linux-kernel - Re: [PATCH v2 0/3] x86_64,entry: Rearrange the syscall exit optimizations

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Message-ID: <CA+55aFzjTHkkgO4V95xio4jvt03hPY80f9UZRv5PS6p7GX8xKA@mail.gmail.com>
Date:	Sun, 18 Jan 2015 00:15:49 +1300
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	"the arch/x86 maintainers" <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Oleg Nesterov <oleg@...hat.com>,
	kvm list <kvm@...r.kernel.org>, Borislav Petkov <bp@...e.de>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH v2 0/3] x86_64,entry: Rearrange the syscall exit optimizations

On Sat, Jan 17, 2015 at 1:19 PM, Andy Lutomirski <luto@...capital.net> wrote:
> Linus, I suspect you'll either like or hate this series.  Or maybe
> you'll think it's crazy but you'll like it anyway.  I'm curious
> which of those is the case. :)

I have no hugely strong reaction to the patches, but it seems to be a
good simplification of our model, in addition to allowing sysret for
more cases. So Ack, as far as I'm concerned.

           Linus
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