From: Dave Martin <Dave.Martin@arm.com>
To: mtk.manpages@gmail.com
Cc: linux-man@vger.kernel.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 07/14] prctl.2: Document removal of Intel MPX prctls
Date: Tue, 12 May 2020 17:36:52 +0100 [thread overview]
Message-ID: <1589301419-24459-8-git-send-email-Dave.Martin@arm.com> (raw)
In-Reply-To: <1589301419-24459-1-git-send-email-Dave.Martin@arm.com>
The Intel MPX API was removed from Linux 5.4. See Linux
commit f240652b6032 ("x86/mpx: Remove MPX APIs")
Document this change.
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
man2/prctl.2 | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/man2/prctl.2 b/man2/prctl.2
index 7a3fc5c..a84fb1d 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -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
@@ -859,6 +859,12 @@ 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)"
--
2.1.4
next prev parent reply other threads:[~2020-05-12 16:37 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 16:36 [PATCH 00/14] prctl.2 man page updates for Linux 5.6 Dave Martin
2020-05-12 16:36 ` [PATCH 01/14] prctl.2: tfix clarify that prctl can apply to threads Dave Martin
2020-05-13 8:30 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 02/14] prctl.2: Add health warning Dave Martin
2020-05-13 10:10 ` Michael Kerrisk (man-pages)
2020-05-13 11:13 ` Dave Martin
2020-05-13 11:40 ` Michael Kerrisk (man-pages)
2020-05-13 11:41 ` Dave Martin
2020-05-12 16:36 ` [PATCH 03/14] prctl.2: tfix mis-description of thread ID values in procfs Dave Martin
2020-05-13 8:36 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 04/14] prctl.2: srcfix add comments for navigation Dave Martin
2020-05-13 10:09 ` Michael Kerrisk (man-pages)
2020-05-13 10:56 ` Dave Martin
2020-05-13 11:03 ` Michael Kerrisk (man-pages)
2020-05-13 11:15 ` Dave Martin
2020-05-13 11:48 ` Michael Kerrisk (man-pages)
2020-05-13 11:51 ` Dave Martin
2020-05-12 16:36 ` [PATCH 05/14] prctl.2: tfix listing order of prctls Dave Martin
2020-05-13 10:10 ` Michael Kerrisk (man-pages)
2020-05-13 11:21 ` Dave Martin
2020-05-13 11:31 ` Michael Kerrisk (man-pages)
2020-05-13 11:45 ` Dave Martin
2020-05-12 16:36 ` [PATCH 06/14] prctl.2: ffix quotation mark tweaks Dave Martin
2020-05-13 10:11 ` Michael Kerrisk (man-pages)
2020-05-13 11:39 ` Dave Martin
2020-05-13 11:46 ` Michael Kerrisk (man-pages)
2020-05-13 11:51 ` Dave Martin
2020-05-12 16:36 ` Dave Martin [this message]
2020-05-12 16:41 ` [PATCH 07/14] prctl.2: Document removal of Intel MPX prctls Dave Hansen
2020-05-13 10:11 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 08/14] prctl.2: Work around bogus constant "maxsig" in PR_SET_PDEATHSIG Dave Martin
2020-05-13 10:30 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 09/14] prctl.2: tfix minor punctuation in SPECULATION_CTRL prctls Dave Martin
2020-05-13 10:31 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 10/14] prctl.2: Add PR_SPEC_INDIRECT_BRANCH for " Dave Martin
2020-05-13 11:21 ` Michael Kerrisk (man-pages)
2020-05-13 11:49 ` Dave Martin
2020-05-13 12:06 ` Michael Kerrisk (man-pages)
2020-05-13 13:53 ` Dave Martin
2020-05-12 16:36 ` [PATCH 11/14] prctl.2: Add PR_SPEC_DISABLE_NOEXEC " Dave Martin
2020-05-12 16:36 ` [PATCH 12/14] prctl.2: Clarify the unsupported hardware case of EINVAL Dave Martin
2020-05-13 10:48 ` Michael Kerrisk (man-pages)
2020-05-12 16:36 ` [PATCH 13/14] prctl.2: Add SVE prctls (arm64) Dave Martin
2020-05-13 8:43 ` Will Deacon
2020-05-13 10:46 ` Dave Martin
2020-05-13 11:01 ` Michael Kerrisk (man-pages)
2020-05-13 14:02 ` Dave Martin
2020-05-13 21:11 ` Will Deacon
2020-05-18 16:37 ` Dave Martin
2020-05-26 14:45 ` Dave Martin
2020-05-12 16:36 ` [PATCH 14/14] prctl.2: Add PR_PAC_RESET_KEYS (arm64) Dave Martin
2020-05-13 7:25 ` Will Deacon
2020-05-13 14:36 ` Dave Martin
2020-05-13 21:00 ` Will Deacon
2020-05-18 16:11 ` Dave Martin
2020-05-18 16:29 ` Will Deacon
2020-05-13 11:28 ` [PATCH 00/14] prctl.2 man page updates for Linux 5.6 Michael Kerrisk (man-pages)
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