From: Borislav Petkov <b...@suse.de>
The "rcu_" prefix misleads for it being a proper RCU interface which
is not. It basically checks whether we're preemptible or holding the
chrdev_read mutex.
Rename it accordingly.
Signed-off-by: Borislav Petkov <b...@suse.de>
Acked-by: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
---
arch/x86/kernel/cpu/mcheck/mce.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index ee5272d77a16..b979711452a5 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -52,11 +52,11 @@
static DEFINE_MUTEX(mce_chrdev_read_mutex);
-#define rcu_dereference_check_mce(p) \
+#define mce_log_get_idx_check(p) \
({ \
rcu_lockdep_assert(rcu_read_lock_sched_held() || \
lockdep_is_held(&mce_chrdev_read_mutex), \
- "suspicious rcu_dereference_check_mce() usage"); \
+ "suspicious mce_log_get_idx_check() usage"); \
smp_load_acquire(&(p)); \
})
@@ -165,7 +165,7 @@ void mce_log(struct mce *mce)
mce->finished = 0;
wmb();
for (;;) {
- entry = rcu_dereference_check_mce(mcelog.next);
+ entry = mce_log_get_idx_check(mcelog.next);
for (;;) {
/*
@@ -1812,7 +1812,7 @@ static ssize_t mce_chrdev_read(struct file *filp, char
__user *ubuf,
goto out;
}
- next = rcu_dereference_check_mce(mcelog.next);
+ next = mce_log_get_idx_check(mcelog.next);
/* Only supports full reads right now */
err = -EINVAL;
--
2.5.0.rc2.28.g6003e7f
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