https://bugzilla.kernel.org/show_bug.cgi?id=99911 Michael Kerrisk <mtk.manpages@xxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |CODE_FIX --- Comment #3 from Michael Kerrisk <mtk.manpages@xxxxxxxxx> --- Alex, sorry for the long delay in following up. I have applied the patch below. Closing this bug. Cheers, Michael diff --git a/man2/ioperm.2 b/man2/ioperm.2 index 91d081c..6171e1c 100644 --- a/man2/ioperm.2 +++ b/man2/ioperm.2 @@ -63,11 +63,9 @@ system call had to be used (with a argument of 3). Since Linux 2.6.8, 65,536 I/O ports can be specified. -Permissions are not inherited by the child created by -.BR fork (2); -following a +Permissions are inherited by the child created by .BR fork (2) -the child must turn on those permissions that it needs. +(but see NOTES). Permissions are preserved across .BR execve (2); this is useful for giving port access permissions to unprivileged @@ -107,6 +105,10 @@ The .I /proc/ioports file shows the I/O ports that are currently allocated on the system. +Before Linux 2.4, +permissions were not inherited by a child created by +.BR fork (2). + Glibc has an .BR ioperm () prototype both in -- You are receiving this mail because: You are watching the assignee of the bug. -- 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