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authorPaul E. McKenney <paulmck@kernel.org>2024-10-15 09:10:58 -0700
committerFrederic Weisbecker <frederic@kernel.org>2024-10-28 16:55:24 +0100
commit5bc455ff25762b1ac0463a005ccb3baf9f1fe7b8 (patch)
tree697f0f2d360401208c98046ed24a80ee9754e23e /kernel/kheaders.c
parent79a20a857009f12ab28c716d3ba218cf3ceee6f7 (diff)
srcu: Rename srcu_might_be_idle() to srcu_should_expedite()
SRCU auto-expedites grace periods that follow a sufficiently long idle period, and the srcu_might_be_idle() function is used to make this decision. However, the upcoming light-weight SRCU readers will not do auto-expediting because doing so would cause the grace-period machinery to invoke synchronize_rcu_expedited() twice, with IPIs all around. However, software-engineering considerations force this determination to remain in srcu_might_be_idle(). This commit therefore changes the name of srcu_might_be_idle() to srcu_should_expedite(), thus moving from what it currently does to why it does it, this latter being more future-proof. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Kent Overstreet <kent.overstreet@linux.dev> Cc: <bpf@vger.kernel.org> Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
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