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SubjectRe: [PATCH] arm: Preserve TPIDRURW on context switch
Am 12.02.2013 16:02, schrieb Matthieu CASTET:
> 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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Hi Will,
seems like Matthieu is right, any update on this?

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Best Regards, André Hentschel
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