From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/include/linux/eventfd.h | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/kernel/include/linux/eventfd.h b/kernel/include/linux/eventfd.h
index 3f24ec0..ce1cf42 100644
--- a/kernel/include/linux/eventfd.h
+++ b/kernel/include/linux/eventfd.h
@@ -14,7 +14,6 @@
#include <linux/err.h>
#include <linux/percpu-defs.h>
#include <linux/percpu.h>
-#include <linux/sched.h>
/*
* CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining
@@ -44,9 +43,11 @@
int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait,
__u64 *cnt);
-static inline bool eventfd_signal_allowed(void)
+DECLARE_PER_CPU(int, eventfd_wake_count);
+
+static inline bool eventfd_signal_count(void)
{
- return !current->in_eventfd_signal;
+ return this_cpu_read(eventfd_wake_count);
}
#else /* CONFIG_EVENTFD */
@@ -83,9 +84,9 @@
return -ENOSYS;
}
-static inline bool eventfd_signal_allowed(void)
+static inline bool eventfd_signal_count(void)
{
- return true;
+ return false;
}
#endif
--
Gitblit v1.6.2