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authorThomas Gleixner <tglx@linutronix.de>2021-10-12 15:33:09 +0200
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2021-11-02 07:45:44 -0500
commitdce69259aebbc43b248d3593e46bdc7d4d33d94c (patch)
treedcd4bc1390096966770f72ab235d7ce9a1bd6858
parent4745ea2628bb43a7ec34b71763b5a56407b33990 (diff)
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: 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>
-rw-r--r--arch/x86/xen/smp.c4
-rw-r--r--arch/x86/xen/smp_pv.c2
2 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index c1b2f764b29a..8f6d3dfaffa0 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -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;
}
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 7ed56c6075b0..9e55bcbfcd33 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -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;
}