On Thu, Dec 21, 2006 at 10:54:14PM -0800, Andrew Morton wrote:
> On Fri, 22 Dec 2006 06:06:18 +
> Frederik Deweerdt <[EMAIL PROTECTED]> wrote:
>
> > On Thu, Dec 21, 2006 at 06:11:08PM -0800, Andrew Morton wrote:
> > > On Thu, 21 Dec 2006 18:00:49 -0800
> > > Jeremy Fitzhardinge <[EMAIL PROTECT
Andrew Morton wrote:
> OK, but you're using -mm, yes? And -mm has (the rather irritating)
> convert-i386-pda-code-to-use-%fs.patch in it.
>
> So perhaps your fix is a -mm-only thing?
>
Yes, I think that's true.
J
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Frederik Deweerdt wrote:
> On Thu, Dec 21, 2006 at 11:22:05AM -0800, Jeremy Fitzhardinge wrote:
>
>> Frederik Deweerdt wrote:
>>
>>> Following the i386 pda patches, it's not possible to set gs or fs value
>>> from gdb anymore. The following patch restores the old behaviour of
>>> getting an
Andrew Morton wrote:
> The below is what I have queued for urgent mainlining to address these
> problems.
>
> Is it sufficient?
>
It is sufficient to fix the serious eflags-clobbering bug, but it
doesn't fix the read-and-modify correctness problem Frederik found.
J
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On Thu, Dec 21, 2006 at 06:11:08PM -0800, Andrew Morton wrote:
> On Thu, 21 Dec 2006 18:00:49 -0800
> Jeremy Fitzhardinge <[EMAIL PROTECTED]> wrote:
>
> > Frederik Deweerdt wrote:
> > > This is a -mm1 kernel + your efl_offset fix + the attached patch.
> > > So the problem came from putreg still sa
Frederik Deweerdt wrote:
> This is a -mm1 kernel + your efl_offset fix + the attached patch.
> So the problem came from putreg still saving %gs to the stack where
> there's no slot for it, whereas getreg got things right.
>
That patch looks good, but I think it is already effectively in Andrew'
On Thu, Dec 21, 2006 at 11:22:05AM -0800, Jeremy Fitzhardinge wrote:
> Frederik Deweerdt wrote:
> > Following the i386 pda patches, it's not possible to set gs or fs value
> > from gdb anymore. The following patch restores the old behaviour of
> > getting and setting thread.gs of thread.fs respecti
On Thu, Dec 21, 2006 at 11:22:05AM -0800, Jeremy Fitzhardinge wrote:
> Frederik Deweerdt wrote:
> > Following the i386 pda patches, it's not possible to set gs or fs value
> > from gdb anymore. The following patch restores the old behaviour of
> > getting and setting thread.gs of thread.fs respecti
Frederik Deweerdt wrote:
> Following the i386 pda patches, it's not possible to set gs or fs value
> from gdb anymore. The following patch restores the old behaviour of
> getting and setting thread.gs of thread.fs respectively.
> Here's a gdb session *before* the patch:
> (gdb) info reg
> [...]
> f
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