From 9654153158d3e0684a1bdb76dbababdb7111d5a0 Mon Sep 17 00:00:00 2001 From: Michael Neuling Date: Tue, 27 Mar 2018 15:37:24 +1100 Subject: powerpc: Disable DAWR in the base POWER9 CPU features Using the DAWR on POWER9 can cause xstops, hence we need to disable it. Signed-off-by: Michael Neuling Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/cputable.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index ecee84dea7e7..734ff976b82f 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -464,9 +464,8 @@ 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 -- cgit v1.2.3