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From: Richard Henderson <rth@twiddle.net>
To: Helge Deller <deller@gmx.de>, Michael Cree <mcree@orcon.net.nz>,
	"linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>
Subject: Re: BRSGP relocation truncations in linking kernel for Alpha.
Date: Mon, 24 Oct 2016 20:13:22 -0700	[thread overview]
Message-ID: <65016d6a-3e42-a493-8765-aef683fde537@twiddle.net> (raw)
In-Reply-To: <580E7616.2020806@gmx.de>

On 10/24/2016 01:59 PM, Helge Deller wrote:
> Does it only happens for __copy_user() ?
> If yes, I assume the problem happens because of __copy_tofrom_user_nocheck() in
> uaccess.h is always inlined. Maybe un-inlining helps?
> Or, the inline-assembly for jsr/bsr needs tweeking ?

Indeed.  Try changing #ifdef MODULE above __copy_tofrom_user_nocheck to #if 1.


r~

  reply	other threads:[~2016-10-25  3:13 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-22  2:41 BRSGP relocation truncations in linking kernel for Alpha Michael Cree
2016-10-24 20:59 ` Helge Deller
2016-10-25  3:13   ` Richard Henderson [this message]
2016-10-25  8:26     ` Michael Cree
2016-10-25 16:58       ` Richard Henderson
2016-10-25 18:07       ` Richard Henderson
2016-10-26  6:56         ` Michael Cree
2016-10-26 15:18           ` Richard Henderson
2017-02-09  9:58       ` Alpha Kernel Regression [was Re: BRSGP relocation truncations in linking kernel for Alpha.] Michael Cree
2016-10-25 20:01     ` BRSGP relocation truncations in linking kernel for Alpha Thorsten Kranzkowski

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