Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [ 13/23] [Suspend2] Add support for thawing just kernel threads or all threads. | Date | Thu, 26 Jan 2006 13:45:53 +1000 |
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Modify the thaw_processes routine so that it takes and implements a parameter saying whether to thaw all processes, or just kernel space.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/process.c | 25 +++++++++++++++++++------ 1 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/kernel/power/process.c b/kernel/power/process.c index a3aca9a..dffe645 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -182,13 +182,26 @@ static int freeze_process(struct notifie return 0; } -void thaw_processes(void) +void thaw_processes(int do_all_threads) { - freezer_message("Restarting tasks.."); - complete_all(&thaw); - while (atomic_read(&nr_frozen) > 0) - schedule(); - freezer_message("done\n"); + if (do_all_threads) { + clear_freezer_state(FREEZER_ON); + clear_freezer_state(ABORT_FREEZING); + } + + complete_all(&kernelspace_thaw); + while (atomic_read(&nr_kernelspace_frozen) > 0) + yield(); + + init_completion(&kernelspace_thaw); + freezer_make_fses_rw(); + + if (do_all_threads) { + complete_all(&userspace_thaw); + while (atomic_read(&nr_userspace_frozen) > 0) + yield(); + init_completion(&userspace_thaw); + } } static inline void freeze(struct task_struct *p) -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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