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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

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?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/