Commit fc504928 authored by David S. Miller's avatar David S. Miller

[SPARC64]: Drop %gl to 0 before re-enabling PSTATE_IE in rtrap

If we take a window fault, on SUN4V set %gl to zero before we
turn PSTATE_IE back on in %pstate.  Otherwise if we take an
interrupt we'll end up with corrupt register state.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d7744a09
......@@ -333,7 +333,6 @@ user_rtt_fill_fixup:
mov %g6, %l1
wrpr %g0, 0x0, %tl
wrpr %g0, RTRAP_PSTATE, %pstate
661: nop
.section .sun4v_1insn_patch, "ax"
......@@ -341,6 +340,8 @@ user_rtt_fill_fixup:
SET_GL(0)
.previous
wrpr %g0, RTRAP_PSTATE, %pstate
mov %l1, %g6
ldx [%g6 + TI_TASK], %g4
LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3)
......
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