diff options
Diffstat (limited to 'man2/iopl.2')
| -rw-r--r-- | man2/iopl.2 | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/man2/iopl.2 b/man2/iopl.2 index abf1bef675..2ed1d038c0 100644 --- a/man2/iopl.2 +++ b/man2/iopl.2 @@ -59,11 +59,7 @@ the .B CAP_SYS_RAWIO capability is required to raise the I/O privilege level above its current value. -.SH STANDARDS -.BR iopl () -is Linux-specific and should not be used in programs that are -intended to be portable. -.SH NOTES +.SH VERSIONS .\" Libc5 treats it as a system call and has a prototype in .\" .IR <unistd.h> . .\" glibc1 does not have a prototype. @@ -72,7 +68,9 @@ glibc2 has a prototype both in and in .IR <sys/perm.h> . Avoid the latter, it is available on i386 only. -.PP +.SH STANDARDS +Linux. +.SH HISTORY Prior to Linux 5.5 .BR iopl () allowed the thread to disable interrupts while running |