From d8573e20d5d6974305599dde42b5dd7583310ccf Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 13 Jul 2006 16:05:26 -0700 Subject: [PATCH] [SPARC64]: Make sure IRQs are disabled properly during early boot. Else we trigger the new irqs_disable() assertion in start_kernel(). Signed-off-by: David S. Miller --- arch/sparc64/kernel/head.S | 13 ++++++------- arch/sparc64/kernel/time.c | 2 -- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 75684b56767e..c8e9dc9d68a9 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -551,9 +551,10 @@ setup_trap_table: save %sp, -192, %sp /* Force interrupts to be disabled. */ - rdpr %pstate, %o1 - andn %o1, PSTATE_IE, %o1 + rdpr %pstate, %l0 + andn %l0, PSTATE_IE, %o1 wrpr %o1, 0x0, %pstate + rdpr %pil, %l1 wrpr %g0, 15, %pil /* Make the firmware call to jump over to the Linux trap table. */ @@ -622,11 +623,9 @@ setup_trap_table: call init_irqwork_curcpu nop - /* Now we can turn interrupts back on. */ - rdpr %pstate, %o1 - or %o1, PSTATE_IE, %o1 - wrpr %o1, 0, %pstate - wrpr %g0, 0x0, %pil + /* Now we can restore interrupt state. */ + wrpr %l0, 0, %pstate + wrpr %l1, 0x0, %pil ret restore diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index b43de647ba73..094d3e35be18 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -928,8 +928,6 @@ static void sparc64_start_timers(void) __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : /* no outputs */ : "r" (pstate)); - - local_irq_enable(); } struct freq_table { -- 2.20.1