[SPARC64]: Patch up mmu context register writes for sun4v.

sun4v uses ASI_MMU instead of ASI_DMMU

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 5 deletions

diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 1d232678821d..2760353591ab 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -41,11 +41,16 @@ extern void smp_tsb_sync(struct mm_struct *mm);
 
 /* Set MMU context in the actual hardware. */
 #define load_secondary_context(__mm) \
-        __asm__ __volatile__("stxa      %0, [%1] %2\n\t" \
-                             "flush     %%g6" \
-                             : /* No outputs */ \
-                             : "r" (CTX_HWBITS((__mm)->context)), \
-                               "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU))
+        __asm__ __volatile__( \
+        "\n661: stxa            %0, [%1] %2\n" \
+        "       .section        .sun4v_1insn_patch, \"ax\"\n" \
+        "       .word           661b\n" \
+        "       stxa            %0, [%1] %3\n" \
+        "       .previous\n" \
+        "       flush           %%g6\n" \
+        : /* No outputs */ \
+        : "r" (CTX_HWBITS((__mm)->context)), \
+          "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU))
 
 extern void __flush_tlb_mm(unsigned long, unsigned long);