summaryrefslogtreecommitdiffstats
path: root/include/linux/rwlock.h
diff options
context:
space:
mode:
authorIngo Molnar2017-11-14 07:21:44 +0100
committerIngo Molnar2017-11-14 07:21:44 +0100
commit050ab10a645097e47c01cfab3ccf24167e9b266b (patch)
tree686b17c63933f187305a87fba696415dccd032ae /include/linux/rwlock.h
parentobjtool: Fix cross-build (diff)
parentx86 / CPU: Avoid unnecessary IPIs in arch_freq_get_on_cpu() (diff)
downloadkernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.gz
kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.xz
kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.zip
Merge branch 'linus' into core/objtool, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/rwlock.h')
-rw-r--r--include/linux/rwlock.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h
index bc2994ed66e1..3dcd617e65ae 100644
--- a/include/linux/rwlock.h
+++ b/include/linux/rwlock.h
@@ -38,6 +38,15 @@ do { \
extern int do_raw_write_trylock(rwlock_t *lock);
extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock);
#else
+
+#ifndef arch_read_lock_flags
+# define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#endif
+
+#ifndef arch_write_lock_flags
+# define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
+#endif
+
# define do_raw_read_lock(rwlock) do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0)
# define do_raw_read_lock_flags(lock, flags) \
do {__acquire(lock); arch_read_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
@@ -50,9 +59,6 @@ do { \
# define do_raw_write_unlock(rwlock) do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
#endif
-#define read_can_lock(rwlock) arch_read_can_lock(&(rwlock)->raw_lock)
-#define write_can_lock(rwlock) arch_write_can_lock(&(rwlock)->raw_lock)
-
/*
* Define the various rw_lock methods. Note we define these
* regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The various