On Mon, Jan 06, 2014 at 11:51:25AM +0100, Yann Droneaud wrote: > In a previous patch [1][2], flag PERF_FLAG_FD_CLOEXEC was > added to perf_event_open(2) syscall to allows userspace > to enable close-on-exec behavor atomically when creating > the file descriptor. > > This patch makes perf tools use the new flag. > > Beware that perf tools compiled with the new flag won't work > on older kernel which do not support flag PERF_FLAG_FD_CLOEXEC.
I think we should enhance the api probe routines (perf_do_probe_api) to detect that, than just bypass us from running on older kernels jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
