Commit d032b31a authored by Jan Beulich's avatar Jan Beulich Committed by Ingo Molnar
Browse files

x86: fix typo in step.c 



TIF_DEBUGCTLMSR has no meaning in the actual MSR...

Signed-off-by: default avatarJan Beulich <jbeulich@novell.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 609b5297

arch/x86/kernel/step.c

+2 −2
Original line number Diff line number Diff line
@@ -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);