On Tue, 03 Mar 2015 17:08:37 -0800, Andy Lutomirski said: > > Are they poking cr4 directly with mov? Let's see: > > /* Enable the VMX bit in CR4 if necessary. */ > RTCCUINTREG uCr4 = ASMGetCR4(); > if (!(uCr4 & X86_CR4_VMXE)) > ASMSetCR4(uCr4 | X86_CR4_VMXE); > > ASMSetCR4 is about what you'd expect. > > I deliberately renamed write_cr4 to __write_cr4 to catch this kind of > thing in anything that uses the asm/ headers, but I can't do anything > about asm code in out-of-tree modules.
Thanks for the confirmation, I've already updated the tracking bug they were using for 4.0 issues, and will chase it further with them...
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