[PATCH] [POWERPC] Initialize lockdep earlier
DORMANTno replies
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2008-05-07 00:25:34
This moves lockdep_init() to before udbg_early_init() as the later can call things that acquire spinlocks etc... This also makes printk safer to use earlier. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- arch/powerpc/kernel/setup_64.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- linux-work.orig/arch/powerpc/kernel/setup_64.c 2008-05-07 10:23:35.000000000 +1000
+++ linux-work/arch/powerpc/kernel/setup_64.c 2008-05-07 10:23:45.000000000 +1000@@ -181,14 +181,14 @@ void __init early_setup(unsigned long dt /* Assume we're on cpu 0 for now. Don't write to the paca yet! */ setup_paca(0); - /* Enable early debugging if any specified (see udbg.h) */ - udbg_early_init(); - /* Initialize lockdep early or else spinlocks will blow */ lockdep_init(); /* -------- printk is now safe to use ------- */ + /* Enable early debugging if any specified (see udbg.h) */ + udbg_early_init(); + DBG(" -> early_setup(), dt_ptr: 0x%lx\n", dt_ptr); /*