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x86: fix typo in step.c 

TIF_DEBUGCTLMSR has no meaning in the actual MSR...

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Jan Beulich 2008-03-05 08:36:48 +00:00 committed by Ingo Molnar
parent 609b5297bc
commit d032b31a3a
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/step.c
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@ -166,7 +166,7 @@ static void enable_step(struct task_struct *child, bool block)
child->thread.debugctlmsr | DEBUGCTLMSR_BTF);
} else {
write_debugctlmsr(child,
child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR);
child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF);
if (!child->thread.debugctlmsr)
clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR);
@ -189,7 +189,7 @@ void user_disable_single_step(struct task_struct *child)
* Make sure block stepping (BTF) is disabled.
*/
write_debugctlmsr(child,
child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR);
child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF);
if (!child->thread.debugctlmsr)
clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR);