[03/11] tools/kernel.h: extend with dummy RCU functions
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Message ID 20200218024133.5059-4-sashal@kernel.org
State New
Headers show
Series
  • [01/11] tools headers: Add kprobes.h header
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Commit Message

Sasha Levin Feb. 18, 2020, 2:41 a.m. UTC
These calls were added by 108c14858b9e ("locking/lockdep: Add support
for dynamic keys") and require no special handling in userspace, so just
add empty function definitions.

Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/include/linux/kernel.h | 7 +++++++
 1 file changed, 7 insertions(+)

Patch
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diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index cba226948a0ce..d2b3e1cc0218e 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -119,4 +119,11 @@  int scnprintf_pad(char * buf, size_t size, const char * fmt, ...);
 #define current_gfp_context(k) 0
 #define synchronize_rcu()
 
+static __maybe_unused int system_state;
+#define SYSTEM_SCHEDULING 0
+
+#define might_sleep()
+#define rcu_read_lock()
+#define rcu_read_unlock()
+
 #endif