powerpc/kvm: Fix guest boot issue DAWR cpu feature

Michael Ellerman patch-notifications at ellerman.id.au
Sun Apr 1 01:04:15 AEDT 2018


On Fri, 2018-03-30 at 11:57:24 UTC, "Aneesh Kumar K.V" wrote:
> SLOF check the 'sc 1' support by issuing a hcall with H_SET_DABR. With
> recent patch to make the hcall return H_UNSUPPORTED, we get guest boot
> failures. SLOF can work with the hcall failure H_HARDWARE for the above
> hcall. Switch the return value to H_HARDWARE instead of H_UNSUPPORTED so that
> we don't break the guest boot.
> 
> Fixes: e8ebedbf ("KVM: PPC: Book3S HV: Return error from h_set_dabr() on POWER9")
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ca9a16c3bc1582da62ef9c47fc2200

cheers


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