From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: Flag T-bit for syscall restart
Date: Sat, 27 Dec 2008 05:25:51 +0000 [thread overview]
Message-ID: <20081227052550.GA26369@linux-sh.org> (raw)
In-Reply-To: <4.2.0.58.J.20081227113019.05455988@192.168.0.5>
On Sat, Dec 27, 2008 at 12:02:01PM +0900, SUGIOKA Toshinobu wrote:
> Hi,
>
> Could someone explain me about the patch
> http://kerneltrap.org/mailarchive/git-commits-head/2008/10/20/3733624
>
> I can't understand why T-bit(regs->sr & 1) is used
> as the condition about restarting syscall at the last hunk.
>
Look at arch/sh/include/asm/syscall_32.h, it is used for syscall error
detection by the regset interface.
next prev parent reply other threads:[~2008-12-27 5:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-27 3:02 Flag T-bit for syscall restart SUGIOKA Toshinobu
2008-12-27 5:25 ` Paul Mundt [this message]
2008-12-30 0:10 ` Kaz Kojima
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