powerpc/64s: flush L1D after user accesses

[linux-2.6-microblaze.git] / arch / powerpc / include / asm / feature-fixups.h

diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h
index 06a4821..fbd406c 100644 (file)
--- a/arch/powerpc/include/asm/feature-fixups.h
+++ b/arch/powerpc/include/asm/feature-fixups.h
@@ -205,6 +205,14 @@ label##3:                                          \
        FTR_ENTRY_OFFSET 955b-956b;                     \
        .popsection;
 
+#define UACCESS_FLUSH_FIXUP_SECTION                    \
+959:                                                   \
+       .pushsection __uaccess_flush_fixup,"a";         \
+       .align 2;                                       \
+960:                                                   \
+       FTR_ENTRY_OFFSET 959b-960b;                     \
+       .popsection;
+
 #define ENTRY_FLUSH_FIXUP_SECTION                      \
 957:                                                   \
        .pushsection __entry_flush_fixup,"a";           \
@@ -248,6 +256,7 @@ extern long stf_barrier_fallback;
 extern long entry_flush_fallback;
 extern long __start___stf_entry_barrier_fixup, __stop___stf_entry_barrier_fixup;
 extern long __start___stf_exit_barrier_fixup, __stop___stf_exit_barrier_fixup;
+extern long __start___uaccess_flush_fixup, __stop___uaccess_flush_fixup;
 extern long __start___entry_flush_fixup, __stop___entry_flush_fixup;
 extern long __start___rfi_flush_fixup, __stop___rfi_flush_fixup;
 extern long __start___barrier_nospec_fixup, __stop___barrier_nospec_fixup;