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?
cheers
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index da51925..ccd2037 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -656,6 +656,7 @@ unsigned char ibm_architecture_vec[] = {
> W(0xffff0000), W(0x003e0000), /* POWER6 */
> W(0xffff0000), W(0x003f0000), /* POWER7 */
> W(0xffff0000), W(0x004b0000), /* POWER8E */
> + W(0xffff0000), W(0x004c0000), /* POWER8NVL */
> W(0xffff0000), W(0x004d0000), /* POWER8 */
> W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */
> W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */
--
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