diff mbox series

[PULL,17/74] seqlock: constify seqlock_read_begin

Message ID 1534870966-9287-18-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/74] tests: virtio: separate ccw tests from libqos | expand

Commit Message

Paolo Bonzini Aug. 21, 2018, 5:01 p.m. UTC 
From: "Emilio G. Cota" <cota@braap.org>

Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/qemu/seqlock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/qemu/seqlock.h b/include/qemu/seqlock.h
index 8dee11d..c367516 100644
--- a/include/qemu/seqlock.h
+++ b/include/qemu/seqlock.h
@@ -45,7 +45,7 @@  static inline void seqlock_write_end(QemuSeqLock *sl)
     atomic_set(&sl->sequence, sl->sequence + 1);
 }
 
-static inline unsigned seqlock_read_begin(QemuSeqLock *sl)
+static inline unsigned seqlock_read_begin(const QemuSeqLock *sl)
 {
     /* Always fail if a write is in progress.  */
     unsigned ret = atomic_read(&sl->sequence);