From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753877AbaCEIpL (ORCPT ); Wed, 5 Mar 2014 03:45:11 -0500 Received: from mail-ee0-f53.google.com ([74.125.83.53]:64804 "EHLO mail-ee0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751441AbaCEIpK (ORCPT ); Wed, 5 Mar 2014 03:45:10 -0500 Date: Wed, 5 Mar 2014 09:45:06 +0100 From: Ingo Molnar To: "H. Peter Anvin" Cc: Linus Torvalds , "Ted Ts'o" , "H. Peter Anvin" , Thomas Gleixner , Linux Kernel Mailing List Subject: Re: [PATCH 3/3] random: If we have arch_get_random_seed*(), try it before blocking Message-ID: <20140305084506.GC2705@gmail.com> References: <1393972815-16689-1-git-send-email-hpa@linux.intel.com> <1393972815-16689-4-git-send-email-hpa@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1393972815-16689-4-git-send-email-hpa@linux.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * H. Peter Anvin wrote: > From: "H. Peter Anvin" > > If we have arch_get_random_seed*(), try to use it for emergency refill > of the entropy pool before giving up and blocking on /dev/random. It > may or may not work in the moment, but if it does work, it will give > the user better service than blocking will. > > Signed-off-by: H. Peter Anvin > Acked-by: Ingo Molnar > --- > drivers/char/random.c | 32 ++++++++++++++++++++++++++++++++ > 1 file changed, 32 insertions(+) Reviewed-by: Ingo Molnar Thanks, Ingo