[xen staging] xen/arm/irq: allow eSPI processing in the gic_interrupt function

[patchbot@xxxxxxx]

commit 54ba8a8d047a74609000d49bc676edc19bc1e5d6
Author:     Leonid Komarianskyi <Leonid_Komarianskyi@xxxxxxxx>
AuthorDate: Tue Sep 9 10:09:20 2025 +0000
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
CommitDate: Tue Sep 9 16:32:00 2025 -0700

    xen/arm/irq: allow eSPI processing in the gic_interrupt function
    
    The gic_interrupt function is the main handler for processing IRQs.
    Currently, due to restrictive checks, it does not process interrupt
    numbers greater than 1019. This patch updates the condition to allow
    the handling of interrupts from the eSPI range.
    
    Signed-off-by: Leonid Komarianskyi <leonid_komarianskyi@xxxxxxxx>
    Reviewed-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 xen/arch/arm/gic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 9469c9d08c..260ee64cca 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -342,7 +342,7 @@ void gic_interrupt(struct cpu_user_regs *regs, int is_fiq)
         /* Reading IRQ will ACK it */
         irq = gic_hw_ops->read_irq();
 
-        if ( likely(irq >= GIC_SGI_STATIC_MAX && irq < 1020) )
+        if ( likely(irq >= GIC_SGI_STATIC_MAX && irq < 1020) || is_espi(irq) )
         {
             isb();
             do_IRQ(regs, irq, is_fiq);
--
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