diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2018-05-11 11:16:22 +0100 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-03 18:16:05 +0200 |
| commit | adad489b52ea99d521312dad5034c945729361e9 (patch) | |
| tree | 36393d3d177ed77fb9b8d9f72c3915f0b6fe60fe /drivers | |
| parent | 8df7a210bdcb08abfc8fa35e5c8811a28671f9e8 (diff) | |
ARM: spectre-v1: fix syscall entry
Prevent speculation at the syscall table decoding by clamping the index
used to zero on invalid system call numbers, and using the csdb
speculative barrier.
Change-Id: I59151ce75a3887d88eed852187f05013e665a7cb
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Boot-tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions