[Xen-changelog] [xen master] AMD/IOMMU: process softirqs while dumping IRTs

[patchbot@xxxxxxx]

commit df2030c34cc9161dd9e35c0e8c55057e101ac81a
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Jul 22 12:03:46 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Jul 22 12:03:46 2019 +0200

    AMD/IOMMU: process softirqs while dumping IRTs
    
    When there are sufficiently many devices listed in the ACPI tables (no
    matter if they actually exist), output may take way longer than the
    watchdog would like.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Brian Woods <brian.woods@xxxxxxx>
---
 xen/drivers/passthrough/amd/iommu_intr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/drivers/passthrough/amd/iommu_intr.c 
b/xen/drivers/passthrough/amd/iommu_intr.c
index 925651ec2d..edc3cae431 100644
--- a/xen/drivers/passthrough/amd/iommu_intr.c
+++ b/xen/drivers/passthrough/amd/iommu_intr.c
@@ -22,6 +22,7 @@
 #include <asm/hvm/svm/amd-iommu-proto.h>
 #include <asm/io_apic.h>
 #include <xen/keyhandler.h>
+#include <xen/softirq.h>
 
 #define INTREMAP_TABLE_ORDER    1
 #define INTREMAP_LENGTH 0xB
@@ -698,6 +699,8 @@ static int dump_intremap_mapping(u16 seg, struct 
ivrs_mappings *ivrs_mapping)
     dump_intremap_table(ivrs_mapping->intremap_table);
     spin_unlock_irqrestore(&(ivrs_mapping->intremap_lock), flags);
 
+    process_pending_softirqs();
+
     return 0;
 }
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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