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OpenCloudOS-Kernel
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[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>
This commit is contained in:
David S. Miller 2006-01-31 18:34:06 -08:00 committed by David S. Miller
parent 2f7ee7c63f
commit 764afe2edb
1 changed files with 3 additions and 2 deletions
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5
arch/sparc64/kernel/entry.S
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@ -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]