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x86/xen: Remove redundant irq_enter/exit() invocations

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All these handlers are regular device interrupt handlers, so they already
went through the proper entry code which handles this correctly.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: x86@kernel.org
Cc: xen-devel@lists.xenproject.org
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/877deicqqy.ffs@tglx
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Thomas Gleixner 2021-10-12 15:33:09 +02:00 • committed by Boris Ostrovsky
parent 4745ea2628
commit dce69259ae
2 changed files with 0 additions and 6 deletions
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4
arch/x86/xen/smp.c
View file

@ -268,20 +268,16 @@ void xen_send_IPI_allbutself(int vector)
static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id) static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id)
{ {
irq_enter();
generic_smp_call_function_interrupt(); generic_smp_call_function_interrupt();
inc_irq_stat(irq_call_count); inc_irq_stat(irq_call_count);
irq_exit();
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id) static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)
{ {
irq_enter();
generic_smp_call_function_single_interrupt(); generic_smp_call_function_single_interrupt();
inc_irq_stat(irq_call_count); inc_irq_stat(irq_call_count);
irq_exit();
return IRQ_HANDLED; return IRQ_HANDLED;
} }

2
arch/x86/xen/smp_pv.c
View file

@ -458,10 +458,8 @@ static void xen_pv_stop_other_cpus(int wait)
static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id) static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id)
{ {
irq_enter();
irq_work_run(); irq_work_run();
inc_irq_stat(apic_irq_work_irqs); inc_irq_stat(apic_irq_work_irqs);
irq_exit();
return IRQ_HANDLED; return IRQ_HANDLED;
} }