From: "André Hentschel" <nerv@dawncrow.de>
To: Matthieu CASTET <matthieu.castet@parrot.com>
Cc: Will Deacon <will.deacon@arm.com>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm: Preserve TPIDRURW on context switch
Date: Wed, 20 Feb 2013 20:34:37 +0100 [thread overview]
Message-ID: <5125254D.7040401@dawncrow.de> (raw)
In-Reply-To: <511A5995.5000607@parrot.com>
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?
--
Best Regards, André Hentschel
next prev parent reply other threads:[~2013-02-20 19:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 22:43 [PATCH] arm: Preserve TPIDRURW on context switch André Hentschel
2013-02-06 22:51 ` Russell King - ARM Linux
2013-02-06 23:01 ` André Hentschel
2013-02-06 23:01 ` André Hentschel
2013-02-08 15:48 ` Will Deacon
2013-02-09 16:44 ` André Hentschel
2013-02-12 14:02 ` André Hentschel
2013-02-12 14:09 ` Will Deacon
2013-02-12 14:14 ` André Hentschel
2013-02-12 15:02 ` Matthieu CASTET
2013-02-20 19:34 ` André Hentschel [this message]
2013-02-21 10:33 ` Will Deacon
2013-02-21 10:33 ` Will Deacon
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