Re: GIT head no longer boots on x86-64

[H. Peter Anvin]

Linus Torvalds wrote:
> Oh, btw. This patch is *totally* untested. I don't even enable modules. So 
> if it doesn't compile, it isn't perfect. But while it may not _work_, at 
> least it's not _ugly_.
>
> (Quite frankly, I think an even more correct fix is to rename the whole 
> "vmalloc_to_page()" function, since it's clearly used for other things 
> than vmalloc. Maybe "kernel_virtual_to_page()". Whatever. This is trying 
> to be minimal without being totally disgusting).

I have verified that this patch fixes the problem, at least in my test 
rig, and has queued it up for tip:x86/urgent.  It should be in the next 
pull request.

Note that this bug only bites when CONFIG_DEBUG_VIRTUAL=y and we're 
running an SMP kernel on UP.  Not that that is any excuse.

	-hpa
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