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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:26:07 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-11 21:53:45 +1000
commitcaca285e5ab4a7a19fede51688106ceed6fc45dd (patch)
tree60b38cba1ca255de7aa9948d20cfcef17d44aa74 /arch/powerpc/kernel/entry_64.S
parenta8ed87c92adf1fd45142323e04f15b522117d575 (diff)
downloadlwn-caca285e5ab4a7a19fede51688106ceed6fc45dd.tar.gz
lwn-caca285e5ab4a7a19fede51688106ceed6fc45dd.zip
powerpc/mm/radix: Use STD_MMU_64 to properly isolate hash related code
We also use MMU_FTR_RADIX to branch out from code path specific to hash. No functionality change. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.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.S7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 4fd492209d90..73e461a3dfbb 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -529,7 +529,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
std r6,PACACURRENT(r13) /* Set new 'current' */
ld r8,KSP(r4) /* new stack pointer */
-#ifdef CONFIG_PPC_BOOK3S
+#ifdef CONFIG_PPC_STD_MMU_64
+BEGIN_MMU_FTR_SECTION
+ b 2f
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_RADIX)
BEGIN_FTR_SECTION
clrrdi r6,r8,28 /* get its ESID */
clrrdi r9,r1,28 /* get current sp ESID */
@@ -575,7 +578,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
slbmte r7,r0
isync
2:
-#endif /* !CONFIG_PPC_BOOK3S */
+#endif /* CONFIG_PPC_STD_MMU_64 */
CURRENT_THREAD_INFO(r7, r8) /* base of new stack */
/* Note: this uses SWITCH_FRAME_SIZE rather than INT_FRAME_SIZE