From: "tip-bot2 for Frederic Weisbecker" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Frederic Weisbecker <frederic@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org
Subject: [tip: irq/core] sched/cputime: Remove symbol exports from IRQ time accounting
Date: Wed, 02 Dec 2020 19:23:12 -0000 [thread overview]
Message-ID: <160693699209.3364.4469833037418267275.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20201202115732.27827-2-frederic@kernel.org>
The following commit has been merged into the irq/core branch of tip:
Commit-ID: 7197688b2006357da75a014e0a76be89ca9c2d46
Gitweb: https://git.kernel.org/tip/7197688b2006357da75a014e0a76be89ca9c2d46
Author: Frederic Weisbecker <frederic@kernel.org>
AuthorDate: Wed, 02 Dec 2020 12:57:28 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 02 Dec 2020 20:20:04 +01:00
sched/cputime: Remove symbol exports from IRQ time accounting
account_irq_enter_time() and account_irq_exit_time() are not called
from modules. EXPORT_SYMBOL_GPL() can be safely removed from the IRQ
cputime accounting functions called from there.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201202115732.27827-2-frederic@kernel.org
---
arch/s390/kernel/vtime.c | 10 +++++-----
kernel/sched/cputime.c | 2 --
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 8df10d3..f9f2a11 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -226,7 +226,7 @@ void vtime_flush(struct task_struct *tsk)
* Update process times based on virtual cpu times stored by entry.S
* to the lowcore fields user_timer, system_timer & steal_clock.
*/
-void vtime_account_irq_enter(struct task_struct *tsk)
+void vtime_account_kernel(struct task_struct *tsk)
{
u64 timer;
@@ -245,12 +245,12 @@ void vtime_account_irq_enter(struct task_struct *tsk)
virt_timer_forward(timer);
}
-EXPORT_SYMBOL_GPL(vtime_account_irq_enter);
-
-void vtime_account_kernel(struct task_struct *tsk)
-__attribute__((alias("vtime_account_irq_enter")));
EXPORT_SYMBOL_GPL(vtime_account_kernel);
+void vtime_account_irq_enter(struct task_struct *tsk)
+__attribute__((alias("vtime_account_kernel")));
+
+
/*
* Sorted add to a list. List is linear searched until first bigger
* element is found.
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 5a55d23..61ce9f9 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -71,7 +71,6 @@ void irqtime_account_irq(struct task_struct *curr)
else if (in_serving_softirq() && curr != this_cpu_ksoftirqd())
irqtime_account_delta(irqtime, delta, CPUTIME_SOFTIRQ);
}
-EXPORT_SYMBOL_GPL(irqtime_account_irq);
static u64 irqtime_tick_accounted(u64 maxtime)
{
@@ -434,7 +433,6 @@ void vtime_account_irq_enter(struct task_struct *tsk)
else
vtime_account_kernel(tsk);
}
-EXPORT_SYMBOL_GPL(vtime_account_irq_enter);
#endif /* __ARCH_HAS_VTIME_ACCOUNT */
void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
next prev parent reply other threads:[~2020-12-02 19:24 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 11:57 [PATCH 0/5] irq: Reorder time handling against HARDIRQ_OFFSET on IRQ entry v3 Frederic Weisbecker
2020-12-02 11:57 ` [PATCH 1/5] sched/cputime: Remove symbol exports from IRQ time accounting Frederic Weisbecker
2020-12-02 19:23 ` tip-bot2 for Frederic Weisbecker [this message]
2020-12-02 19:28 ` Christian Borntraeger
2020-12-02 11:57 ` [PATCH 2/5] s390/vtime: Use the generic IRQ entry accounting Frederic Weisbecker
2020-12-02 19:23 ` [tip: irq/core] " tip-bot2 for Frederic Weisbecker
2020-12-02 19:34 ` [PATCH 2/5] " Christian Borntraeger
2020-12-02 11:57 ` [PATCH 3/5] sched/vtime: Consolidate IRQ time accounting Frederic Weisbecker
2020-12-02 19:23 ` [tip: irq/core] " tip-bot2 for Frederic Weisbecker
2020-12-02 11:57 ` [PATCH 4/5] irqtime: Move irqtime entry accounting after irq offset incrementation Frederic Weisbecker
2020-12-02 12:36 ` Peter Zijlstra
2020-12-02 19:23 ` [tip: irq/core] " tip-bot2 for Frederic Weisbecker
2020-12-28 2:15 ` [PATCH 4/5] " Qais Yousef
2020-12-29 13:41 ` Frederic Weisbecker
2020-12-29 14:12 ` Qais Yousef
2020-12-29 14:30 ` Frederic Weisbecker
2020-12-29 15:58 ` Qais Yousef
2020-12-02 11:57 ` [PATCH 5/5] irq: Call tick_irq_enter() inside HARDIRQ_OFFSET Frederic Weisbecker
2020-12-02 19:23 ` [tip: irq/core] " tip-bot2 for Frederic Weisbecker
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