]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
futex: Rename: {get,cmpxchg}_futex_value_locked()
authorPeter Zijlstra <peterz@infradead.org>
Thu, 23 Sep 2021 17:10:57 +0000 (14:10 -0300)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 7 Oct 2021 11:51:09 +0000 (13:51 +0200)
In order to prepare introducing these symbols into the global
namespace; rename them:

 s/\<\([^_ ]*\)_futex_value_locked/futex_\1_value_locked/g

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: André Almeida <andrealmeid@collabora.com>
Link: https://lore.kernel.org/r/20210923171111.300673-9-andrealmeid@collabora.com
kernel/futex/core.c

index 032189fa7b7f9b05f7dfa362131fad3b3c4e67a2..0e10aeef346827d7619598886173273ed755bc92 100644 (file)
@@ -732,7 +732,7 @@ static struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb,
        return NULL;
 }
 
-static int cmpxchg_futex_value_locked(u32 *curval, u32 __user *uaddr,
+static int futex_cmpxchg_value_locked(u32 *curval, u32 __user *uaddr,
                                      u32 uval, u32 newval)
 {
        int ret;
@@ -744,7 +744,7 @@ static int cmpxchg_futex_value_locked(u32 *curval, u32 __user *uaddr,
        return ret;
 }
 
-static int get_futex_value_locked(u32 *dest, u32 __user *from)
+static int futex_get_value_locked(u32 *dest, u32 __user *from)
 {
        int ret;
 
@@ -1070,7 +1070,7 @@ static int attach_to_pi_state(u32 __user *uaddr, u32 uval,
         * still is what we expect it to be, otherwise retry the entire
         * operation.
         */
-       if (get_futex_value_locked(&uval2, uaddr))
+       if (futex_get_value_locked(&uval2, uaddr))
                goto out_efault;
 
        if (uval != uval2)
@@ -1220,7 +1220,7 @@ static int handle_exit_race(u32 __user *uaddr, u32 uval,
         * The same logic applies to the case where the exiting task is
         * already gone.
         */
-       if (get_futex_value_locked(&uval2, uaddr))
+       if (futex_get_value_locked(&uval2, uaddr))
                return -EFAULT;
 
        /* If the user space value has changed, try again. */
@@ -1341,7 +1341,7 @@ static int lock_pi_update_atomic(u32 __user *uaddr, u32 uval, u32 newval)
        if (unlikely(should_fail_futex(true)))
                return -EFAULT;
 
-       err = cmpxchg_futex_value_locked(&curval, uaddr, uval, newval);
+       err = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
        if (unlikely(err))
                return err;
 
@@ -1388,7 +1388,7 @@ static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb,
         * Read the user space value first so we can validate a few
         * things before proceeding further.
         */
-       if (get_futex_value_locked(&uval, uaddr))
+       if (futex_get_value_locked(&uval, uaddr))
                return -EFAULT;
 
        if (unlikely(should_fail_futex(true)))
@@ -1559,7 +1559,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_pi_state *pi_
                goto out_unlock;
        }
 
-       ret = cmpxchg_futex_value_locked(&curval, uaddr, uval, newval);
+       ret = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
        if (!ret && (curval != uval)) {
                /*
                 * If a unconditional UNLOCK_PI operation (user space did not
@@ -2006,7 +2006,7 @@ futex_proxy_trylock_atomic(u32 __user *pifutex, struct futex_hash_bucket *hb1,
        u32 curval;
        int ret;
 
-       if (get_futex_value_locked(&curval, pifutex))
+       if (futex_get_value_locked(&curval, pifutex))
                return -EFAULT;
 
        if (unlikely(should_fail_futex(true)))
@@ -2182,7 +2182,7 @@ retry_private:
        if (likely(cmpval != NULL)) {
                u32 curval;
 
-               ret = get_futex_value_locked(&curval, uaddr1);
+               ret = futex_get_value_locked(&curval, uaddr1);
 
                if (unlikely(ret)) {
                        double_unlock_hb(hb1, hb2);
@@ -2628,14 +2628,14 @@ retry:
        if (!pi_state->owner)
                newtid |= FUTEX_OWNER_DIED;
 
-       err = get_futex_value_locked(&uval, uaddr);
+       err = futex_get_value_locked(&uval, uaddr);
        if (err)
                goto handle_err;
 
        for (;;) {
                newval = (uval & FUTEX_OWNER_DIED) | newtid;
 
-               err = cmpxchg_futex_value_locked(&curval, uaddr, uval, newval);
+               err = futex_cmpxchg_value_locked(&curval, uaddr, uval, newval);
                if (err)
                        goto handle_err;
 
@@ -2872,7 +2872,7 @@ retry:
 retry_private:
        *hb = futex_q_lock(q);
 
-       ret = get_futex_value_locked(&uval, uaddr);
+       ret = futex_get_value_locked(&uval, uaddr);
 
        if (ret) {
                futex_q_unlock(*hb);
@@ -3250,7 +3250,7 @@ retry:
         * preserve the WAITERS bit not the OWNER_DIED one. We are the
         * owner.
         */
-       if ((ret = cmpxchg_futex_value_locked(&curval, uaddr, uval, 0))) {
+       if ((ret = futex_cmpxchg_value_locked(&curval, uaddr, uval, 0))) {
                spin_unlock(&hb->lock);
                switch (ret) {
                case -EFAULT:
@@ -3588,7 +3588,7 @@ retry:
         * does not guarantee R/W access. If that fails we
         * give up and leave the futex locked.
         */
-       if ((err = cmpxchg_futex_value_locked(&nval, uaddr, uval, mval))) {
+       if ((err = futex_cmpxchg_value_locked(&nval, uaddr, uval, mval))) {
                switch (err) {
                case -EFAULT:
                        if (fault_in_user_writeable(uaddr))
@@ -3934,7 +3934,7 @@ static void __init futex_detect_cmpxchg(void)
         * implementation, the non-functional ones will return
         * -ENOSYS.
         */
-       if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT)
+       if (futex_cmpxchg_value_locked(&curval, NULL, 0, 0) == -EFAULT)
                futex_cmpxchg_enabled = 1;
 #endif
 }