openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[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>
This commit is contained in:
Ingo Molnar 2006-07-03 00:24:57 -07:00 committed by Linus Torvalds
parent 8c64580d52
commit 2148270cd2
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86_64/kernel/head64.c
View File

@ -84,6 +84,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
asm volatile("lidt %0" :: "m" (idt_descr));
clear_bss();
/*
* This must be called really, really early:
*/
lockdep_init();
/*
* switch to init_level4_pgt from boot_level4_pgt
*/