Message ID | 1373053783-19668-1-git-send-email-James.Yang@freescale.com (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Scott Wood |
Headers | show |
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 98c2fc1..c634970 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -894,7 +894,7 @@ void user_disable_single_step(struct task_struct *task) * And, after doing so, if all debug flags are off, turn * off DBCR0(IDM) and MSR(DE) .... Torez */ - task->thread.dbcr0 &= ~DBCR0_IC; + task->thread.dbcr0 &= ~(DBCR0_IC|DBCR0_BT); /* * Test to see if any of the DBCR_ACTIVE_EVENTS bits are set. */
BookE version of user_disable_single_step() clears DBCR0_IC for the instruction completion debug, but did not also clear DBCR0_BT for the branch taken exception. This behavior was lost by the 2/2010 patch. Signed-off-by: James Yang <James.Yang@freescale.com> --- arch/powerpc/kernel/ptrace.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)