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authorPeter Zijlstra <peterz@infradead.org>2023-06-09 20:45:16 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-03 15:28:18 +0200
commitc4c2f7e672e780be0bb867bd7e18ca53d16bc8da (patch)
treee7fae06ff49ce79c477c5fb5c52e65efd0f5e36b /include/linux/cpu.h
parent0641908b906a133f1494c312a71f9fecbe2b6c78 (diff)
sched: Simplify tg_set_cfs_bandwidth()
[ Upstream commit 6fb45460615358157a6d3c990e74f9c1395247e2 ] Use guards to reduce gotos and simplify control flow. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Stable-dep-of: 1aa09b9379a7 ("powercap: intel_rapl: Fix locking in TPMI RAPL") Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux/cpu.h')
-rw-r--r--include/linux/cpu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 59dd421a8e35..e990c180282e 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -157,6 +157,8 @@ static inline int remove_cpu(unsigned int cpu) { return -EPERM; }
static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { }
#endif /* !CONFIG_HOTPLUG_CPU */
+DEFINE_LOCK_GUARD_0(cpus_read_lock, cpus_read_lock(), cpus_read_unlock())
+
#ifdef CONFIG_PM_SLEEP_SMP
extern int freeze_secondary_cpus(int primary);
extern void thaw_secondary_cpus(void);