diff options
| author | James Morris <jmorris@namei.org> | 2011-05-19 10:51:57 +0200 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-05-19 10:51:57 +0200 |
| commit | 12a5a2621b1ee14d32beca35304d7c6076a58815 (patch) | |
| tree | 213e13f99de690b3c4a510f504393b63ada626bd /kernel/ptrace.c | |
| parent | TOMOYO: Fix wrong domainname validation. (diff) | |
| parent | Linux 2.6.39 (diff) | |
| download | linux-12a5a2621b1ee14d32beca35304d7c6076a58815.tar.xz linux-12a5a2621b1ee14d32beca35304d7c6076a58815.zip | |
Merge branch 'master' into next
Conflicts:
include/linux/capability.h
Manually resolve merge conflict w/ thanks to Stephen Rothwell.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 0fc1eed28d27..dc7ab65f3b36 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -22,6 +22,7 @@ #include <linux/syscalls.h> #include <linux/uaccess.h> #include <linux/regset.h> +#include <linux/hw_breakpoint.h> /* @@ -879,3 +880,19 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, return ret; } #endif /* CONFIG_COMPAT */ + +#ifdef CONFIG_HAVE_HW_BREAKPOINT +int ptrace_get_breakpoints(struct task_struct *tsk) +{ + if (atomic_inc_not_zero(&tsk->ptrace_bp_refcnt)) + return 0; + + return -1; +} + +void ptrace_put_breakpoints(struct task_struct *tsk) +{ + if (atomic_dec_and_test(&tsk->ptrace_bp_refcnt)) + flush_ptrace_hw_breakpoint(tsk); +} +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ |