X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=arch%2Fpowerpc%2Fmm%2Fmmu_context_book3s64.c;h=3ef0a89503bfb3b19dd9f31677541632e7e659d6;hp=c6dca2ae78ef9f1225dd6a13e0997034132315a4;hb=74e27c6af56fe6898c3c8c451595746a992f0f0f;hpb=8e3f1b1d8255105f31556aacf8aeb6071b00d469;ds=sidebyside

diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c
index c6dca2ae78ef..3ef0a89503bf 100644
--- a/arch/powerpc/mm/mmu_context_book3s64.c
+++ b/arch/powerpc/mm/mmu_context_book3s64.c
@@ -235,10 +235,15 @@ void destroy_context(struct mm_struct *mm)
 #ifdef CONFIG_PPC_RADIX_MMU
 void radix__switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
 {
-	asm volatile("isync": : :"memory");
-	mtspr(SPRN_PID, next->context.id);
-	asm volatile("isync \n"
-		     PPC_SLBIA(0x7)
-		     : : :"memory");
+
+	if (cpu_has_feature(CPU_FTR_POWER9_DD1)) {
+		isync();
+		mtspr(SPRN_PID, next->context.id);
+		isync();
+		asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
+	} else {
+		mtspr(SPRN_PID, next->context.id);
+		isync();
+	}
 }
 #endif