linux-kernel - Re: [PATCH] arm: Preserve TPIDRURW on context switch

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Message-ID: <20130221103342.GA20566@mudshark.cambridge.arm.com>
Date:	Thu, 21 Feb 2013 10:33:43 +0000
From:	Will Deacon <will.deacon@....com>
To:	André Hentschel <nerv@...ncrow.de>
Cc:	Matthieu CASTET <matthieu.castet@...rot.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm: Preserve TPIDRURW on context switch

Hi Andre,

On Wed, Feb 20, 2013 at 07:34:37PM +0000, André Hentschel wrote:
> Am 12.02.2013 16:02, schrieb Matthieu CASTET:
> > 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.
>
> seems like Matthieu is right, any update on this?

Yeah, I'll get round to this after the merge window and send a v2.
I have a nice long flight to Hong Kong on the horizon, which may well drive
me to writing patches :)

Cheers,

Will
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