[xen staging] x86/msi: prevent watchdog triggering when dumping MSI state

[patchbot@xxxxxxx]

commit 594b22ca5be681ec1b42c34f321cc2600d582210
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Fri May 17 15:56:05 2024 +0200
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Mon May 20 14:29:44 2024 +0100

    x86/msi: prevent watchdog triggering when dumping MSI state
    
    Use the same check that's used in dump_irqs().
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Release-acked-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/msi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/arch/x86/msi.c b/xen/arch/x86/msi.c
index 19830528b6..0c97fbb3fc 100644
--- a/xen/arch/x86/msi.c
+++ b/xen/arch/x86/msi.c
@@ -17,6 +17,7 @@
 #include <xen/param.h>
 #include <xen/pci.h>
 #include <xen/pci_regs.h>
+#include <xen/softirq.h>
 #include <xen/iocap.h>
 #include <xen/keyhandler.h>
 #include <xen/pfn.h>
@@ -1451,6 +1452,9 @@ static void cf_check dump_msi(unsigned char key)
         unsigned long flags;
         const char *type = "???";
 
+        if ( !(irq & 0x1f) )
+            process_pending_softirqs();
+
         if ( !irq_desc_initialized(desc) )
             continue;
 
--
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