in x86/urgent isn't wrong functionally, it's=20 > just that the changelog incorrectly claims the raw-spinlock use is a=20 > bug causing a problem here. >=20 > Still that raw spinlock is bogus and might be hiding other problems,=20 > so we can keep the x86/urgent change (ea431643d6c3) as-is and I'll get=20 > it to Linus later today ... >=20 > Thanks, >=20 > Ingo Hi, Ingo We ever had a patch(59d958d2c7) to make spinlock -> raw_spinlock. Would you please explain it a little more why you revert it? --dDRMvlgZJXvWKvBx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTWiEbAAoJEI01n1+kOSLHLGQP/jvLEr3Q4HvuanJHAmc9BzWC 97fA3Yn9F8pPLSoczCbe/IpAL5TmZ0co8BeoYJCN9I/lMmzYy5DSzNaoV8nY+aIN 1Xoagg1UvzIut7NqR+qcL+8F6XsyLBnq2Ce5bpZrO9Sn/gMTF+pa2GKBOS62/8FJ ylxx3kzQ7x7B9LVYHtdYpW9zitDGhJ1i1UjyyR5JN/ShBvVp8WNEEcaX6P2bJ3Gq d99jvvruifX8fNklNxUubVFweK7Rj1QXHjovNxKFcM9Avh1tc4BmH08wZqbE4VqR wpBVuGOaQlU6UnbunfZKGS9Nj8/9H8BZa3L2gWT0xADF16wbUAYBA926lMotPyaD lphMo1INWtHFStJZGS7656l7gaSwYDADuBGCXPqwymqMyfbt33LaSMpZTzvZjOTf UcsovCk0Roi3GfnLdORSi+J6vlQNuJaCIR2AwznZCMBW4DIU06s2C/lRUI/30mcZ vbZ7qcUp5DOyBnCZYC4JsyR4ITML9RbsLVMsAeMwCGWKILs/5rw/Mk/Krt/E18+k estDWfo93epgu/NCOBQ/BziNDZuDhgyRdNJk5BHM6JVEYZQSePE9uqQJdgzrZ2zn CJ/b1TdF14SrkGLH/Mf1TQW2yNkVfW6UmFxwUFdrWTQDcg6sdGZhf2HRuCKH8h0g 5TwKBe0nYjKeRIB6oi5G =fCI/ -----END PGP SIGNATURE----- --dDRMvlgZJXvWKvBx-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/