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Message-Id: <20210923171111.300673-9-andrealmeid@collabora.com>
Date: Thu, 23 Sep 2021 14:10:57 -0300
From: André Almeida <andrealmeid@...labora.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Darren Hart <dvhart@...radead.org>,
linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: kernel@...labora.com, krisman@...labora.com,
linux-api@...r.kernel.org, libc-alpha@...rceware.org,
mtk.manpages@...il.com, Davidlohr Bueso <dave@...olabs.net>,
Arnd Bergmann <arnd@...db.de>,
André Almeida <andrealmeid@...labora.com>
Subject: [PATCH v2 08/22] futex: Rename: {get,cmpxchg}_futex_value_locked()
From: Peter Zijlstra <peterz@...radead.org>
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@...radead.org>
Reviewed-by: André Almeida <andrealmeid@...labora.com>
Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
kernel/futex/core.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index 032189fa7b7f..0e10aeef3468 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -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 @@ int futex_requeue(u32 __user *uaddr1, unsigned int flags, u32 __user *uaddr2,
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 @@ static int __fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
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 @@ static int futex_wait_setup(u32 __user *uaddr, u32 val, unsigned int flags,
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 @@ int futex_unlock_pi(u32 __user *uaddr, unsigned int flags)
* 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 @@ static int handle_futex_death(u32 __user *uaddr, struct task_struct *curr,
* 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
}
--
2.33.0
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