[PATCH] KVM: PPC: Book3S PR: Set hflag to indicate that POWER9 supports 1T segments

Paul Mackerras paulus at ozlabs.org
Tue Dec 18 12:00:55 AEDT 2018


On Fri, Dec 07, 2018 at 02:43:18PM +1100, Suraj Jitindar Singh wrote:
> When booting a kvm-pr guest on a POWER9 machine the following message is
> observed:
> "qemu-system-ppc64: KVM does not support 1TiB segments which guest expects"
> 
> This is because the guest is expecting to be able to use 1T segments
> however we don't indicate support for it. This is because we don't set
> the BOOK3S_HFLAG_MULTI_PGSIZE flag in the hflags in kvmppc_set_pvr_pr()
> on POWER9.
> 
> POWER9 does indeed have support for 1T segments, so add a case for
> POWER9 to the switch statement to ensure it is set.
> 
> Signed-off-by: Suraj Jitindar Singh <sjitindarsingh at gmail.com>

Thanks, patch applied to my kvm-ppc-next branch.

Paul.


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