Messages in this thread Patch in this message | | | Date | Tue, 13 Jan 2009 17:43:04 +0100 | From | Cornelia Huck <> | Subject | [PATCH 1/2] async: Handle kthread_run() return codes. |
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If we fail to create the manager thread, fall back to non-fastboot. If we fail to create an async thread, try again when the manager thread runs again.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
--- kernel/async.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
--- linux-2.6.orig/kernel/async.c +++ linux-2.6/kernel/async.c @@ -315,11 +315,14 @@ static int async_manager_thread(void *un ec = atomic_read(&entry_count); while (tc < ec && tc < MAX_THREADS) { - kthread_run(async_thread, NULL, "async/%i", tc); + if (IS_ERR(kthread_run(async_thread, NULL, "async/%i", + tc))) + /* Try again later. */ + goto schedule; atomic_inc(&thread_count); tc++; } - +schedule: schedule(); } remove_wait_queue(&async_new, &wq); @@ -330,7 +333,9 @@ static int async_manager_thread(void *un static int __init async_init(void) { if (async_enabled) - kthread_run(async_manager_thread, NULL, "async/mgr"); + if (IS_ERR(kthread_run(async_manager_thread, NULL, + "async/mgr"))) + async_enabled = 0; return 0; }
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