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taint: add explicit flag to show whether lock dep is still OK.

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Fix up all callers as they were before, with make one change: an
unsigned module taints the kernel, but doesn't turn off lockdep.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2013-01-21 17:17:39 +10:30
parent 64748a2c90
commit 373d4d0997
37 changed files with 69 additions and 67 deletions
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2
arch/sparc/kernel/setup_64.c
View File

@ -115,7 +115,7 @@ static void __init process_switch(char c)
break;
}
cheetah_pcache_forced_on = 1;
add_taint(TAINT_MACHINE_CHECK);
add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
cheetah_enable_pcache();
break;

2
arch/sparc/kernel/traps_32.c
View File

@ -58,7 +58,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
printk("%s(%d): %s [#%d]\n", current->comm, task_pid_nr(current), str, ++die_counter);
show_regs(regs);
add_taint(TAINT_DIE);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
__SAVE; __SAVE; __SAVE; __SAVE;
__SAVE; __SAVE; __SAVE; __SAVE;

2
arch/sparc/kernel/traps_64.c
View File

@ -2383,7 +2383,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
notify_die(DIE_OOPS, str, regs, 0, 255, SIGSEGV);
__asm__ __volatile__("flushw");
show_regs(regs);
add_taint(TAINT_DIE);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
if (regs->tstate & TSTATE_PRIV) {
struct thread_info *tp = current_thread_info();
struct reg_window *rw = (struct reg_window *)