[PATCH v4 4/4] arm64/syscalls: Specific usage of verify_pre_usermode_state

Implement specific usage of verify_pre_usermode_state for user-mode returns for arm64. --- Based on next-20170322 --- arch/arm64/Kconfig| 1 + arch/arm64/kernel/entry.S | 25 + 2 files changed, 26 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig

[PATCH v4 4/4] arm64/syscalls: Specific usage of verify_pre_usermode_state

Implement specific usage of verify_pre_usermode_state for user-mode returns for arm64. --- Based on next-20170322 --- arch/arm64/Kconfig| 1 + arch/arm64/kernel/entry.S | 25 + 2 files changed, 26 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig