[xen stable-4.18] x86/msi: prevent watchdog triggering when dumping MSI state

[patchbot@xxxxxxx]

commit 1ffb29d132600e6a7965c2885505615a6fd6c647
Author:     Roger Pau Monné <roger.pau@xxxxxxxxxx>
AuthorDate: Wed Jun 26 13:36:52 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 26 13:36:52 2024 +0200

    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>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 594b22ca5be681ec1b42c34f321cc2600d582210
    master date: 2024-05-20 14:29:44 +0100
---
 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 a78367d7cf..3eaeffd1e0 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>
@@ -1405,6 +1406,9 @@ 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;
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.18