summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/sh/kernel/ptrace_32.c2
-rw-r--r--arch/x86/kernel/ptrace.c2
-rw-r--r--include/linux/hw_breakpoint.h6
3 files changed, 8 insertions, 2 deletions
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 7759a9a9321..d4104ce9fe5 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -85,7 +85,7 @@ static int set_single_step(struct task_struct *tsk, unsigned long addr)
bp = thread->ptrace_bps[0];
if (!bp) {
- hw_breakpoint_init(&attr);
+ ptrace_breakpoint_init(&attr);
attr.bp_addr = addr;
attr.bp_len = HW_BREAKPOINT_LEN_2;
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 055be0afd33..70c4872cd8a 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -688,7 +688,7 @@ static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr,
struct perf_event_attr attr;
if (!t->ptrace_bps[nr]) {
- hw_breakpoint_init(&attr);
+ ptrace_breakpoint_init(&attr);
/*
* Put stub len and type to register (reserve) an inactive but
* correct bp
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index c70d27af03f..a0aa5a9cfb0 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -34,6 +34,12 @@ static inline void hw_breakpoint_init(struct perf_event_attr *attr)
attr->sample_period = 1;
}
+static inline void ptrace_breakpoint_init(struct perf_event_attr *attr)
+{
+ hw_breakpoint_init(attr);
+ attr->exclude_kernel = 1;
+}
+
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
{
return bp->attr.bp_addr;