From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 409JCK34TdzF27s for ; Tue, 27 Mar 2018 15:37:33 +1100 (AEDT) From: Michael Neuling To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, paulus@ozlabs.org, david@gibson.dropbear.id.au, npiggin@gmail.com, pedromfc@linux.vnet.ibm.com, kvm-ppc@vger.kernel.org, Ananth N Mavinakayanahalli Subject: [PATCH v3 8/8] powerpc: Disable DAWR in the base POWER9 CPU features Date: Tue, 27 Mar 2018 15:37:24 +1100 Message-Id: <20180327043724.13862-9-mikey@neuling.org> In-Reply-To: <20180327043724.13862-1-mikey@neuling.org> References: <20180327043724.13862-1-mikey@neuling.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Using the DAWR on POWER9 can cause xstops, hence we need to disable it. Signed-off-by: Michael Neuling --- arch/powerpc/include/asm/cputable.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index a2c5c95882..79a206bcd4 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -463,9 +463,8 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_DSCR | CPU_FTR_SAO | \ CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ - CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ - CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | \ - CPU_FTR_PKEY) + CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ + CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY) #define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \ (~CPU_FTR_SAO)) #define CPU_FTRS_POWER9_DD2_0 CPU_FTRS_POWER9 -- 2.14.1