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[RFC,v2,03/13] eventfd: Increase the recursion depth of eventfd_signal()

Message ID 20201222145221.711-4-xieyongji@bytedance.com (mailing list archive)
State New, archived
Headers show
Series Introduce VDUSE - vDPA Device in Userspace | expand

Commit Message

Yongji Xie Dec. 22, 2020, 2:52 p.m. UTC 
Increase the recursion depth of eventfd_signal() to 1. This
will be used in VDUSE case later.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
---
 fs/eventfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/eventfd.c b/fs/eventfd.c
index 2df24f9bada3..478cdc175949 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -25,7 +25,7 @@ 
 #include <linux/idr.h>
 #include <linux/uio.h>
 
-#define EVENTFD_WAKE_DEPTH 0
+#define EVENTFD_WAKE_DEPTH 1
 
 DEFINE_PER_CPU(int, eventfd_wake_count);