[SPARC64]: Fix bogus flush instruction usage.

Some of the trap code was still assuming that alternate
global %g6 was hard coded with current_thread_info().
Let's just consistently flush at KERNBASE when we need
a pipeline synchronization.  That's locked into the TLB
and will always work.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/sparc64/kernel/winfixup.S b/arch/sparc64/kernel/winfixup.S
index de588036df43..c0545d089c96 100644
--- a/arch/sparc64/kernel/winfixup.S
+++ b/arch/sparc64/kernel/winfixup.S
@@ -20,7 +20,8 @@ set_pcontext:
         ldx     [%l1 + %lo(sparc64_kern_pri_context)], %l1
         mov     PRIMARY_CONTEXT, %g1
         stxa    %l1, [%g1] ASI_DMMU
-        flush   %g6
+        sethi   %hi(KERNBASE), %l1
+        flush   %l1
         retl
          nop