arm64: add sysfs vulnerability show for spectre-v2

Track whether all the cores in the machine are vulnerable to Spectre-v2,
and whether all the vulnerable cores have been mitigated. We then expose
this information to userspace via sysfs.

Signed-off-by: Jeremy Linton <[email protected]>
Reviewed-by: Andre Przywara <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>
Tested-by: Stefan Wahren <[email protected]>
Signed-off-by: Will Deacon <[email protected]>

0 files changed, 0 insertions, 0 deletions