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Diffstat (limited to 'arch/arm64/kernel/entry-common.c')
-rw-r--r--arch/arm64/kernel/entry-common.c84
1 files changed, 42 insertions, 42 deletions
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index db8b2e2d02c2..6f7a98d8d60f 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -75,6 +75,24 @@ static void noinstr exit_to_kernel_mode(struct pt_regs *regs)
}
}
+asmlinkage void noinstr enter_from_user_mode(void)
+{
+ lockdep_hardirqs_off(CALLER_ADDR0);
+ CT_WARN_ON(ct_state() != CONTEXT_USER);
+ user_exit_irqoff();
+ trace_hardirqs_off_finish();
+}
+
+asmlinkage void noinstr exit_to_user_mode(void)
+{
+ mte_check_tfsr_exit();
+
+ trace_hardirqs_on_prepare();
+ lockdep_hardirqs_on_prepare(CALLER_ADDR0);
+ user_enter_irqoff();
+ lockdep_hardirqs_on(CALLER_ADDR0);
+}
+
static void noinstr arm64_enter_nmi(struct pt_regs *regs)
{
regs->lockdep_hardirqs = lockdep_hardirqs_enabled();
@@ -105,6 +123,30 @@ static void noinstr arm64_exit_nmi(struct pt_regs *regs)
__nmi_exit();
}
+static void noinstr arm64_enter_el1_dbg(struct pt_regs *regs)
+{
+ regs->lockdep_hardirqs = lockdep_hardirqs_enabled();
+
+ lockdep_hardirqs_off(CALLER_ADDR0);
+ rcu_nmi_enter();
+
+ trace_hardirqs_off_finish();
+}
+
+static void noinstr arm64_exit_el1_dbg(struct pt_regs *regs)
+{
+ bool restore = regs->lockdep_hardirqs;
+
+ if (restore) {
+ trace_hardirqs_on_prepare();
+ lockdep_hardirqs_on_prepare(CALLER_ADDR0);
+ }
+
+ rcu_nmi_exit();
+ if (restore)
+ lockdep_hardirqs_on(CALLER_ADDR0);
+}
+
static void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs)
{
if (IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && !interrupts_enabled(regs))
@@ -265,30 +307,6 @@ static void noinstr el1_undef(struct pt_regs *regs)
exit_to_kernel_mode(regs);
}
-static void noinstr arm64_enter_el1_dbg(struct pt_regs *regs)
-{
- regs->lockdep_hardirqs = lockdep_hardirqs_enabled();
-
- lockdep_hardirqs_off(CALLER_ADDR0);
- rcu_nmi_enter();
-
- trace_hardirqs_off_finish();
-}
-
-static void noinstr arm64_exit_el1_dbg(struct pt_regs *regs)
-{
- bool restore = regs->lockdep_hardirqs;
-
- if (restore) {
- trace_hardirqs_on_prepare();
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
- }
-
- rcu_nmi_exit();
- if (restore)
- lockdep_hardirqs_on(CALLER_ADDR0);
-}
-
static void noinstr el1_dbg(struct pt_regs *regs, unsigned long esr)
{
unsigned long far = read_sysreg(far_el1);
@@ -382,24 +400,6 @@ asmlinkage void noinstr el1h_64_error_handler(struct pt_regs *regs)
arm64_exit_nmi(regs);
}
-asmlinkage void noinstr enter_from_user_mode(void)
-{
- lockdep_hardirqs_off(CALLER_ADDR0);
- CT_WARN_ON(ct_state() != CONTEXT_USER);
- user_exit_irqoff();
- trace_hardirqs_off_finish();
-}
-
-asmlinkage void noinstr exit_to_user_mode(void)
-{
- mte_check_tfsr_exit();
-
- trace_hardirqs_on_prepare();
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
- user_enter_irqoff();
- lockdep_hardirqs_on(CALLER_ADDR0);
-}
-
static void noinstr el0_da(struct pt_regs *regs, unsigned long esr)
{
unsigned long far = read_sysreg(far_el1);