From patchwork Thu Sep 23 17:10:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andr=C3=A9_Almeida?= X-Patchwork-Id: 45377 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 6C9593858401 for ; Thu, 23 Sep 2021 17:17:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6C9593858401 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1632417466; bh=UI+X9bw3soAHuQ8+zfOZRF2hGdYqOelOa8Lv6uJ3jrI=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=bILT4pH9vnNqNxuODW+u/NjvsE/5VSq4wFF1AkyrCGKE2tyRKMH23NIqki0XQz3zo ZOnnsyiguFwKpKSRrA3VhzTIZZSQ77BeysWbWGwH1RT2nzXhTVEy2nRup5alB1V5Md 6B29y17xVsDRcC5cWneEW5L8QCS+rUfHagjKzvZ0= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by sourceware.org (Postfix) with ESMTPS id 919063858438 for ; Thu, 23 Sep 2021 17:12:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 919063858438 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: tonyk) with ESMTPSA id DAF181F44602 To: Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , linux-kernel@vger.kernel.org, Steven Rostedt , Sebastian Andrzej Siewior Subject: [PATCH v2 08/22] futex: Rename: {get,cmpxchg}_futex_value_locked() Date: Thu, 23 Sep 2021 14:10:57 -0300 Message-Id: <20210923171111.300673-9-andrealmeid@collabora.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210923171111.300673-1-andrealmeid@collabora.com> References: <20210923171111.300673-1-andrealmeid@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_MANYTO, SPF_HELO_PASS, SPF_PASS, TXREP, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: =?utf-8?q?Andr=C3=A9_Almeida_via_Libc-alpha?= From: =?utf-8?q?Andr=C3=A9_Almeida?= Reply-To: =?utf-8?q?Andr=C3=A9_Almeida?= Cc: Davidlohr Bueso , libc-alpha@sourceware.org, linux-api@vger.kernel.org, mtk.manpages@gmail.com, =?utf-8?q?Andr=C3=A9_Alm?= =?utf-8?q?eida?= , kernel@collabora.com, krisman@collabora.com Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" From: Peter Zijlstra 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) Reviewed-by: André Almeida Signed-off-by: André Almeida --- 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 }