Re: [patch] x86: fix savesegment() bug causing crashes on 64-bit

From: Jeremy Fitzhardinge
Date: Fri Jul 11 2008 - 13:59:22 EST


Ingo Molnar wrote:
i spent a fair amount of time chasing a 64-bit bootup crash in tip/master that manifested itself as bootup segfaults:

Crap, I'm sorry. I fixed this locally a couple of days ago, but I hadn't actually observed it causing any problems, so I didn't rush to push it out.

The solution is to only allow segment operands to go to registers. This fix allows my test-system to boot up without crashing.
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>

Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

J
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