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authorPeter Zijlstra <peterz@infradead.org>2020-10-21 15:45:33 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-10-29 11:00:32 +0100
commit43c31ac0e665d942fcaba83a725a8b1aeeb7adf0 (patch)
tree44e9276309d8c428388a148ec5ce6c7a212dfecd /kernel/sched/rt.c
parent345a957fcc95630bf5535d7668a59ed983eb49a7 (diff)
sched: Remove relyance on STRUCT_ALIGNMENT
Florian reported that all of kernel/sched/ is rebuild when CONFIG_BLK_DEV_INITRD is changed, which, while not a bug is unexpected. This is due to us including vmlinux.lds.h. Jakub explained that the problem is that we put the alignment requirement on the type instead of on a variable. Type alignment is a minimum, the compiler is free to pick any larger alignment for a specific instance of the type (eg. the variable). So force the type alignment on all individual variable definitions and remove the undesired dependency on vmlinux.lds.h. Fixes: 85c2ce9104eb ("sched, vmlinux.lds: Increase STRUCT_ALIGNMENT to 64 bytes for GCC-4.9") Reported-by: Florian Fainelli <f.fainelli@gmail.com> Suggested-by: Jakub Jelinek <jakub@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 8a3b1ba09253..9b27352e0c1b 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2431,8 +2431,8 @@ static unsigned int get_rr_interval_rt(struct rq *rq, struct task_struct *task)
return 0;
}
-const struct sched_class rt_sched_class
- __section("__rt_sched_class") = {
+DEFINE_SCHED_CLASS(rt) = {
+
.enqueue_task = enqueue_task_rt,
.dequeue_task = dequeue_task_rt,
.yield_task = yield_task_rt,