From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Andr=E9_Hentschel?= Subject: Re: [PATCH] arm: Preserve TPIDRURW on context switch Date: Wed, 20 Feb 2013 20:34:37 +0100 Message-ID: <5125254D.7040401@dawncrow.de> References: <5112DC7E.4020108@dawncrow.de> <20130206225150.GL17833@n2100.arm.linux.org.uk> <5112E0C3.1080706@dawncrow.de> <20130208154809.GF3495@mudshark.cambridge.arm.com> <511A4B93.1000700@dawncrow.de> <20130212140950.GC4123@mudshark.cambridge.arm.com> <511A5995.5000607@parrot.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from moutng.kundenserver.de ([212.227.126.171]:64324 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933749Ab3BTTe5 (ORCPT ); Wed, 20 Feb 2013 14:34:57 -0500 In-Reply-To: <511A5995.5000607@parrot.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Matthieu CASTET Cc: Will Deacon , "linux-arch@vger.kernel.org" , Greg KH , Russell King - ARM Linux , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Am 12.02.2013 16:02, schrieb Matthieu CASTET: > Will Deacon a =E9crit : >> Hi Andre, >> >> On Tue, Feb 12, 2013 at 02:02:59PM +0000, Andr=E9 Hentschel wrote: >>> Am 08.02.2013 16:48, schrieb Will Deacon: >>>> On Wed, Feb 06, 2013 at 11:01:23PM +0000, Andr=E9 Hentschel wrote: >>>>> No, i'm not sure how to improve this. How does the process can co= ntinue, 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 w= rong >> please? What do you see in TPIDRURW? >> > The tls value is never saved to : thread->tp_value[1]. >=20 > Also I don't know if you can avoid the extra ldr in the software case= =2E >=20 > Matthieu > -- > To unsubscribe from this list: send the line "unsubscribe linux-arch"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20 Hi Will, seems like Matthieu is right, any update on this? --=20 Best Regards, Andr=E9 Hentschel