From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> Lockdep is needed by proving the spinlocks and rwlocks. Currently, we only put trace_hardirqs_on/off with csky_irq and ret_from_exception. Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> --- arch/csky/Kconfig | 3 +++ arch/csky/kernel/entry.S | 11 +++++++++++ 2 files changed, 14 insertions(+) diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index a75b8e1fef1d..998188f44fd7 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -69,6 +69,9 @@ config CSKY select PCI_SYSCALL if PCI select PCI_MSI if PCI +config LOCKDEP_SUPPORT + def_bool y + config CPU_HAS_CACHEV2 bool diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S index 0bde1d9fd277..8b040a1b11d0 100644 --- a/arch/csky/kernel/entry.S +++ b/arch/csky/kernel/entry.S @@ -225,6 +225,13 @@ ret_from_exception: cmpnei r12, 0 bt exit_work 1: +#ifdef CONFIG_TRACE_IRQFLAGS + ld r10, (sp, LSAVE_PSR) + btsti r10, 6 + bf 2f + jbsr trace_hardirqs_on +2: +#endif RESTORE_ALL exit_work: @@ -280,6 +287,10 @@ ENTRY(csky_irq) zero_fp psrset ee +#ifdef CONFIG_TRACE_IRQFLAGS + jbsr trace_hardirqs_off +#endif + #ifdef CONFIG_PREEMPTION mov r9, sp /* Get current stack pointer */ bmaski r10, THREAD_SHIFT -- 2.17.0
