x86: Move irq_init to x86_init_ops
irq_init is overridden by x86_quirks and by paravirts. Unify the whole
mess and make it an unconditional x86_init_ops function which defaults
to the standard function and can be overridden by the early platform
code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index ec8b311..eafd341 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -265,7 +265,6 @@
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
- .arch_intr_init = NULL,
.arch_trap_init = NULL,
};
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index acdf088..e0142cd 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -140,8 +140,10 @@
}
}
-/* Overridden in paravirt.c */
-void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+void init_IRQ(void)
+{
+ x86_init.irqs.intr_init();
+}
static void __init smp_intr_init(void)
{
@@ -238,12 +240,6 @@
#ifdef CONFIG_X86_32
/*
- * Call quirks after call gates are initialised (usually add in
- * the architecture specific gates):
- */
- x86_quirk_intr_init();
-
- /*
* External FPU? Set up irq13 if so, for
* original braindamaged IBM FERR coupling.
*/
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 532c9a2..d76bfbe 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -183,11 +183,6 @@
return insn_len;
}
-void init_IRQ(void)
-{
- pv_irq_ops.init_IRQ();
-}
-
static void native_flush_tlb(void)
{
__native_flush_tlb();
@@ -328,7 +323,6 @@
};
struct pv_irq_ops pv_irq_ops = {
- .init_IRQ = native_init_IRQ,
.save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
.restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
.irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 54043cb..d3da0f7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1021,23 +1021,6 @@
#ifdef CONFIG_X86_32
/**
- * x86_quirk_intr_init - post gate setup interrupt initialisation
- *
- * Description:
- * Fill in any interrupts that may have been left out by the general
- * init_IRQ() routine. interrupts having to do with the machine rather
- * than the devices on the I/O bus (like APIC interrupts in intel MP
- * systems) are started here.
- **/
-void __init x86_quirk_intr_init(void)
-{
- if (x86_quirks->arch_intr_init) {
- if (x86_quirks->arch_intr_init())
- return;
- }
-}
-
-/**
* x86_quirk_trap_init - initialise system specific traps
*
* Description:
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 1d6309d..a490137 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -228,7 +228,6 @@
static struct x86_quirks visws_x86_quirks __initdata = {
.arch_time_init = visws_time_init,
- .arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
};
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index f2abe21..8cb5933 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -39,5 +39,6 @@
.irqs = {
.pre_vector_init = init_ISA_irqs,
+ .intr_init = native_init_IRQ,
},
};