diff options
| author | Borislav Petkov <bp@suse.de> | 2015-08-12 18:29:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-13 10:12:53 +0200 |
| commit | 9a7783d02197f299f71b4fa2364a345c05f92b83 (patch) | |
| tree | 86b3fe6f6c06fc8681f083fca01d5238b84c9457 /arch/x86/kernel/cpu/mcheck/mce.c | |
| parent | 9b45ef443acde55526485db37440cd3e8f03d544 (diff) | |
x86/mce: Rename rcu_dereference_check_mce() to mce_log_get_idx_check()
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 <bp@suse.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-12-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/mce.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 8 |
1 files 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; |