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authorJuergen Gross <jgross@suse.com>2020-10-22 11:49:05 +0200
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2020-10-23 05:41:25 -0500
commitd04b1ae5a9b0c868dda8b4b34175ef08f3cb9e93 (patch)
tree899e26bcd9a99801da587fb64a2d9cb7ec702398 /drivers/xen
parent7e14cde10b1ea8157cca7b6b56901ef9cd4d36a3 (diff)
xen/events: only register debug interrupt for 2-level events
xen_debug_interrupt() is specific to 2-level event handling. So don't register it with fifo event handling being active. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> Link: https://lore.kernel.org/r/20201022094907.28560-4-jgross@suse.com Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events/events_base.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 1c25580c7691..6038c4c35db5 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -2050,8 +2050,8 @@ void xen_setup_callback_vector(void) {}
static inline void xen_alloc_callback_vector(void) {}
#endif
-static bool fifo_events = true;
-module_param(fifo_events, bool, 0);
+bool xen_fifo_events = true;
+module_param_named(fifo_events, xen_fifo_events, bool, 0);
static int xen_evtchn_cpu_prepare(unsigned int cpu)
{
@@ -2080,10 +2080,12 @@ void __init xen_init_IRQ(void)
int ret = -EINVAL;
evtchn_port_t evtchn;
- if (fifo_events)
+ if (xen_fifo_events)
ret = xen_evtchn_fifo_init();
- if (ret < 0)
+ if (ret < 0) {
xen_evtchn_2l_init();
+ xen_fifo_events = false;
+ }
xen_cpu_init_eoi(smp_processor_id());