Commit dce69259 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Boris Ostrovsky
Browse files

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



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

Signed-off-by: default avatarThomas 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: default avatarJuergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/877deicqqy.ffs@tglx


Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent 4745ea26

arch/x86/xen/smp.c

+0 −4
Original line number Diff line number Diff line
@@ -268,20 +268,16 @@ void xen_send_IPI_allbutself(int vector) 


static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id)

{

	irq_enter();

	generic_smp_call_function_interrupt();

	inc_irq_stat(irq_call_count);

	irq_exit();



	return IRQ_HANDLED;

}



static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)

{

	irq_enter();

	generic_smp_call_function_single_interrupt();

	inc_irq_stat(irq_call_count);

	irq_exit();



	return IRQ_HANDLED;

}

arch/x86/xen/smp_pv.c

+0 −2
Original line number Diff line number Diff line
@@ -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)

{

	irq_enter();

	irq_work_run();

	inc_irq_stat(apic_irq_work_irqs);

	irq_exit();



	return IRQ_HANDLED;

}