diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-02-01 11:07:38 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2018-05-31 11:09:03 +0100 |
| commit | 0c47ac8cd157727e7a532d665d6fb1b5fd333977 (patch) | |
| tree | 3c2e82a8bfa1eac1f305e05221b61605b76718e8 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 3f7e8e2e1ebda787f156ce46e3f0a9ce2833fa4f (diff) | |
ARM: KVM: invalidate icache on guest exit for Cortex-A15
In order to avoid aliasing attacks against the branch predictor
on Cortex-A15, let's invalidate the BTB on guest exit, which can
only be done by invalidating the icache (with ACTLR[0] being set).
We use the same hack as for A12/A17 to perform the vector decoding.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Boot-tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions