[PATCH 3/3] powerpc/64s/hash: avoid the POWER5 < DD2.1 slb invalidate workaround on POWER8/9
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2018-08-28 16:57:48
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
I only have POWER8/9 to test, so just remove it for those. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/kernel/entry_64.S | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 2206912ea4f0..77a888bfcb53 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S@@ -672,7 +672,9 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) isync slbie r6 +BEGIN_FTR_SECTION slbie r6 /* Workaround POWER5 < DD2.1 issue */ +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) slbmte r7,r0 isync 2:
--
2.18.0