From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin Cross Subject: [PATCH 08/10] nanosleep: use freezable blocking call Date: Mon, 29 Apr 2013 14:45:44 -0700 Message-ID: <1367271946-7239-9-git-send-email-ccross@android.com> References: <1367271946-7239-1-git-send-email-ccross@android.com> Return-path: In-Reply-To: <1367271946-7239-1-git-send-email-ccross@android.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , arve@android.com, Colin Cross , Thomas Gleixner List-Id: linux-pm@vger.kernel.org Avoid waking up every thread sleeping in a nanosleep call during suspend and resume by calling a freezable blocking call. Signed-off-by: Colin Cross --- kernel/hrtimer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 14be27f..e036276 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -47,6 +47,7 @@ #include #include #include +#include #include @@ -1525,7 +1526,7 @@ static int __sched do_nanosleep(struct hrtimer_sleeper *t, enum hrtimer_mode mod t->task = NULL; if (likely(t->task)) - schedule(); + freezable_schedule(); hrtimer_cancel(&t->timer); mode = HRTIMER_MODE_ABS; -- 1.8.2.1