linux-kernel - Re: [RFC PATCH v1 02/18] x86: Secure Memory Encryption (SME) build enablement

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Message-ID: <20160427164137.GA11779@amd>
Date:	Wed, 27 Apr 2016 18:41:37 +0200
From:	Pavel Machek <pavel@....cz>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Tom Lendacky <thomas.lendacky@....com>, linux-arch@...r.kernel.org,
	linux-efi@...r.kernel.org, kvm@...r.kernel.org,
	linux-doc@...r.kernel.org, x86@...nel.org,
	linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
	linux-mm@...ck.org, iommu@...ts.linux-foundation.org,
	Radim Krčmář <rkrcmar@...hat.com>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Joerg Roedel <joro@...tes.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrey Ryabinin <aryabinin@...tuozzo.com>,
	Alexander Potapenko <glider@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [RFC PATCH v1 02/18] x86: Secure Memory Encryption (SME) build
 enablement

On Wed 2016-04-27 17:41:40, Borislav Petkov wrote:
> On Wed, Apr 27, 2016 at 05:30:10PM +0200, Pavel Machek wrote:
> > Doing it early will break bisect, right?
> 
> How exactly? Please do tell.

Hey look, SME slowed down 30% since being initially merged into
kernel!
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html