[PATCH v19 11/40] dept: apply sdt_might_sleep_{start,end}() to swait
Byungchul Park <[email protected]>
| Newsgroups | gmane.linux.ide,gmane.linux.kernel,gmane.comp.file-systems.ext4,gmane.linux.kernel.mm,gmane.linux.block,gmane.linux.file-systems,gmane.comp.video.dri.devel,gmane.linux.network,gmane.linux.documentation,gmane.linux.ports.arm.kernel,gmane.linux.drivers.video-input-infrastructure,gmane.linux.drivers.i2c,gmane.linux.kernel.cross-arch,gmane.linux.kernel.modules,gmane.linux.nfs,gmane.linux.kernel.rust |
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| Message-ID | <[email protected]> |
Make dept able to track dependencies by swaits. Signed-off-by: Byungchul Park <[email protected]> --- include/linux/swait.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/swait.h b/include/linux/swait.h index d324419482a0..277ac74f61c3 100644 --- a/include/linux/swait.h +++ b/include/linux/swait.h @@ -6,6 +6,7 @@ #include <linux/stddef.h> #include <linux/spinlock.h> #include <linux/wait.h> +#include <linux/dept_sdt.h> #include <asm/current.h> /* @@ -161,6 +162,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); struct swait_queue __wait; \ long __ret = ret; \ \ + sdt_might_sleep_start(NULL); \ INIT_LIST_HEAD(&__wait.task_list); \ for (;;) { \ long __int = prepare_to_swait_event(&wq, &__wait, state);\ @@ -176,6 +178,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); cmd; \ } \ finish_swait(&wq, &__wait); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) -- 2.17.1