Lines Matching refs:buftail
1303 struct frame_tail buftail; in user_backtrace() local
1306 (unsigned long *)(fp - (unsigned long)sizeof(buftail)); in user_backtrace()
1309 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace()
1312 (&buftail, user_frame_tail, sizeof(buftail))) in user_backtrace()
1318 lp = buftail.stack_lp; /* ((unsigned long *)fp)[-1] */ in user_backtrace()
1319 fp = buftail.stack_fp; /* ((unsigned long *)fp)[FP_OFFSET] */ in user_backtrace()
1328 struct frame_tail_opt_size buftail; in user_backtrace_opt_size() local
1332 (unsigned long *)(fp - (unsigned long)sizeof(buftail)); in user_backtrace_opt_size()
1335 if (!access_ok(user_frame_tail, sizeof(buftail))) in user_backtrace_opt_size()
1338 (&buftail, user_frame_tail, sizeof(buftail))) in user_backtrace_opt_size()
1344 lp = buftail.stack_lp; /* ((unsigned long *)fp)[-1] */ in user_backtrace_opt_size()
1345 fp = buftail.stack_fp; /* ((unsigned long *)fp)[FP_OFFSET] */ in user_backtrace_opt_size()
1403 struct frame_tail buftail; in perf_callchain_user() local
1407 (unsigned long)sizeof(buftail)); in perf_callchain_user()
1409 if (!access_ok(user_frame_tail, sizeof(buftail))) in perf_callchain_user()
1413 (&buftail, user_frame_tail, sizeof(buftail))) in perf_callchain_user()
1416 if (buftail.stack_fp == gp) { in perf_callchain_user()
1450 fp = buftail.stack_fp; in perf_callchain_user()