diff options
Diffstat (limited to 'arch/ia64/kernel/ptrace.c')
| -rw-r--r-- | arch/ia64/kernel/ptrace.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 33ca9fa0fbf5..75c070aed81e 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -30,9 +30,6 @@ #include <asm/rse.h> #include <linux/uaccess.h> #include <asm/unwind.h> -#ifdef CONFIG_PERFMON -#include <asm/perfmon.h> -#endif #include "entry.h" @@ -1951,27 +1948,6 @@ access_uarea(struct task_struct *child, unsigned long addr, "address 0x%lx\n", addr); return -1; } -#ifdef CONFIG_PERFMON - /* - * Check if debug registers are used by perfmon. This - * test must be done once we know that we can do the - * operation, i.e. the arguments are all valid, but - * before we start modifying the state. - * - * Perfmon needs to keep a count of how many processes - * are trying to modify the debug registers for system - * wide monitoring sessions. - * - * We also include read access here, because they may - * cause the PMU-installed debug register state - * (dbr[], ibr[]) to be reset. The two arrays are also - * used by perfmon, but we do not use - * IA64_THREAD_DBG_VALID. The registers are restored - * by the PMU context switch code. - */ - if (pfm_use_debug_registers(child)) - return -1; -#endif if (!(child->thread.flags & IA64_THREAD_DBG_VALID)) { child->thread.flags |= IA64_THREAD_DBG_VALID; |