Re: serious performance regression due to NX patch

From: Matthew Wilcox
Date: Sun Jul 11 2004 - 09:06:14 EST


On Sun, Jul 11, 2004 at 03:38:44PM +0200, Andi Kleen wrote:
> Matthew Wilcox <willy@xxxxxxxxxx> writes:
>
> > On Sun, Jul 11, 2004 at 03:02:25AM -0700, Andrew Morton wrote:
> >> Apropos of nothing much, CONFIG_X86 would be preferreed here, but x86_64
> >> defines that too.
> >
> > IMO, x86-64 should stop defining CONFIG_X86. It's far more common
> > to say "X86 && !X86_64" than it is to say X86. How about defining
> > CONFIG_X86_COMMON and migrating usage of X86 to X86_COMMON?
>
> Definitely not in 2.6 because it has far too much potential to
> add subtle bugs, and that is not appropiate for a stable release.
> In 2.7 maybe.
>
> Buy I would prefer to just add an truly i386 specific define
> like Andrew proposed.

We already had an i386 specific define. You chose to hijack it.

--
"Next the statesmen will invent cheap lies, putting the blame upon
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince
himself that the war is just, and will thank God for the better sleep
he enjoys after this process of grotesque self-deception." -- Mark Twain
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