diff options
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 320a30dbe35e..84a822748c84 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -30,9 +30,9 @@ * Context tracking subsystem. Used to instrument transitions * between user and kernel mode. */ - .macro ct_user_exit + .macro ct_user_exit_irqoff #ifdef CONFIG_CONTEXT_TRACKING - bl context_tracking_user_exit + bl enter_from_user_mode #endif .endm @@ -792,8 +792,8 @@ el0_cp15: /* * Trapped CP15 (MRC, MCR, MRRC, MCRR) instructions */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, x25 mov x1, sp bl do_cp15instr @@ -805,8 +805,8 @@ el0_da: * Data abort handling */ mrs x26, far_el1 + ct_user_exit_irqoff enable_daif - ct_user_exit clear_address_tag x0, x26 mov x1, x25 mov x2, sp @@ -818,11 +818,11 @@ el0_ia: */ mrs x26, far_el1 gic_prio_kentry_setup tmp=x0 + ct_user_exit_irqoff enable_da_f #ifdef CONFIG_TRACE_IRQFLAGS bl trace_hardirqs_off #endif - ct_user_exit mov x0, x26 mov x1, x25 mov x2, sp @@ -832,8 +832,8 @@ el0_fpsimd_acc: /* * Floating Point or Advanced SIMD access */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, x25 mov x1, sp bl do_fpsimd_acc @@ -842,8 +842,8 @@ el0_sve_acc: /* * Scalable Vector Extension access */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, x25 mov x1, sp bl do_sve_acc @@ -852,8 +852,8 @@ el0_fpsimd_exc: /* * Floating Point, Advanced SIMD or SVE exception */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, x25 mov x1, sp bl do_fpsimd_exc @@ -868,11 +868,11 @@ el0_sp_pc: * Stack or PC alignment exception handling */ gic_prio_kentry_setup tmp=x0 + ct_user_exit_irqoff enable_da_f #ifdef CONFIG_TRACE_IRQFLAGS bl trace_hardirqs_off #endif - ct_user_exit mov x0, x26 mov x1, x25 mov x2, sp @@ -882,8 +882,8 @@ el0_undef: /* * Undefined instruction */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, sp bl do_undefinstr b ret_to_user @@ -891,8 +891,8 @@ el0_sys: /* * System instructions, for trapped cache maintenance instructions */ + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, x25 mov x1, sp bl do_sysinstr @@ -902,17 +902,18 @@ el0_dbg: * Debug exception handling */ tbnz x24, #0, el0_inv // EL0 only + mrs x24, far_el1 gic_prio_kentry_setup tmp=x3 - mrs x0, far_el1 + ct_user_exit_irqoff + mov x0, x24 mov x1, x25 mov x2, sp bl do_debug_exception enable_da_f - ct_user_exit b ret_to_user el0_inv: + ct_user_exit_irqoff enable_daif - ct_user_exit mov x0, sp mov x1, #BAD_SYNC mov x2, x25 @@ -925,13 +926,13 @@ el0_irq: kernel_entry 0 el0_irq_naked: gic_prio_irq_setup pmr=x20, tmp=x0 + ct_user_exit_irqoff enable_da_f #ifdef CONFIG_TRACE_IRQFLAGS bl trace_hardirqs_off #endif - ct_user_exit #ifdef CONFIG_HARDEN_BRANCH_PREDICTOR tbz x22, #55, 1f bl do_el0_irq_bp_hardening @@ -958,13 +959,14 @@ ENDPROC(el1_error) el0_error: kernel_entry 0 el0_error_naked: - mrs x1, esr_el1 + mrs x25, esr_el1 gic_prio_kentry_setup tmp=x2 + ct_user_exit_irqoff enable_dbg mov x0, sp + mov x1, x25 bl do_serror enable_da_f - ct_user_exit b ret_to_user ENDPROC(el0_error) |