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Commit 10e26723 authored by David S. Miller's avatar David S. Miller Committed by David S. Miller
Browse files

[SPARC64]: Add irqtrace/stacktrace/lockdep support. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent af1713e0

arch/sparc64/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -26,6 +26,14 @@ config MMU 
	bool

	default y



config STACKTRACE_SUPPORT

	bool

	default y



config LOCKDEP_SUPPORT

	bool

	default y



config TIME_INTERPOLATION

	bool

	default y

arch/sparc64/Kconfig.debug

+4 −0
Original line number Diff line number Diff line 
menu "Kernel hacking"



config TRACE_IRQFLAGS_SUPPORT

	bool

	default y



source "lib/Kconfig.debug"



config DEBUG_STACK_USAGE

arch/sparc64/kernel/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ obj-y := process.o setup.o cpu.o idprom.o \ 
		   power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \

		   visemul.o prom.o of_device.o



obj-$(CONFIG_STACKTRACE) += stacktrace.o

obj-$(CONFIG_PCI)	 += ebus.o isa.o pci_common.o pci_iommu.o \

			    pci_psycho.o pci_sabre.o pci_schizo.o \

			    pci_sun4v.o pci_sun4v_asm.o

arch/sparc64/kernel/entry.S

+26 −1
Original line number Diff line number Diff line
@@ -597,7 +597,12 @@ __spitfire_cee_trap_continue: 
1:	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7



2:	mov		%l4, %o1

2:

#ifdef CONFIG_TRACE_IRQFLAGS

	call	trace_hardirqs_off

	 nop

#endif

	mov		%l4, %o1

	mov		%l5, %o2

	call		spitfire_access_error

	 add		%sp, PTREGS_OFF, %o0
@@ -824,6 +829,10 @@ do_cheetah_plus_data_parity: 
	wrpr		%g0, 15, %pil

	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7

#ifdef CONFIG_TRACE_IRQFLAGS

	call		trace_hardirqs_off

	 nop

#endif

	mov		0x0, %o0

	call		cheetah_plus_parity_error

	 add		%sp, PTREGS_OFF, %o1
@@ -855,6 +864,10 @@ do_cheetah_plus_insn_parity: 
	wrpr		%g0, 15, %pil

	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7

#ifdef CONFIG_TRACE_IRQFLAGS

	call		trace_hardirqs_off

	 nop

#endif

	mov		0x1, %o0

	call		cheetah_plus_parity_error

	 add		%sp, PTREGS_OFF, %o1
@@ -1183,6 +1196,10 @@ c_fast_ecc: 
	wrpr		%g0, 15, %pil

	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7

#ifdef CONFIG_TRACE_IRQFLAGS

	call		trace_hardirqs_off

	 nop

#endif

	mov		%l4, %o1

	mov		%l5, %o2

	call		cheetah_fecc_handler
@@ -1211,6 +1228,10 @@ c_cee: 
	wrpr		%g0, 15, %pil

	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7

#ifdef CONFIG_TRACE_IRQFLAGS

	call		trace_hardirqs_off

	 nop

#endif

	mov		%l4, %o1

	mov		%l5, %o2

	call		cheetah_cee_handler
@@ -1239,6 +1260,10 @@ c_deferred: 
	wrpr		%g0, 15, %pil

	ba,pt		%xcc, etrap_irq

	 rd		%pc, %g7

#ifdef CONFIG_TRACE_IRQFLAGS

	call		trace_hardirqs_off

	 nop

#endif

	mov		%l4, %o1

	mov		%l5, %o2

	call		cheetah_deferred_handler

arch/sparc64/kernel/head.S

+8 −0
Original line number Diff line number Diff line
@@ -489,6 +489,14 @@ tlb_fixup_done: 
	call	__bzero

	 sub	%o1, %o0, %o1



#ifdef CONFIG_LOCKDEP

	/* We have this call this super early, as even prom_init can grab

	 * spinlocks and thus call into the lockdep code.

	 */

	call	lockdep_init

	 nop

#endif



	mov	%l6, %o1			! OpenPROM stack

	call	prom_init

	 mov	%l7, %o0			! OpenPROM cif handler