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authorMichael Ellerman <mpe@ellerman.id.au>2018-07-28 01:06:34 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-08-07 16:32:23 +0200
commit179ab1cbf883575c3a585bcfc0f2160f1d22a149 (patch)
treeeead3ee74946fc0b174966ef4fcf1fa02ae8e2fc /arch/powerpc/include/asm/setup.h
parentpowerpc/64: Make stf barrier PPC_BOOK3S_64 specific. (diff)
downloadlinux-179ab1cbf883575c3a585bcfc0f2160f1d22a149.tar.xz
linux-179ab1cbf883575c3a585bcfc0f2160f1d22a149.zip
powerpc/64: Add CONFIG_PPC_BARRIER_NOSPEC
Add a config symbol to encode which platforms support the barrier_nospec speculation barrier. Currently this is just Book3S 64 but we will add Book3E in a future patch. Signed-off-by: Diana Craciun <diana.craciun@nxp.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/setup.h')
-rw-r--r--arch/powerpc/include/asm/setup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index 8721fd004291..8205f9fdfd67 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -56,7 +56,7 @@ void setup_barrier_nospec(void);
void do_barrier_nospec_fixups(bool enable);
extern bool barrier_nospec_enabled;
-#ifdef CONFIG_PPC_BOOK3S_64
+#ifdef CONFIG_PPC_BARRIER_NOSPEC
void do_barrier_nospec_fixups_range(bool enable, void *start, void *end);
#else
static inline void do_barrier_nospec_fixups_range(bool enable, void *start, void *end) { };