sched/rt: Add comments describing the RT IPI pull method
authorSteven Rostedt (VMware) <rostedt@goodmis.org>
Tue, 28 Feb 2017 20:50:30 +0000 (15:50 -0500)
committerIngo Molnar <mingo@kernel.org>
Thu, 16 Mar 2017 08:41:35 +0000 (09:41 +0100)
commit3e777f9909483b603946685d88acfae89f31b07b
tree887eb03329272a85e0ae1b2f75ebcb5ec6098b48
parent2317d5f1c34913bac5971d93d69fb6c31bb74670
sched/rt: Add comments describing the RT IPI pull method

While looking into optimizations for the RT scheduler IPI logic, I realized
that the comments are lacking to describe it efficiently. It deserves a
lengthy description describing its design.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Clark Williams <williams@redhat.com>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170228155030.30c69068@gandalf.local.home
[ Small typographical edits. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/sched/rt.c