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| author |   Dave Hansen <dave.hansen@linux.intel.com> | 2019-07-05 10:53:21 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-07-22 11:54:57 +0200 |
| commit | f240652b6032b48ad7fa35c5e701cc4c8d697c0b (patch) | |
| tree | 5b1c833f37071a7a8c4547502c9aa276afd6d943 /include/uapi/linux/prctl.h | |
| parent | x86/mpx: Remove selftests themselves (diff) | |
| download | wireguard-linux-f240652b6032b48ad7fa35c5e701cc4c8d697c0b.tar.xz wireguard-linux-f240652b6032b48ad7fa35c5e701cc4c8d697c0b.zip | |
x86/mpx: Remove MPX APIs
MPX is being removed from the kernel due to a lack of support in the
toolchain going forward (gcc).
The first step is to remove the userspace-visible ABIs so that applications
will stop using it. The most visible one are the enable/disable prctl()s.
Remove them first.
This is the most minimal and least invasive change needed to ensure that
apps stop using MPX with new kernels.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190705175321.DB42F0AD@viggo.jf.intel.com
Diffstat (limited to 'include/uapi/linux/prctl.h')
| -rw-r--r-- | include/uapi/linux/prctl.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index 094bb03b9cc2..961e0a4a0f73 100644 --- a/include/uapi/linux/prctl.h +++ b/include/uapi/linux/prctl.h @@ -181,7 +181,7 @@ struct prctl_mm_map { #define PR_GET_THP_DISABLE 42 /* - * Tell the kernel to start/stop helping userspace manage bounds tables. + * No longer implemented, but left here to ensure the numbers stay reserved: */ #define PR_MPX_ENABLE_MANAGEMENT 43 #define PR_MPX_DISABLE_MANAGEMENT 44 |