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SubjectRe: [PATCH] arm: Preserve TPIDRURW on context switch
Will Deacon a écrit :
> Hi Andre,
>
> On Tue, Feb 12, 2013 at 02:02:59PM +0000, André Hentschel wrote:
>> Am 08.02.2013 16:48, schrieb Will Deacon:
>>> On Wed, Feb 06, 2013 at 11:01:23PM +0000, André Hentschel wrote:
>>>> No, i'm not sure how to improve this. How does the process can continue, can you or someone else fix that and add his Signed-off-by?
>>> How about something like the (completely untested) diff below?
>>>
>>> Andre: if this works for you, I'm happy to write a commit message etc.
>> Thx for your effort, but it doesn't work, at least not with my 3.4.6 suse kernel.
>> Be free to have another try, i'll be happy to test it.
>
> Well, cheers for testing. Can you be more specific about what goes wrong
> please? What do you see in TPIDRURW?
>
The tls value is never saved to : thread->tp_value[1].

Also I don't know if you can avoid the extra ldr in the software case.

Matthieu
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