On Wed, 2018-06-13 at 13:23:56 UTC, Michael Ellerman wrote: > In the device tree CPU features quirk code we want to set > CPU_FTR_POWER9_DD2_1 on all Power9s that aren't DD2.0 or earlier. But > we got the logic wrong and instead set it on all CPUs that aren't > Power9 DD2.0 or earlier, ie. including Power8. > > Fix it by making sure we're on a Power9. This isn't a bug in practice > because the only code that checks the feature is Power9 only to begin > with. But we'll backport it anyway to avoid confusion. > > Fixes: 9e9626ed3a4a ("powerpc/64s: Fix POWER9 DD2.2 and above in DT CPU > features") > Cc: sta...@vger.kernel.org # v4.17+ > Reported-by: Paul Mackerras <pau...@samba.org> > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> > Acked-by: Nicholas Piggin <npig...@gmail.com>
Applied to powerpc fixes. https://git.kernel.org/powerpc/c/749a0278c2177b2d16da5d8b135ba7 cheers