On Tue, Jul 21, 2015 at 06:14:06PM -0400, Donald Parsons wrote:
> On Tue, 2015-07-21 at 14:10 -0700, Greg Kroah-Hartman wrote:
> > > Andrew Morton (1):
> > > arch/x86/kvm/mmu.c: work around gcc-4.4.4 bug
> > >
> > > which must be it. Added Andrew to cc as he hopefully knows the
> > answer to your question.
> >
> > You can dig through git to find it pretty easily...
> >
> > Anyway, given that the 4.0 release I'm doing at the moment is the last
> > one, and it's end-of-life, this is a bit late and isn't going to
> > matter much. People should be on 4.1 already.
>
> Okay. But just in case. I had to learn about git and do a checkout.
>
> git log v4.1-rc8 arch/x86/kvm/mmu.c shows:
>
> commit 5ec45a192fe6e287f0fc06d5ca4f3bd446d94803
> Author: Andrew Morton <a...@linux-foundation.org>
> Date: Wed Jun 10 11:15:02 2015 -0700
>
> arch/x86/kvm/mmu.c: work around gcc-4.4.4 bug
>
> Fix this compile issue with gcc-4.4.4:
>
> arch/x86/kvm/mmu.c: In function 'kvm_mmu_pte_write':
> arch/x86/kvm/mmu.c:4256: error: unknown field 'cr0_wp' specified
> in initializer
> arch/x86/kvm/mmu.c:4257: error: unknown field 'cr4_pae' specified
> in initializer
> arch/x86/kvm/mmu.c:4257: warning: excess elements in union
> initializer
> ...
>
> gcc-4.4.4 (at least) has issues when using anonymous unions in
> initializers.
>
> Fixes: edc90b7dc4ceef6 ("KVM: MMU: fix SMAP virtualization")
> Cc: Xiao Guangrong <guangrong.x...@linux.intel.com>
> Cc: Paolo Bonzini <pbonz...@redhat.com>
> Cc: Davidlohr Bueso <d...@stgolabs.net>
> Signed-off-by: Andrew Morton <a...@linux-foundation.org>
> Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
>
>
> Hopefully commit 5ec45a192fe6e287f0fc06d5ca4f3bd446d94803
> is what you were looking for. If not, very sorry for interrupting you.
Thanks, that's exactly what I needed. I've queued it up, in the
off-chance that there would be another 4.0-stable kernel, but I don't
think there will be. Please move to 4.1 at this point in time.
thanks,
greg k-h
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