Re: 2.6.{26.2,27-rc} oops on virtualbox
From: H. Peter Anvin
Date: Tue Aug 26 2008 - 17:52:04 EST
Mathieu Desnoyers wrote:
x86 alternative text_poke add wbinvd
Add a cache flush instruction before reenabling interrupts in text_poke.
If this works, we could use clflush() (which is sadly buggy on some archs) which
is faster since it only clear a cacheline instead of the entire cache.
Well, in this case it's VirtualBox we're talking about, a virtual
architecture. It's hard to know what it will do under *any* circumstances.
-hpa
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