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author | Ingo Molnar <mingo@elte.hu> | 2009-06-17 10:52:15 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-17 10:56:49 (GMT) |
commit | eadb8a091b27a840de7450f84ecff5ef13476424 (patch) | |
tree | 58c3782d40def63baa8167f3d31e3048cb4c7660 /arch/powerpc/kernel/ptrace.c | |
parent | 73874005cd8800440be4299bd095387fff4b90ac (diff) | |
parent | 65795efbd380a832ae508b04dba8f8e53f0b84d9 (diff) | |
download | linux-fsl-qoriq-eadb8a091b27a840de7450f84ecff5ef13476424.tar.xz |
Merge branch 'linus' into tracing/hw-breakpoints
Conflicts:
arch/x86/Kconfig
arch/x86/kernel/traps.c
arch/x86/power/cpu.c
arch/x86/power/cpu_32.c
kernel/Makefile
Semantic conflict:
arch/x86/kernel/hw_breakpoint.c
Merge reason: Resolve the conflicts, move from put_cpu_no_sched() to
put_cpu() in arch/x86/kernel/hw_breakpoint.c.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
-rw-r--r-- | arch/powerpc/kernel/ptrace.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 3635be6..9fa2c7d 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -704,15 +704,34 @@ void user_enable_single_step(struct task_struct *task) if (regs != NULL) { #if defined(CONFIG_40x) || defined(CONFIG_BOOKE) + task->thread.dbcr0 &= ~DBCR0_BT; task->thread.dbcr0 |= DBCR0_IDM | DBCR0_IC; regs->msr |= MSR_DE; #else + regs->msr &= ~MSR_BE; regs->msr |= MSR_SE; #endif } set_tsk_thread_flag(task, TIF_SINGLESTEP); } +void user_enable_block_step(struct task_struct *task) +{ + struct pt_regs *regs = task->thread.regs; + + if (regs != NULL) { +#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) + task->thread.dbcr0 &= ~DBCR0_IC; + task->thread.dbcr0 = DBCR0_IDM | DBCR0_BT; + regs->msr |= MSR_DE; +#else + regs->msr &= ~MSR_SE; + regs->msr |= MSR_BE; +#endif + } + set_tsk_thread_flag(task, TIF_SINGLESTEP); +} + void user_disable_single_step(struct task_struct *task) { struct pt_regs *regs = task->thread.regs; @@ -726,10 +745,10 @@ void user_disable_single_step(struct task_struct *task) if (regs != NULL) { #if defined(CONFIG_40x) || defined(CONFIG_BOOKE) - task->thread.dbcr0 &= ~(DBCR0_IC | DBCR0_IDM); + task->thread.dbcr0 &= ~(DBCR0_IC | DBCR0_BT | DBCR0_IDM); regs->msr &= ~MSR_DE; #else - regs->msr &= ~MSR_SE; + regs->msr &= ~(MSR_SE | MSR_BE); #endif } clear_tsk_thread_flag(task, TIF_SINGLESTEP); |