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authorNicholas Piggin <npiggin@gmail.com>2018-09-14 17:30:46 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-09-19 13:59:41 +0200
commit505ea82eabd2dfc69ca7a50c2996dbe969a89bec (patch)
tree525df5e9073b23b4cd0e3068a13bebda2fd3e330 /arch/powerpc/kernel/entry_64.S
parentpowerpc/64s/hash: Fix stab_rr off by one initialization (diff)
downloadlinux-505ea82eabd2dfc69ca7a50c2996dbe969a89bec.tar.xz
linux-505ea82eabd2dfc69ca7a50c2996dbe969a89bec.zip
powerpc/64s/hash: avoid the POWER5 < DD2.1 slb invalidate workaround on POWER8/9
I only have POWER8/9 to test, so just remove it for those. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
-rw-r--r--arch/powerpc/kernel/entry_64.S2
1 files changed, 2 insertions, 0 deletions
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: