From: Michael Ellerman <mpe@ellerman•id.au>
To: Thomas Huth <thuth@redhat•com>, Paul Mackerras <paulus@samba•org>,
linuxppc-dev@lists•ozlabs.org
Cc: kvm-ppc@vger•kernel.org
Subject: Re: powerpc/pseries: Add POWER8NVL support to ibm, client-architecture-support call
Date: Mon, 6 Jun 2016 10:17:37 +1000 (AEST) [thread overview]
Message-ID: <3rNFdY3lkKz9t4P@ozlabs.org> (raw)
In-Reply-To: <1464673877-30659-1-git-send-email-thuth@redhat.com>
On Tue, 2016-31-05 at 05:51:17 UTC, 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@redhat•com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/7cc851039d643a2ee7df4d1817
cheers
prev parent reply other threads:[~2016-06-06 0:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-31 5:51 [PATCH] powerpc/pseries: Add POWER8NVL support to ibm, client-architecture-support call Thomas Huth
2016-05-31 10:04 ` [PATCH] powerpc/pseries: Add POWER8NVL support to ibm,client-architecture-support call Michael Ellerman
2016-05-31 10:19 ` Thomas Huth
2016-05-31 10:32 ` Michael Ellerman
2016-06-08 1:14 ` Balbir Singh
2016-06-08 10:44 ` Michael Ellerman
2016-06-08 11:17 ` Thomas Huth
2016-06-08 11:27 ` Michael Ellerman
2016-06-08 10:58 ` Thomas Huth
2016-06-06 0:17 ` Michael Ellerman [this message]
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