From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rJjKQ0mR6zDqR7 for ; Tue, 31 May 2016 15:51:21 +1000 (AEST) From: Thomas Huth To: Michael Ellerman , Paul Mackerras , linuxppc-dev@lists.ozlabs.org Cc: Benjamin Herrenschmidt , kvm-ppc@vger.kernel.org Subject: [PATCH] powerpc/pseries: Add POWER8NVL support to ibm, client-architecture-support call Date: Tue, 31 May 2016 07:51:17 +0200 Message-Id: <1464673877-30659-1-git-send-email-thuth@redhat.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- arch/powerpc/kernel/prom_init.c | 1 + 1 file changed, 1 insertion(+) 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 */ -- 1.8.3.1