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Message-ID: <20120530215537.GA27374@one.firstfloor.org> Date: Wed, 30 May 2012 23:55:37 +0200 From: Andi Kleen <andi@...stfloor.org> To: Herbert Xu <herbert@...dor.apana.org.au> Cc: Andi Kleen <andi@...stfloor.org>, Johannes Goetzfried <Johannes.Goetzfried@...ormatik.stud.uni-erlangen.de>, Jussi Kivilinna <jussi.kivilinna@...et.fi>, linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org, Tilo Müller <Tilo.Mueller@...ormatik.uni-erlangen.de> Subject: Re: [PATCH] crypto: serpent - add x86_64/avx assembler implementation On Thu, May 31, 2012 at 07:44:48AM +1000, Herbert Xu wrote: > On Wed, May 30, 2012 at 11:40:06PM +0200, Andi Kleen wrote: > > > > > What we could do is to use the cpuid-based probing when an algorithm > > > is needed to selectively load the relevant implementations instead > > > of all of them. However, for most algorithms it won't make that > > > big a difference since all the available ones will be loaded anyway. > > > > Yes cpuid probing does that. > > I was under the impression that using cpuid meant that the algorithm > would be loaded regardless of whether it has been requested, as long > as the cpuid matches. It loads it always correct. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- 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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