diff options
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index e5d4e30ee242..ddcde093c433 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -14,6 +14,7 @@ #include <asm/alternative.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/asm_pointer_auth.h> #include <asm/cpufeature.h> #include <asm/errno.h> #include <asm/esr.h> @@ -177,6 +178,7 @@ alternative_cb_end apply_ssbd 1, x22, x23 + ptrauth_keys_install_kernel tsk, 1, x20, x22, x23 .else add x21, sp, #S_FRAME_SIZE get_current_task tsk @@ -341,6 +343,9 @@ alternative_else_nop_endif msr cntkctl_el1, x1 4: #endif + /* No kernel C function calls after this as user keys are set. */ + ptrauth_keys_install_user tsk, x0, x1, x2 + apply_ssbd 0, x0, x1 .endif @@ -895,6 +900,7 @@ SYM_FUNC_START(cpu_switch_to) ldr lr, [x8] mov sp, x9 msr sp_el0, x1 + ptrauth_keys_install_kernel x1, 1, x8, x9, x10 ret SYM_FUNC_END(cpu_switch_to) NOKPROBE(cpu_switch_to) |