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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-06-04 14:54:15 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-06-25 00:07:11 +1000
commita27755d57e0b8c1109a6b1485e52a5f9d51bd4eb (patch)
tree8156d76de4bca0361d2e58000d031d6b03f0adba
parent4bd9e05ac7b8b1f7d0c28702cb684417501a5e39 (diff)
powerpc/32: Avoid #ifdef nested with FTR_SECTION on booke syscall entry
On booke, SYSCALL_ENTRY macro nests an FTR_SECTION with a #ifdef CONFIG_KVM_BOOKE_HV. Duplicate the single instruction alternative to avoid nesting. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/33db61d5f85146262dbe26648f8f87eca3cae393.1622818435.git.christophe.leroy@csgroup.eu
-rw-r--r--arch/powerpc/kernel/head_booke.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 10f31146b472..87b806e8eded 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -128,10 +128,10 @@ BEGIN_FTR_SECTION
mr r12, r13
lwz r13, THREAD_NORMSAVE(2)(r10)
FTR_SECTION_ELSE
-#endif
mfcr r12
-#ifdef CONFIG_KVM_BOOKE_HV
ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
+#else
+ mfcr r12
#endif
mfspr r9, SPRN_SRR1
BOOKE_CLEAR_BTB(r11)