diff options
| author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2018-03-20 11:16:02 +0100 |
|---|---|---|
| committer | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2018-04-27 08:28:29 +0200 |
| commit | 685aaecf4e90f0c1148222e95629ca562e8093db (patch) | |
| tree | 0da2df49a7973f54a7cd0e1fb8fe48e725ce1621 /arch/arm64/kvm/hyp/hyp-entry.S | |
| parent | 5a0f312409eab96928a95598d440cf54b5cf7153 (diff) | |
arm64: Introduce retpoline for aarch64/arm64.linux-4.16.5-amp
This patch adds retpoline support for aarch64.
This includes:
* Kconfig flag CONFIG_RETPOLINE to enable it
* testing for required compiler support
* generation of external retpoline thunk functions
* patches for the arm64 specific assembly code
* Enable /sys/devices/system/cpu/vulnerabilities
* arm64: retpoline: Use kernel's EXPORT_SYMBOL macro.
* arm64: retpoline: Add thunks for x29 and x30.
* arm64: retpoline: Add function signature for symbol versioning.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Diffstat (limited to 'arch/arm64/kvm/hyp/hyp-entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index f36464bd57c5..2e098c1248f7 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -38,7 +38,7 @@ mov x0, x1 mov x1, x2 mov x2, x3 - blr lr + blr_nospec_lr ldr lr, [sp], #16 .endm |