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Date: Mon, 7 Oct 2013 18:32:53 +0000 From: Christoph Lameter <cl@...ux.com> To: Tejun Heo <tj@...nel.org> Cc: Thomas Gleixner <tglx@...utronix.de> Subject: [raw v1 3/4] Use raw_cpu_write for initialization of per cpu refcount. The initialization of a structure is not subject to synchronization. So simply disable the check. Cc: Rusty Russell <rusty@...tcorp.com.au> Signed-off-by: Christoph Lameter <cl@...ux.com> Index: linux/kernel/module.c =================================================================== --- linux.orig/kernel/module.c 2013-09-05 13:43:30.557687773 -0500 +++ linux/kernel/module.c 2013-10-07 12:33:43.732059759 -0500 @@ -643,7 +643,7 @@ static int module_unload_init(struct mod INIT_LIST_HEAD(&mod->target_list); /* Hold reference count during initialization. */ - __this_cpu_write(mod->refptr->incs, 1); + raw_cpu_write(mod->refptr->incs, 1); /* Backwards compatibility macros put refcount during init. */ mod->waiter = current; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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