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authorNicholas Piggin <npiggin@gmail.com>2017-04-19 12:27:38 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2017-04-19 20:48:25 +1000
commitca80d5d0a8175c9be04cfbce24180b8f5e0a744b (patch)
tree0072501b9ad77df2208587bfd9938bcad9232ab3
parentpowerpc/64s: Remove ICSWX feature from Power9 (diff)
downloadlinux-dev-ca80d5d0a8175c9be04cfbce24180b8f5e0a744b.tar.xz
linux-dev-ca80d5d0a8175c9be04cfbce24180b8f5e0a744b.zip
powerpc/64s: Remove SAO feature from Power9 DD1
Power9 DD1 does not implement SAO. Although it's not widely used, its presence or absence is visible to user space via arch_validate_prot() so it's moderately important that we get the value right. Fixes: 7dccfbc325bb ("powerpc/book3s: Add a cpu table entry for different POWER9 revs") Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/include/asm/cputable.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 5869025673b4..1f6847b107e4 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -474,7 +474,8 @@ enum {
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)
-#define CPU_FTRS_POWER9_DD1 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1)
+#define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \
+ (~CPU_FTR_SAO))
#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \