Messages in this thread | | | Date | Wed, 17 Sep 2008 12:40:44 +0200 | From | Ingo Molnar <> | Subject | Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 |
| |
* Mike Galbraith <efault@gmx.de> wrote:
> On Wed, 2008-09-17 at 06:40 +0200, Mike Galbraith wrote: > > On Tue, 2008-09-16 at 17:07 +0300, Ilpo Järvinen wrote: > > > > One additional sanity check could be to rebase security 6f0f0fd4963 on top > > > of the c142bda458a and then see if bisection among those security commits > > > on top yields to the the same result... Though I doubt it can change much > > > because there was not that much relevant non-security things in the merge > > > in question. > > > > I'm not a master of git-foo, so that is not an option. However, a dinky > > bisection c142bda4..847106f very clearly says... > > > > marge:..kernel/linux-2.6.27.git # git bisect bad > > 6f0f0fd496333777d53daff21a4e3b28c4d03a6d is first bad commit > > commit 6f0f0fd496333777d53daff21a4e3b28c4d03a6d > > Author: James Morris <jmorris@namei.org> > > Date: Thu Jul 10 17:02:07 2008 +0900 > > > > security: remove register_security hook > > > > The register security hook is no longer required, as the capability > > module is always registered. LSMs wishing to stack capability as > > a secondary module should do so explicitly. > > > > Signed-off-by: James Morris <jmorris@namei.org> > > Acked-by: Stephen Smalley <sds@tycho.nsa.gov> > > Acked-by: Greg Kroah-Hartman <gregkh@suse.de> > > > > :040000 040000 0177ef46d305e51e27bfcc4350a40577f8ba8d3d 64b64c10a424df4539653a8ee34f1a2329300931 M include > > :040000 040000 e318891e514de674fd064f6bfad70d5633b1aff1 0dbb38d5aa7fc3e4b2e09dc65796ce7cd5faeb26 M security > > Which is high grade horse-pookey.
perhaps re-test commit 6f0f0fd49 and its parent commit, 93cbace7a0.
It looks like a potentially bogus bisection result, but _maybe_ it has relevance: changes the size of "struct security_operations", which could have alignment and layout effects on all sorts of kernel variables, kmalloc sizes, etc.
Ingo -- 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/
| |