linux-kernel - Re: [PATCH v2 19/76] ARC: Signal handling

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Date:	Sat, 19 Jan 2013 03:34:07 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	arnd@...db.de
Subject: Re: [PATCH v2 19/76] ARC: Signal handling

On Sat, Jan 19, 2013 at 03:23:57AM +0000, Al Viro wrote:
> ITYM current_pt_regs()...
> 
> > +	if (unlikely(is_do_ss_needed(magic)))
> > +		if (do_sigaltstack(&sf->uc.uc_stack, NULL, regs->sp) == -EFAULT)
> 	if (!restore_altstack(&sf->uc.uc_stack))
> please...

... only without the braino - if (restore_altstack(...))
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