[Xen-devel] [PATCH] x86/acpi: process softirqs while printing CPU ACPI data

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

Or else the watchdog triggers on boxes with a huge number of CPUs

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Reported-by: Simon Crowe <simon.crowe@xxxxxxxxxx>
---
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/acpi/cpu_idle.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index cb1c5da36c..bad2785e37 100644
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -352,7 +352,10 @@ static void dump_cx(unsigned char key)
     printk("'%c' pressed -> printing ACPI Cx structures\n", key);
     for_each_online_cpu ( cpu )
         if (processor_powers[cpu])
+        {
             print_acpi_power(cpu, processor_powers[cpu]);
+            process_pending_softirqs();
+        }
 }
 
 static int __init cpu_idle_key_init(void)
-- 
2.15.1


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