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prctl.2: Document removal of Intel MPX prctls 

The Intel MPX API was removed from Linux 5.4.  See Linux
commit f240652b6032 ("x86/mpx: Remove MPX APIs")

Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Dave Martin 2020-05-12 17:36:52 +01:00 committed by Michael Kerrisk
parent 194ccff9cc
commit 2ab5fe267f
1 changed files with 7 additions and 1 deletions
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8
man2/prctl.2
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@ -784,7 +784,7 @@ option enabled.
.RE
.\" prctl PR_MPX_ENABLE_MANAGEMENT
.TP
.BR PR_MPX_ENABLE_MANAGEMENT ", " PR_MPX_DISABLE_MANAGEMENT " (since Linux 3.19) "
.BR PR_MPX_ENABLE_MANAGEMENT ", " PR_MPX_DISABLE_MANAGEMENT " (since Linux 3.19, removed in Linux 5.4; only on x86) "
.\" commit fe3d197f84319d3bce379a9c0dc17b1f48ad358c
.\" See also http://lwn.net/Articles/582712/
.\" See also https://gcc.gnu.org/wiki/Intel%20MPX%20support%20in%20the%20GCC%20compiler
@ -858,6 +858,12 @@ had been called.
.IP
For further information on Intel MPX, see the kernel source file
.IR Documentation/x86/intel_mpx.txt .
.IP
.\" commit f240652b6032b48ad7fa35c5e701cc4c8d697c0b
.\" See also https://lkml.kernel.org/r/20190705175321.DB42F0AD@viggo.jf.intel.com
Due to a lack of toolchain support,
.BR PR_MPX_ENABLE_MANAGEMENT " and " PR_MPX_DISABLE_MANAGEMENT
are not supported by Linux 5.4 or later.
.\" prctl PR_SET_NAME
.TP
.BR PR_SET_NAME " (since Linux 2.6.9)"