| Message ID | 1589301419-24459-8-git-send-email-Dave.Martin@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | prctl.2 man page updates for Linux 5.6 | expand |
On 5/12/20 9:36 AM, Dave Martin wrote: > The Intel MPX API was removed from Linux 5.4. See Linux > commit f240652b6032 ("x86/mpx: Remove MPX APIs") > > Document this change. Thanks for doing this! Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
On 5/12/20 6:36 PM, Dave Martin wrote: > The Intel MPX API was removed from Linux 5.4. See Linux > commit f240652b6032 ("x86/mpx: Remove MPX APIs") > > Document this change. Thanks. Patch applied, with Dave H's Acked-by. Cheers, Michael > 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)" >
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)"
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(-)