From af02bec66294c76fba181c665c68a31fd4392020 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 16 Feb 2006 16:23:45 -0800 Subject: [PATCH] [SPARC64]: Fix return from trap on SUN4V. We need to set the global register set _AND_ disable PSTATE_IE in %pstate. The original patch sequence was leaving PSTATE_IE enabled when returning to kernel mode, oops. This fixes the random register corruption being seen on SUN4V. Signed-off-by: David S. Miller --- arch/sparc64/kernel/rtrap.S | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S index 551f719820..1e724fe172 100644 --- a/arch/sparc64/kernel/rtrap.S +++ b/arch/sparc64/kernel/rtrap.S @@ -234,8 +234,10 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1 /* Normal globals are restored, go to trap globals. */ 661: wrpr %g0, RTRAP_PSTATE_AG_IRQOFF, %pstate - .section .sun4v_1insn_patch, "ax" + nop + .section .sun4v_2insn_patch, "ax" .word 661b + wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate SET_GL(1) .previous -- 2.20.1