Josh Poimboeuf 5fff7a398c arm64/speculation: Support 'mitigations=' cmdline option
[ Upstream commit a111b7c0f20e13b54df2fa959b3dc0bdf1925ae6 ]

Configure arm64 runtime CPU speculation bug mitigations in accordance
with the 'mitigations=' cmdline option.  This affects Meltdown, Spectre
v2, and Speculative Store Bypass.

The default behavior is unchanged.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
[will: reorder checks so KASLR implies KPTI and SSBS is affected by cmdline]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-29 09:17:30 +01:00
..
2019-02-20 10:20:53 +01:00
2019-10-29 09:16:56 +01:00
2018-02-28 10:19:44 +01:00
2019-03-23 14:35:21 +01:00
2019-10-29 09:16:56 +01:00