linux-kernel - Re: [PATCH 07/13] x86/microcode: Decrease CPUID use

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

Message-ID: <alpine.DEB.2.20.1701172133540.3645@nanos>
Date:   Tue, 17 Jan 2017 21:34:41 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Borislav Petkov <bp@...en8.de>
cc:     X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 07/13] x86/microcode: Decrease CPUID use

On Tue, 17 Jan 2017, Borislav Petkov wrote:

> From: Borislav Petkov <bp@...e.de>
> 
> Get CPUID(1).EAX value once per CPU and propagate value into the callers
> instead of conveniently calling it every time.
> 

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>