On 12/12/2016 04:54 AM, Eugene Syromyatnikov wrote: Thanks, Eugene. Applied. Cheers, Michael > --- > man2/prctl.2 | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/man2/prctl.2 b/man2/prctl.2 > index 5f84bb7..39b3e9a 100644 > --- a/man2/prctl.2 > +++ b/man2/prctl.2 > @@ -988,7 +988,10 @@ flag, in the location pointed to by > .IR "(int\ **)\ arg2" . > This feature is available only if the kernel is built with the > .BR CONFIG_CHECKPOINT_RESTORE > -option enabled. > +option enabled. Note that since the prctl() syscall does not have compat > +implementation for AMD64 x32 and MIPS n32 ABIs, and the kernel writes out > +pointer of kernel's pointer size, this operation expects a user space buffer > +of 8 (not 4) bytes on these ABIs. > .TP > .BR PR_SET_TIMERSLACK " (since Linux 2.6.28)" > .\" See https://lwn.net/Articles/369549/ > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
