[PATCH v4] PPC: use CURRENT_THREAD_INFO instead of open coded assembly

Alexander Graf agraf at suse.de
Wed Jul 11 08:54:01 EST 2012


On 05.07.2012, at 16:41, Stuart Yoder wrote:

> From: Stuart Yoder <stuart.yoder at freescale.com>
> 
> Signed-off-by: Stuart Yoder <stuart.yoder at freescale.com>

Ben, ping?


Alex

> ---
> -v4: fixed build issues in exception-64s.h and exceptions-64s.S
> 
> arch/powerpc/include/asm/exception-64s.h |    4 ++--
> arch/powerpc/include/asm/thread_info.h   |    6 ++++++
> arch/powerpc/kernel/entry_32.S           |   24 ++++++++++++------------
> arch/powerpc/kernel/entry_64.S           |   14 +++++++-------
> arch/powerpc/kernel/exceptions-64e.S     |    2 +-
> arch/powerpc/kernel/exceptions-64s.S     |    2 +-
> arch/powerpc/kernel/head_fsl_booke.S     |    2 +-
> arch/powerpc/kernel/idle_6xx.S           |    4 ++--
> arch/powerpc/kernel/idle_book3e.S        |    2 +-
> arch/powerpc/kernel/idle_e500.S          |    4 ++--
> arch/powerpc/kernel/idle_power4.S        |    2 +-
> arch/powerpc/kernel/misc_32.S            |    4 ++--
> arch/powerpc/kvm/bookehv_interrupts.S    |    6 +-----
> arch/powerpc/mm/hash_low_32.S            |    8 ++++----
> arch/powerpc/sysdev/6xx-suspend.S        |    2 +-
> 15 files changed, 44 insertions(+), 42 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
> index d58fc4e..a43c147 100644
> --- a/arch/powerpc/include/asm/exception-64s.h
> +++ b/arch/powerpc/include/asm/exception-64s.h
> @@ -293,7 +293,7 @@ label##_hv:								\
> 
> #define RUNLATCH_ON				\
> BEGIN_FTR_SECTION				\
> -	clrrdi	r3,r1,THREAD_SHIFT;		\
> +	CURRENT_THREAD_INFO(r3, r1);		\
> 	ld	r4,TI_LOCAL_FLAGS(r3);		\
> 	andi.	r0,r4,_TLF_RUNLATCH;		\
> 	beql	ppc64_runlatch_on_trampoline;	\
> @@ -332,7 +332,7 @@ label##_common:							\
> #ifdef CONFIG_PPC_970_NAP
> #define FINISH_NAP				\
> BEGIN_FTR_SECTION				\
> -	clrrdi	r11,r1,THREAD_SHIFT;		\
> +	CURRENT_THREAD_INFO(r11, r1);		\
> 	ld	r9,TI_LOCAL_FLAGS(r11);		\
> 	andi.	r10,r9,_TLF_NAPPING;		\
> 	bnel	power4_fixup_nap;		\
> diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
> index 68831e9..faf9352 100644
> --- a/arch/powerpc/include/asm/thread_info.h
> +++ b/arch/powerpc/include/asm/thread_info.h
> @@ -22,6 +22,12 @@
> 
> #define THREAD_SIZE		(1 << THREAD_SHIFT)
> 
> +#ifdef CONFIG_PPC64
> +#define CURRENT_THREAD_INFO(dest, sp)	clrrdi dest, sp, THREAD_SHIFT
> +#else
> +#define CURRENT_THREAD_INFO(dest, sp)	rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT
> +#endif
> +
> #ifndef __ASSEMBLY__
> #include <linux/cache.h>
> #include <asm/processor.h>
> diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
> index ba3aeb4..bad42e3 100644
> --- a/arch/powerpc/kernel/entry_32.S
> +++ b/arch/powerpc/kernel/entry_32.S
> @@ -92,7 +92,7 @@ crit_transfer_to_handler:
> 	mfspr	r8,SPRN_SPRG_THREAD
