* [PATCH] x86/vector: Add missing annotation for void lock_vector_lock() and unlock_vector_lock()
@ 2021-10-01 23:14 Jules Irenge
0 siblings, 0 replies; only message in thread
From: Jules Irenge @ 2021-10-01 23:14 UTC (permalink / raw)
To: linux-kernel
Cc: Jules Irenge, Thomas Gleixner, Ingo Molnar, Borislav Petkov, x86,
H. Peter Anvin, David Woodhouse, Maciej W. Rozycki
Sparse reports a warning at lock_vector_lock() and unlock_vector_lock()
The root cause is the missing annotations at lock_vector_lock() and unlock_vector_lock()
Add the missing __acquires(&vector_lock)
Add the missing __releases(&vector_lock)
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
arch/x86/kernel/apic/vector.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index c132daabe615..c824c346e501 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -48,6 +48,7 @@ static DEFINE_PER_CPU(struct hlist_head, cleanup_list);
#endif
void lock_vector_lock(void)
+ __acquires(&vector_lock)
{
/* Used to the online set of cpus does not change
* during assign_irq_vector.
@@ -56,6 +57,7 @@ void lock_vector_lock(void)
}
void unlock_vector_lock(void)
+ __releases(&vector_lock)
{
raw_spin_unlock(&vector_lock);
}
--
2.32.0
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