From mboxrd@z Thu Jan 1 00:00:00 1970 From: "=?utf-8?q?S=2E=C3=87a=C4=9Flar?= Onur" Subject: Re: [PATCH] Fix potential interrupts during alternative patching =?utf-8?q?=5Bwas=09Re=3A_=5BRFC=5D_Avoid_PIT_SMP?= lockups] Date: Fri, 20 Oct 2006 13:36:05 +0300 Message-ID: <200610201336.05760.caglar@pardus.org.tr> References: <1160170736.6140.31.camel@localhost.localdomain> <45373C1D.9080808@goop.org> <45373E92.1070200@vmware.com> Reply-To: caglar@pardus.org.tr Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3185532.zcL0iRfIK5"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45373E92.1070200@vmware.com> Sender: linux-kernel-owner@vger.kernel.org To: Zachary Amsden Cc: Jeremy Fitzhardinge , Andi Kleen , lkml , Virtualization Mailing List , Greg KH , Andrew Morton List-Id: virtualization@lists.linuxfoundation.org --nextPart3185532.zcL0iRfIK5 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline 19 Eki 2006 Per 12:00 tarihinde, Zachary Amsden =C5=9Funlar=C4=B1 yazm=C4= =B1=C5=9Ft=C4=B1:=20 > Jeremy Fitzhardinge wrote: > > Zachary Amsden wrote: > >> So this patch is an obvious bugfix - please apply, and to stable as > >> well. I'm not sure when this broke, but taking interrupts in the > >> middle of self modifying code is not a pretty sight. > > > > I had actually seen this when I built the Xen paravirt kernel with SMP > > on, but I assumed it was something in the pv_ops tree rather than > > mainline... > > Very likely to show up in qemu as well, if you use that. I can confirm qemu and virtual pc 2004 gaves same exception without that=20 patch. =2D-=20 S.=C3=87a=C4=9Flar Onur http://cekirdek.pardus.org.tr/~caglar/ Linux is like living in a teepee. No Windows, no Gates and an Apache in hou= se! --nextPart3185532.zcL0iRfIK5 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQBFOKaVy7E6i0LKo6YRArzkAKCQfTN4WielKDQm9n3Qhipz6ZpPRwCgkBpp 79gu9E0X8s6Nh81NyePN6/M= =xl1Z -----END PGP SIGNATURE----- --nextPart3185532.zcL0iRfIK5--