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authorRafael J. Wysocki <rjw@sisk.pl>2011-11-23 15:09:02 -0500
committerRafael J. Wysocki <rjw@sisk.pl>2011-11-23 15:09:02 -0500
commit986b11c3ee9e0eace25fe74a502205f7fe8c179b (patch)
tree2271bc519eac458fd92799f5731e2ef604f69341 /kernel/power/hibernate.c
parentbb58dd5d1ffad6c2d21c69698ba766dad4ae54e6 (diff)
parent24b7ead3fb0bae267c2ee50898eb4c13aedd1e9f (diff)
Merge branch 'pm-freezer' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into pm-freezer
* 'pm-freezer' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc: (24 commits) freezer: fix wait_event_freezable/__thaw_task races freezer: kill unused set_freezable_with_signal() dmatest: don't use set_freezable_with_signal() usb_storage: don't use set_freezable_with_signal() freezer: remove unused @sig_only from freeze_task() freezer: use lock_task_sighand() in fake_signal_wake_up() freezer: restructure __refrigerator() freezer: fix set_freezable[_with_signal]() race freezer: remove should_send_signal() and update frozen() freezer: remove now unused TIF_FREEZE freezer: make freezing() test freeze conditions in effect instead of TIF_FREEZE cgroup_freezer: prepare for removal of TIF_FREEZE freezer: clean up freeze_processes() failure path freezer: kill PF_FREEZING freezer: test freezable conditions while holding freezer_lock freezer: make freezing indicate freeze condition in effect freezer: use dedicated lock instead of task_lock() + memory barrier freezer: don't distinguish nosig tasks on thaw freezer: remove racy clear_freeze_flag() and set PF_NOFREEZE on dead tasks freezer: rename thaw_process() to __thaw_task() and simplify the implementation ...
Diffstat (limited to 'kernel/power/hibernate.c')
-rw-r--r--kernel/power/hibernate.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index a6b0503574ee..e7ffa8952083 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -611,17 +611,6 @@ static void power_down(void)
611 while(1); 611 while(1);
612} 612}
613 613
614static int prepare_processes(void)
615{
616 int error = 0;
617
618 if (freeze_processes()) {
619 error = -EBUSY;
620 thaw_processes();
621 }
622 return error;
623}
624
625/** 614/**
626 * hibernate - Carry out system hibernation, including saving the image. 615 * hibernate - Carry out system hibernation, including saving the image.
627 */ 616 */
@@ -654,7 +643,7 @@ int hibernate(void)
654 sys_sync(); 643 sys_sync();
655 printk("done.\n"); 644 printk("done.\n");
656 645
657 error = prepare_processes(); 646 error = freeze_processes();
658 if (error) 647 if (error)
659 goto Finish; 648 goto Finish;
660 649
@@ -815,7 +804,7 @@ static int software_resume(void)
815 goto close_finish; 804 goto close_finish;
816 805
817 pr_debug("PM: Preparing processes for restore.\n"); 806 pr_debug("PM: Preparing processes for restore.\n");
818 error = prepare_processes(); 807 error = freeze_processes();
819 if (error) { 808 if (error) {
820 swsusp_close(FMODE_READ); 809 swsusp_close(FMODE_READ);
821 goto Done; 810 goto Done;