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Date: Fri, 20 Jan 2012 13:02:25 +0400 From: Cyrill Gorcunov <gorcunov@...il.com> To: "Eric W. Biederman" <ebiederm@...ssion.com>, "H. Peter Anvin" <hpa@...or.com>, Pavel Emelyanov <xemul@...allels.com>, KOSAKI Motohiro <kosaki.motohiro@...il.com> Cc: david@...g.hm, Alexey Dobriyan <adobriyan@...il.com>, LKML <linux-kernel@...r.kernel.org>, Andrey Vagin <avagin@...nvz.org>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Glauber Costa <glommer@...allels.com>, Andi Kleen <andi@...stfloor.org>, Tejun Heo <tj@...nel.org>, Matt Helsley <matthltc@...ibm.com>, Pekka Enberg <penberg@...nel.org>, Eric Dumazet <eric.dumazet@...il.com>, Vasiliy Kulikov <segoon@...nwall.com>, Andrew Morton <akpm@...ux-foundation.org>, Valdis.Kletnieks@...edu Subject: Re: [RFC] syscalls, x86: Add __NR_kcmp syscall On Fri, Jan 20, 2012 at 12:40:08PM +0400, Cyrill Gorcunov wrote: ... > + > +static __init int kcmp_cookie_init(void) > +{ > + int i, j; > + > + for (i = 0; i < KCMP_TYPES; i++) { > + for (j = 0; j < 2; j++) { > + get_random_bytes(&cookies[i][j], sizeof(cookies[i][j])); > + > + if (cookies[i][j]) > + continue; > + > + /* > + * This is impossible case but just to be sure. > + */ > + cookies_valid = false; > + WARN_ONCE(1, "Can't get random bytes for k-pointers\n"); > + } > + } > + > + cookies_valid = true; darn, this string of course should be on top, i'll update don't complain on this nit. > + > + return 0; > +} Cyrill -- 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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