> 	lwz	r0,KSP_LIMIT(r8)
> 	stw	r0,SAVED_KSP_LIMIT(r11)
> -	rlwimi	r0,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r0, r1)
> 	stw	r0,KSP_LIMIT(r8)
> 	/* fall through */
> #endif
> @@ -112,7 +112,7 @@ crit_transfer_to_handler:
> 	mfspr	r8,SPRN_SPRG_THREAD
> 	lwz	r0,KSP_LIMIT(r8)
> 	stw	r0,saved_ksp_limit at l(0)
> -	rlwimi	r0,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r0, r1)
> 	stw	r0,KSP_LIMIT(r8)
> 	/* fall through */
> #endif
> @@ -158,7 +158,7 @@ transfer_to_handler:
> 	tophys(r11,r11)
> 	addi	r11,r11,global_dbcr0 at l
> #ifdef CONFIG_SMP
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r9,TI_CPU(r9)
> 	slwi	r9,r9,3
> 	add	r11,r11,r9
> @@ -179,7 +179,7 @@ transfer_to_handler:
> 	ble-	stack_ovf		/* then the kernel stack overflowed */
> 5:
> #if defined(CONFIG_6xx) || defined(CONFIG_E500)
> -	rlwinm	r9,r1,0,0,31-THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r9, r1)
> 	tophys(r9,r9)			/* check local flags */
> 	lwz	r12,TI_LOCAL_FLAGS(r9)
> 	mtcrf	0x01,r12
> @@ -333,7 +333,7 @@ _GLOBAL(DoSyscall)
> 	mtmsr	r11
> 1:
> #endif /* CONFIG_TRACE_IRQFLAGS */
> -	rlwinm	r10,r1,0,0,(31-THREAD_SHIFT)	/* current_thread_info() */
> +	CURRENT_THREAD_INFO(r10, r1)
> 	lwz	r11,TI_FLAGS(r10)
> 	andi.	r11,r11,_TIF_SYSCALL_T_OR_A
> 	bne-	syscall_dotrace
> @@ -354,7 +354,7 @@ ret_from_syscall:
> 	bl	do_show_syscall_exit
> #endif
> 	mr	r6,r3
> -	rlwinm	r12,r1,0,0,(31-THREAD_SHIFT)	/* current_thread_info() */
> +	CURRENT_THREAD_INFO(r12, r1)
> 	/* disable interrupts so current_thread_info()->flags can't change */
> 	LOAD_MSR_KERNEL(r10,MSR_KERNEL)	/* doesn't include MSR_EE */
> 	/* Note: We don't bother telling lockdep about it */
> @@ -815,7 +815,7 @@ ret_from_except:
> 
> user_exc_return:		/* r10 contains MSR_KERNEL here */
> 	/* Check current_thread_info()->flags */
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r9,TI_FLAGS(r9)
> 	andi.	r0,r9,_TIF_USER_WORK_MASK
> 	bne	do_work
> @@ -835,7 +835,7 @@ restore_user:
> /* N.B. the only way to get here is from the beq following ret_from_except. */
> resume_kernel:
> 	/* check current_thread_info->preempt_count */
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r0,TI_PREEMPT(r9)
> 	cmpwi	0,r0,0		/* if non-zero, just restore regs and return */
> 	bne	restore
> @@ -852,7 +852,7 @@ resume_kernel:
> 	bl	trace_hardirqs_off
> #endif
> 1:	bl	preempt_schedule_irq
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r3,TI_FLAGS(r9)
> 	andi.	r0,r3,_TIF_NEED_RESCHED
> 	bne-	1b
> @@ -1122,7 +1122,7 @@ ret_from_debug_exc:
> 	lwz	r10,SAVED_KSP_LIMIT(r1)
> 	stw	r10,KSP_LIMIT(r9)
> 	lwz	r9,THREAD_INFO-THREAD(r9)
> -	rlwinm	r10,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r10, r1)
> 	lwz	r10,TI_PREEMPT(r10)
> 	stw	r10,TI_PREEMPT(r9)
> 	RESTORE_xSRR(SRR0,SRR1);
> @@ -1156,7 +1156,7 @@ load_dbcr0:
> 	lis	r11,global_dbcr0 at ha
