linux-kernel - Re: [PATCH v2 10/10] x86-64: Document some of entry

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Message-ID: <20110530105036.GG17821@elte.hu>
Date:	Mon, 30 May 2011 12:50:36 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Lutomirski <luto@....edu>
Cc:	Borislav Petkov <bp@...en8.de>, x86@...nel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Jesper Juhl <jj@...osbits.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Jan Beulich <JBeulich@...ell.com>,
	richard -rw- weinberger <richard.weinberger@...il.com>,
	Mikael Pettersson <mikpe@...uu.se>
Subject: Re: [PATCH v2 10/10] x86-64: Document some of entry_64.S


* Andrew Lutomirski <luto@....edu> wrote:

> (And whose idea was it to have pushing the error code be optional?)

I think it must have been some genius trying to save 0.1 cycles while 
spending a thousand transistors on it in the critical path and 
introducing a dozen crashes and security holes into various kernels 
;-)

Thanks,

	Ingo
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