Re: [PATCH] sched: fix an unused function "node_cpu" warning

2019-09-18 Thread Mel Gorman
On Tue, Sep 17, 2019 at 10:34:54AM -0400, Qian Cai wrote: > Clang reports a warning, > > kernel/locking/osq_lock.c:25:19: warning: unused function 'node_cpu' > [-Wunused-function] > > due to osq_lock() calls vcpu_is_preempted(node_cpu(node->prev))), but > vcpu_is_preempted() is compiled away. Fix

[PATCH] sched: fix an unused function "node_cpu" warning

2019-09-17 Thread Qian Cai
Clang reports a warning, kernel/locking/osq_lock.c:25:19: warning: unused function 'node_cpu' [-Wunused-function] due to osq_lock() calls vcpu_is_preempted(node_cpu(node->prev))), but vcpu_is_preempted() is compiled away. Fix it by converting the dummy vcpu_is_preempted() from a macro to a proper