seqlock: constify seqlock_read_begin
Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
parent
410573aa2c
commit
c04649eeea
@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user