usf 1804 arch/sparc/kernel/perf_event.c struct sparc_stackf __user *usf; usf 1808 arch/sparc/kernel/perf_event.c usf = (struct sparc_stackf __user *)ufp; usf 1809 arch/sparc/kernel/perf_event.c if (!valid_user_frame(usf, sizeof(sf))) usf 1812 arch/sparc/kernel/perf_event.c if (__copy_from_user_inatomic(&sf, usf, sizeof(sf))) usf 1831 arch/sparc/kernel/perf_event.c struct sparc_stackf __user *usf; usf 1835 arch/sparc/kernel/perf_event.c usf = (struct sparc_stackf __user *)ufp; usf 1836 arch/sparc/kernel/perf_event.c if (__copy_from_user_inatomic(&sf, usf, sizeof(sf))) usf 1841 arch/sparc/kernel/perf_event.c struct sparc_stackf32 __user *usf; usf 1843 arch/sparc/kernel/perf_event.c usf = (struct sparc_stackf32 __user *)ufp; usf 1844 arch/sparc/kernel/perf_event.c if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))