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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-11 18:45:21 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-11 18:45:21 +0100 |
| commit | 254c44ea822066e24ab5efbdff1e43b8fe45ae76 (patch) | |
| tree | 547f6fd4ce1bd6dba6a5cc5184df28501d550795 /kernel/ptrace.c | |
| parent | 7b76415375ba91f5a06f8d5179278c03d6151d16 (diff) | |
| parent | 6ac77e469e991e9dd91b28e503fa24b5609eedba (diff) | |
Merge branch 'gic-fasteoi' of git://linux-arm.org/linux-2.6-wd into devel-stable
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 0fc1eed28d2..dc7ab65f3b3 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 */ |