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(parent: 8159851) | patch
dtrace: support x86 CPUs with SMAP
authorNick Alcock <nick.alcock@oracle.com>
Tue, 30 May 2017 12:51:48 +0000 (13:51 +0100)
committerNick Alcock <nick.alcock@oracle.com>
Fri, 2 Jun 2017 12:05:24 +0000 (13:05 +0100)
commite108fda7afa3fe41619f42fe20004aee7ebff6a2
tree65353b27d6750d38a10ebed98688894a15db08cbtree
parent81598514b1f1048b396279b52e7b341f21c541f0commit | diff
dtrace: support x86 CPUs with SMAP

We need to call STAC and CLAC at appropriate times, or the CPU will
fault us for accessing userspace without permission.

Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Acked-by: Kris Van Hees <kris.van.hees@oracle.com>
Orabug: 26166784
dtrace/dtrace_asm_x86_64.S diff | blob | history
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