linux-kernel - Re: Fail to early boot with v2.6.27-rc2 to at least v2.6.29-rc2 due to dc1e35c

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Message-ID: <87bpu1dyl6.fsf@basil.nowhere.org>
Date:	Wed, 21 Jan 2009 06:20:37 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	Avuton Olrich <avuton@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: Fail to early boot with v2.6.27-rc2 to at least v2.6.29-rc2 due to dc1e35c

"H. Peter Anvin" <hpa@...or.com> writes:
>
> We should, or if this block is reversible, we should probably just
> undo it (the reason people put this block in places is because of,
> ahem, inferior operating systems having bugs.)

Even if it's undone it would be still a good idea to make the cpuid
code bulletproof, just in case someone writes a broken emulator or similar.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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