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McKenney" , Marcelo Tosatti , Paul Gortmaker , Uladzislau Rezki , Joel Fernandes Subject: [PATCH 07/21] context_tracking: Rename context_tracking_enter/exit() to ct_user_enter/exit() Date: Tue, 3 May 2022 12:00:37 +0200 Message-Id: <20220503100051.2799723-8-frederic@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220503100051.2799723-1-frederic@kernel.org> References: <20220503100051.2799723-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org context_tracking_enter() and context_tracking_exit() have confusing names that don't explain the fact they are referring to user/guest state. Use more self-explanatory names and shrink to the new context tracking prefix instead. Signed-off-by: Frederic Weisbecker Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Neeraj Upadhyay Cc: Uladzislau Rezki Cc: Joel Fernandes Cc: Boqun Feng Cc: Nicolas Saenz Julienne Cc: Marcelo Tosatti Cc: Xiongfeng Wang Cc: Yu Liao Cc: Phil Auld Cc: Paul Gortmaker Cc: Alex Belits --- include/linux/context_tracking.h | 13 +++++++------ kernel/context_tracking.c | 12 ++++++------ 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 69532cd18f72..7a5f04ae1758 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -17,21 +17,22 @@ extern void context_tracking_cpu_set(int cpu); extern void __ct_user_enter(enum ctx_state state); extern void __ct_user_exit(enum ctx_state state); -extern void context_tracking_enter(enum ctx_state state); -extern void context_tracking_exit(enum ctx_state state); +extern void ct_user_enter(enum ctx_state state); +extern void ct_user_exit(enum ctx_state state); + extern void user_enter_callable(void); extern void user_exit_callable(void); static inline void user_enter(void) { if (context_tracking_enabled()) - context_tracking_enter(CONTEXT_USER); + ct_user_enter(CONTEXT_USER); } static inline void user_exit(void) { if (context_tracking_enabled()) - context_tracking_exit(CONTEXT_USER); + ct_user_exit(CONTEXT_USER); } /* Called with interrupts disabled. */ @@ -57,7 +58,7 @@ static inline enum ctx_state exception_enter(void) prev_ctx = this_cpu_read(context_tracking.state); if (prev_ctx != CONTEXT_KERNEL) - context_tracking_exit(prev_ctx); + ct_user_exit(prev_ctx); return prev_ctx; } @@ -67,7 +68,7 @@ static inline void exception_exit(enum ctx_state prev_ctx) if (!IS_ENABLED(CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK) && context_tracking_enabled()) { if (prev_ctx != CONTEXT_KERNEL) - context_tracking_enter(prev_ctx); + ct_user_enter(prev_ctx); } } diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index e4e7aad6c2bc..bfbc5d846a62 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -108,7 +108,7 @@ EXPORT_SYMBOL_GPL(__ct_user_enter); * unsafe because it involves illegal RCU uses through tracing and lockdep. This * must be fixed first. */ -void context_tracking_enter(enum ctx_state state) +void ct_user_enter(enum ctx_state state) { unsigned long flags; @@ -127,8 +127,8 @@ void context_tracking_enter(enum ctx_state state) __ct_user_enter(state); local_irq_restore(flags); } -NOKPROBE_SYMBOL(context_tracking_enter); -EXPORT_SYMBOL_GPL(context_tracking_enter); +NOKPROBE_SYMBOL(ct_user_enter); +EXPORT_SYMBOL_GPL(ct_user_enter); /** * user_enter_callable() - Unfortunate ASM callable version of user_enter() for @@ -186,7 +186,7 @@ EXPORT_SYMBOL_GPL(__ct_user_exit); * unsafe because it involves illegal RCU uses through tracing and lockdep. This * must be fixed first. */ -void context_tracking_exit(enum ctx_state state) +void ct_user_exit(enum ctx_state state) { unsigned long flags; @@ -197,8 +197,8 @@ void context_tracking_exit(enum ctx_state state) __ct_user_exit(state); local_irq_restore(flags); } -NOKPROBE_SYMBOL(context_tracking_exit); -EXPORT_SYMBOL_GPL(context_tracking_exit); +NOKPROBE_SYMBOL(ct_user_exit); +EXPORT_SYMBOL_GPL(ct_user_exit); /** * user_exit_callable() - Unfortunate ASM callable version of user_exit() for -- 2.25.1