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SubjectRe: [stable] [PATCH] Fix 'flush_old_exec()/setup_new_exec()' split
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On 2010-02-04 15:38 +0100, Greg KH wrote:

> On Thu, Feb 04, 2010 at 08:29:34AM +0000, Ben Hutchings wrote:
>> On Wed, 2010-02-03 at 21:39 -0800, Linus Torvalds wrote:
>> >
>> > On Thu, 4 Feb 2010, Ben Hutchings wrote:
>> > >
>> > > I'm using Debian i386 (i.e. 32-bit userland) with a 64-bit kernel.
>> > > After applying commit 221af7f to Debian's kernel source (approximately
>> > > equivalent to 2.6.32.7), the kernel fails to exec init. After commit
>> > > 7ab02af it can exec init but that immediately segfaults:
>> >
>> > It sounds like you have picked individual commits.
>>
>> Yes - I'm one of the kernel package maintainers and we're sticking with
>> 2.6.32-stable.
>>
>> > But you don't mention commit 05d43ed8a, which is also a required part of
>> > the series.
>> >
>> > So you _should_ have a combination of
>> > - 221af7f87 ("Split 'flush_old_exec' into two functions")
>> > - 05d43ed8a ("x86: get rid of the insane TIF_ABI_PENDING bit")
>> > - 7ab02af42 ("Fix 'flush_old_exec()/setup_new_exec()' split")
>> >
>> > (and there are also additional sparc/ppc versions of that TIF_ABI_PENDING
>> > bit removal, but they shouldn't matter on your system)
>>
>> Thanks. If all the necessary patches are all in the stable queue then
>> we can pick them from there.
>
> They should all be there already, if not, please let me know.

It seems they are all there, but on my system with 64-bit kernel and
32-bit userland, 2.6.32.8-rc1 still panics in the way noticed by Ben.

Sven


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