> 	addi	r11,r11,global_dbcr0 at l
> #ifdef CONFIG_SMP
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r9,TI_CPU(r9)
> 	slwi	r9,r9,3
> 	add	r11,r11,r9
> @@ -1197,7 +1197,7 @@ recheck:
> 	LOAD_MSR_KERNEL(r10,MSR_KERNEL)
> 	SYNC
> 	MTMSRD(r10)		/* disable interrupts */
> -	rlwinm	r9,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r9,TI_FLAGS(r9)
> 	andi.	r0,r9,_TIF_NEED_RESCHED
> 	bne-	do_resched
> diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
> index ed1718f..ba943b9 100644
> --- a/arch/powerpc/kernel/entry_64.S
> +++ b/arch/powerpc/kernel/entry_64.S
> @@ -146,7 +146,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
> 	REST_2GPRS(7,r1)
> 	addi	r9,r1,STACK_FRAME_OVERHEAD
> #endif
> -	clrrdi	r11,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r11, r1)
> 	ld	r10,TI_FLAGS(r11)
> 	andi.	r11,r10,_TIF_SYSCALL_T_OR_A
> 	bne-	syscall_dotrace
> @@ -181,7 +181,7 @@ syscall_exit:
> 	bl	.do_show_syscall_exit
> 	ld	r3,RESULT(r1)
> #endif
> -	clrrdi	r12,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r12, r1)
> 
> 	ld	r8,_MSR(r1)
> #ifdef CONFIG_PPC_BOOK3S
> @@ -262,7 +262,7 @@ syscall_dotrace:
> 	ld	r7,GPR7(r1)
> 	ld	r8,GPR8(r1)
> 	addi	r9,r1,STACK_FRAME_OVERHEAD
> -	clrrdi	r10,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r10, r1)
> 	ld	r10,TI_FLAGS(r10)
> 	b	.Lsyscall_dotrace_cont
> 
> @@ -499,7 +499,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
> 2:
> #endif /* !CONFIG_PPC_BOOK3S */
> 
> -	clrrdi	r7,r8,THREAD_SHIFT	/* base of new stack */
> +	CURRENT_THREAD_INFO(r7, r8)  /* base of new stack */
> 	/* Note: this uses SWITCH_FRAME_SIZE rather than INT_FRAME_SIZE
> 	   because we don't need to leave the 288-byte ABI gap at the
> 	   top of the kernel stack. */
> @@ -559,7 +559,7 @@ _GLOBAL(ret_from_except_lite)
> #endif /* CONFIG_PPC_BOOK3E */
> 
> #ifdef CONFIG_PREEMPT
> -	clrrdi	r9,r1,THREAD_SHIFT	/* current_thread_info() */
> +	CURRENT_THREAD_INFO(r9, r1)
> 	li	r0,_TIF_NEED_RESCHED	/* bits to check */
> 	ld	r3,_MSR(r1)
> 	ld	r4,TI_FLAGS(r9)
> @@ -574,7 +574,7 @@ _GLOBAL(ret_from_except_lite)
> 	beq	restore		/* if not, just restore regs and return */
> 
> 	/* Check current_thread_info()->flags */
> -	clrrdi	r9,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r9, r1)
> 	ld	r4,TI_FLAGS(r9)
> 	andi.	r0,r4,_TIF_USER_WORK_MASK
> 	bne	do_work
> @@ -782,7 +782,7 @@ do_work:
> 1:	bl	.preempt_schedule_irq
> 
> 	/* Re-test flags and eventually loop */
> -	clrrdi	r9,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r9, r1)
> 	ld	r4,TI_FLAGS(r9)
> 	andi.	r0,r4,_TIF_NEED_RESCHED
> 	bne	1b
> diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
> index 7215cc2..2f86db6 100644
> --- a/arch/powerpc/kernel/exceptions-64e.S
> +++ b/arch/powerpc/kernel/exceptions-64e.S
> @@ -222,7 +222,7 @@ exc_##n##_bad_stack:							    \
>  * interrupts happen before the wait instruction.
