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-rw-r--r--arch/powerpc/kernel/process.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e4d71ced97ef..9d255b4f0a0e 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -371,6 +371,9 @@ int set_dabr(unsigned long dabr)
/* XXX should we have a CPU_FTR_HAS_DABR ? */
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
mtspr(SPRN_DAC1, dabr);
+#ifdef CONFIG_PPC_47x
+ isync();
+#endif
#elif defined(CONFIG_PPC_BOOK3S)
mtspr(SPRN_DABR, dabr);
#endif