diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:24:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:04 -0700 |
| commit | 2148270cd2ebe0d05e4289b7c77b1435c45481bf (patch) | |
| tree | d2ad8c7579f9aecfc57dbf2cdc523e0bcaf042b1 | |
| parent | 8c64580d522542e50f2ba689316128b7fbae497b (diff) | |
[PATCH] lockdep: x86_64 early init
x86_64 uses spinlocks very early - earlier than start_kernel(). So call
lockdep_init() from the arch setup code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/head64.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c index e6a71c9556d..36647ce6aec 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86_64/kernel/head64.c @@ -85,6 +85,11 @@ void __init x86_64_start_kernel(char * real_mode_data) clear_bss(); /* + * This must be called really, really early: + */ + lockdep_init(); + + /* * switch to init_level4_pgt from boot_level4_pgt */ memcpy(init_level4_pgt, boot_level4_pgt, PTRS_PER_PGD*sizeof(pgd_t)); |