| Message ID | 1495601614-18586-4-git-send-email-bharata@linux.vnet.ibm.com |
|---|---|
| State | New |
| Headers | show |
On Wed, 2017-05-24 at 10:23 +0530, Bharata B Rao wrote: > Fix migration of radix guests by ensuring that we issue > KVM_PPC_CONFIGURE_V3_MMU for radix case post migration. > > Reported-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com> > Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> > --- > hw/ppc/spapr.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c > index daf335c..ea14bed 100644 > --- a/hw/ppc/spapr.c > +++ b/hw/ppc/spapr.c > @@ -1400,6 +1400,18 @@ static int spapr_post_load(void *opaque, int > version_id) > err = spapr_rtc_import_offset(&spapr->rtc, spapr- > >rtc_offset); > } > > + if (spapr->patb_entry) { > + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); > + bool radix = !!(spapr->patb_entry & PATBE1_GR); > + bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE); > + > + err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr- > >patb_entry); > + if (err) { > + error_report("Process table config unsupported by the > host"); > + return -EINVAL; > + } > + } > + > return err; > } >
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index daf335c..ea14bed 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1400,6 +1400,18 @@ static int spapr_post_load(void *opaque, int version_id) err = spapr_rtc_import_offset(&spapr->rtc, spapr->rtc_offset); } + if (spapr->patb_entry) { + PowerPCCPU *cpu = POWERPC_CPU(first_cpu); + bool radix = !!(spapr->patb_entry & PATBE1_GR); + bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE); + + err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr->patb_entry); + if (err) { + error_report("Process table config unsupported by the host"); + return -EINVAL; + } + } + return err; }
Fix migration of radix guests by ensuring that we issue KVM_PPC_CONFIGURE_V3_MMU for radix case post migration. Reported-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com> Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> --- hw/ppc/spapr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)