On Tue, 2016-05-31 at 12:19 +0200, Thomas Huth wrote: > On 31.05.2016 12:04, Michael Ellerman wrote: > > On Tue, 2016-05-31 at 07:51 +0200, Thomas Huth wrote: > > > If we do not provide the PVR for POWER8NVL, a guest on this > > > system currently ends up in PowerISA 2.06 compatibility mode on > > > KVM, since QEMU does not provide a generic PowerISA 2.07 mode yet. > > > So some new instructions from POWER8 (like "mtvsrd") get disabled > > > for the guest, resulting in crashes when using code compiled > > > explicitly for POWER8 (e.g. with the "-mcpu=power8" option of GCC). > > > > > > Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx> > > > > So this should say: > > > > Fixes: ddee09c099c3 ("powerpc: Add PVR for POWER8NVL processor") > > > > And therefore: > > > > Cc: stable@xxxxxxxxxxxxxxx # v4.0+ > > > > Am I right? > > Right. (At least for virtualized systems ... for bare-metal systems, > that original patch was enough). So shall I resubmit my patch with these > two lines, or could you add them when you pick this patch up? Thanks, I'll add them here. cheers -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html