| Date | Fri, 05 Apr 2019 17:07:23 +0200 | From | Thomas Gleixner <> | Subject | [patch V2 25/29] x86/irq/32: Invoke irq_ctx_init() from init_IRQ() |
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irq_ctx_init() is invoked from native_init_IRQ() or from xen_init_IRQ() code. There is no reason to have this split. The interrupt stacks must be allocated no matter what.
Invoke it from init_IRQ() before invoking the native or XEN init implementation.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Juergen Gross <jgross@suse.com> --- arch/x86/kernel/irqinit.c | 4 ++-- drivers/xen/events/events_base.c | 1 - 2 files changed, 2 insertions(+), 3 deletions(-)
--- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -91,6 +91,8 @@ void __init init_IRQ(void) for (i = 0; i < nr_legacy_irqs(); i++) per_cpu(vector_irq, 0)[ISA_IRQ_VECTOR(i)] = irq_to_desc(i); + irq_ctx_init(smp_processor_id()); + x86_init.irqs.intr_init(); } @@ -104,6 +106,4 @@ void __init native_init_IRQ(void) if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs()) setup_irq(2, &irq2); - - irq_ctx_init(smp_processor_id()); } --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1687,7 +1687,6 @@ void __init xen_init_IRQ(void) #ifdef CONFIG_X86 if (xen_pv_domain()) { - irq_ctx_init(smp_processor_id()); if (xen_initial_domain()) pci_xen_initial_domain(); }
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