Messages in this thread Patch in this message | | | Subject | [PATCH 4/8] UML - Fix timer initialization | Date | Mon, 20 Jun 2005 14:51:17 -0400 | From | Jeff Dike <> |
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In skas mode, the call to uml_idle_timer permanently shut off the virtual timer, resulting in no timer ticks to anything but the idle thread. This is likely the cause of the soft lockups that are seen sporadically in recent UMLs.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.12/arch/um/kernel/process_kern.c =================================================================== --- linux-2.6.12.orig/arch/um/kernel/process_kern.c 2005-06-20 12:02:19.000000000 -0400 +++ linux-2.6.12/arch/um/kernel/process_kern.c 2005-06-20 12:06:08.000000000 -0400 @@ -169,7 +169,7 @@ int current_pid(void) void default_idle(void) { - uml_idle_timer(); + CHOOSE_MODE(uml_idle_timer(), (void) 0); atomic_inc(&init_mm.mm_count); current->mm = &init_mm; Index: linux-2.6.12/arch/um/kernel/skas/process_kern.c =================================================================== --- linux-2.6.12.orig/arch/um/kernel/skas/process_kern.c 2005-06-20 12:02:32.000000000 -0400 +++ linux-2.6.12/arch/um/kernel/skas/process_kern.c 2005-06-20 12:06:08.000000000 -0400 @@ -180,7 +180,6 @@ int start_uml_skas(void) start_userspace(0); init_new_thread_signals(1); - uml_idle_timer(); init_task.thread.request.u.thread.proc = start_kernel_proc; init_task.thread.request.u.thread.arg = NULL; - 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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