[SPARC64]: Kill hard-coded %pstate setting in sparc_exit.

Just flip the bit off of whatever it's currently set to.
PSTATE_IE is guarenteed to be enabled when we get here.

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

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index ad919f4..563fa4e 100644 (file)
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1475,13 +1475,14 @@ ret_from_syscall:
 
 1:             b,pt            %xcc, ret_sys_call
                 ldx            [%sp + PTREGS_OFF + PT_V9_I0], %o0
-sparc_exit:    wrpr            %g0, (PSTATE_RMO | PSTATE_PEF | PSTATE_PRIV), %pstate
+sparc_exit:    rdpr            %pstate, %g2
+               wrpr            %g2, PSTATE_IE, %pstate
                rdpr            %otherwin, %g1
                rdpr            %cansave, %g3
                add             %g3, %g1, %g3
                wrpr            %g3, 0x0, %cansave
                wrpr            %g0, 0x0, %otherwin
-               wrpr            %g0, (PSTATE_RMO | PSTATE_PEF | PSTATE_PRIV | PSTATE_IE), %pstate
+               wrpr            %g2, 0x0, %pstate
                ba,pt           %xcc, sys_exit
                 stb            %g0, [%g6 + TI_WSAVED]