generic-ipi/locking: Fix misleading smp_call_function_any() description
generic-ipi/locking: Fix misleading smp_call_function_any() description

Fix locking description: after commit 8969a5ede0f9e17da4b9437
("generic-ipi: remove kmalloc()"), wait = 0 can be guaranteed
because we don't kmalloc() anymore.

Signed-off-by: Xie XiuQi <2028ee332ef6b7042006b7f86166fb57d0680e49@huawei.com>
Cc: Sheng Yang <72968c211adb68bbedf8fc6c85be24c9cd49b112@linux.intel.com>
Cc: Peter Zijlstra <645ca7d3a8d3d4f60557176cd361ea8351edc32b@chello.nl>
Cc: Jens Axboe <165ab144a3ccfd9429d5c6466b275f24fafdb114@oracle.com>
Cc: Rusty Russell <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>
Link: 7e4d5e5686e9898de4ec5ceab3e6eccc95d8e516@huawei.com
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs