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Date: Sun, 02 Nov 2014 10:02:14 +0800 From: Chen Gang <gang.chen.5i5j@...il.com> To: Al Viro <viro@...IV.linux.org.uk> CC: cmetcalf@...era.com, dwalter@...gle.com, richard@....at, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] arch: tile: kernel: signal.c: Use explicitly type case "unsigned long *" for register copy On 11/2/14 4:23, Al Viro wrote: > On Sat, Nov 01, 2014 at 08:49:45PM +0800, Chen Gang wrote: >> setup_sigcontext() wants to copy all kernel related registers to user >> space. So let it copy explicitly instead of copying by exceeding member >> array border. So let code more clearer and avoid warning. > > Er... Perhaps it would be better to avoid that shite completely and just > use __copy_to_user() instead of bothering with loops? > OK, thanks, I shall send patch v2 for it. Also use __copy_from_user() instead of the code in restore_sigcontext(). Thanks -- Chen Gang Open, share, and attitude like air, water, and life which God blessed -- 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/
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