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Message-ID: <169333752669.27769.1783695190968974030.tip-bot2@tip-bot2>
Date: Tue, 29 Aug 2023 19:32:06 -0000
From: "tip-bot2 for Costa Shulyupin" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Costa Shulyupin <costa.shul@...hat.com>,
Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: sched/urgent] sched/core: Add kernel-doc for set_cpus_allowed_ptr()
The following commit has been merged into the sched/urgent branch of tip:
Commit-ID: ae89408341f59e39d3b7d9e0d58905722136a176
Gitweb: https://git.kernel.org/tip/ae89408341f59e39d3b7d9e0d58905722136a176
Author: Costa Shulyupin <costa.shul@...hat.com>
AuthorDate: Tue, 29 Aug 2023 11:25:51 +03:00
Committer: Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 29 Aug 2023 21:02:58 +02:00
sched/core: Add kernel-doc for set_cpus_allowed_ptr()
This is an exported symbol, so it should have kernel-doc.
Add a note to very similar function do_set_cpus_allowed()
to avoid confusion and misuse.
Signed-off-by: Costa Shulyupin <costa.shul@...hat.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20230829082551.2661290-1-costa.shul@redhat.com
---
include/linux/sched.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 177b3f3..ae6fd76 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1858,7 +1858,17 @@ extern int task_can_attach(struct task_struct *p);
extern int dl_bw_alloc(int cpu, u64 dl_bw);
extern void dl_bw_free(int cpu, u64 dl_bw);
#ifdef CONFIG_SMP
+
+/* do_set_cpus_allowed() - consider using set_cpus_allowed_ptr() instead */
extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask);
+
+/**
+ * set_cpus_allowed_ptr - set CPU affinity mask of a task
+ * @p: the task
+ * @new_mask: CPU affinity mask
+ *
+ * Return: zero if successful, or a negative error code
+ */
extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask);
extern int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node);
extern void release_user_cpus_ptr(struct task_struct *p);
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