linux-kernel - Re: New ARM asm/syscall.h incompatible? (commit bf2c9f9866928df60157bc4f1ab39f93a32c754e)

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Message-ID: <20120529004700.GR11775@ZenIV.linux.org.uk>
Date:	Tue, 29 May 2012 01:47:00 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Will Drewry <wad@...omium.org>, wade_farnsworth@...tor.com,
	stevenrwalter@...il.com, will.deacon@....com,
	Olof Johansson <olof@...om.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: New ARM asm/syscall.h incompatible? (commit
 bf2c9f9866928df60157bc4f1ab39f93a32c754e)

On Thu, May 24, 2012 at 05:11:30PM +0100, Russell King - ARM Linux wrote:
> +__sys_slow:
> +	tst	r10, #_TIF_SECCOMP
> +	beq	__sys_trace
> +
> +	bl	__secure_computing
> +	add	r0, sp, #S_R0 + S_OFF		@ pointer to regs
> +	ldmia	r0, {r0 - r3}
> +
> +	tst	r10, #_TIF_SYSCALL_WORK
> +	beq	__sys_fast

What is it doing outside of syscall_trace(), anyway?
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