>  */
> #define CHECK_NAPPING()							\
> -	clrrdi	r11,r1,THREAD_SHIFT;					\
> +	CURRENT_THREAD_INFO(r11, r1);					\
> 	ld	r10,TI_LOCAL_FLAGS(r11);				\
> 	andi.	r9,r10,_TLF_NAPPING;					\
> 	beq+	1f;							\
> diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
> index 1c06d29..8ad3468 100644
> --- a/arch/powerpc/kernel/exceptions-64s.S
> +++ b/arch/powerpc/kernel/exceptions-64s.S
> @@ -851,7 +851,7 @@ BEGIN_FTR_SECTION
> 	bne-	do_ste_alloc		/* If so handle it */
> END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB)
> 
> -	clrrdi	r11,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r11, r1)
> 	lwz	r0,TI_PREEMPT(r11)	/* If we're in an "NMI" */
> 	andis.	r0,r0,NMI_MASK at h	/* (i.e. an irq when soft-disabled) */
> 	bne	77f			/* then don't call hash_page now */
> diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
> index 1f4434a..7e7bd88 100644
> --- a/arch/powerpc/kernel/head_fsl_booke.S
> +++ b/arch/powerpc/kernel/head_fsl_booke.S
> @@ -192,7 +192,7 @@ _ENTRY(__early_start)
> 	li	r0,0
> 	stwu	r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1)
> 
> -	rlwinm  r22,r1,0,0,31-THREAD_SHIFT      /* current thread_info */
> +	CURRENT_THREAD_INFO(r22, r1)
> 	stw	r24, TI_CPU(r22)
> 
> 	bl	early_init
> diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S
> index 15c611d..1686916 100644
> --- a/arch/powerpc/kernel/idle_6xx.S
> +++ b/arch/powerpc/kernel/idle_6xx.S
> @@ -135,7 +135,7 @@ BEGIN_FTR_SECTION
> 	DSSALL
> 	sync
> END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
> -	rlwinm	r9,r1,0,0,31-THREAD_SHIFT	/* current thread_info */
> +	CURRENT_THREAD_INFO(r9, r1)
> 	lwz	r8,TI_LOCAL_FLAGS(r9)	/* set napping bit */
> 	ori	r8,r8,_TLF_NAPPING	/* so when we take an exception */
> 	stw	r8,TI_LOCAL_FLAGS(r9)	/* it will return to our caller */
> @@ -158,7 +158,7 @@ _GLOBAL(power_save_ppc32_restore)
> 	stw	r9,_NIP(r11)		/* make it do a blr */
> 
> #ifdef CONFIG_SMP
> -	rlwinm	r12,r11,0,0,31-THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r12, r11)
> 	lwz	r11,TI_CPU(r12)		/* get cpu number * 4 */
> 	slwi	r11,r11,2
> #else
> diff --git a/arch/powerpc/kernel/idle_book3e.S b/arch/powerpc/kernel/idle_book3e.S
> index ff007b5..4c7cb400 100644
> --- a/arch/powerpc/kernel/idle_book3e.S
> +++ b/arch/powerpc/kernel/idle_book3e.S
> @@ -60,7 +60,7 @@ _GLOBAL(book3e_idle)
> 1:	/* Let's set the _TLF_NAPPING flag so interrupts make us return
> 	 * to the right spot
> 	*/
> -	clrrdi	r11,r1,THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r11, r1)
> 	ld	r10,TI_LOCAL_FLAGS(r11)
> 	ori	r10,r10,_TLF_NAPPING
> 	std	r10,TI_LOCAL_FLAGS(r11)
> diff --git a/arch/powerpc/kernel/idle_e500.S b/arch/powerpc/kernel/idle_e500.S
> index 4f0ab85..1544866 100644
> --- a/arch/powerpc/kernel/idle_e500.S
> +++ b/arch/powerpc/kernel/idle_e500.S
> @@ -21,7 +21,7 @@
> 	.text
> 
> _GLOBAL(e500_idle)
> -	rlwinm	r3,r1,0,0,31-THREAD_SHIFT	/* current thread_info */
> +	CURRENT_THREAD_INFO(r3, r1)
> 	lwz	r4,TI_LOCAL_FLAGS(r3)	/* set napping bit */
> 	ori	r4,r4,_TLF_NAPPING	/* so when we take an exception */
> 	stw	r4,TI_LOCAL_FLAGS(r3)	/* it will return to our caller */
> @@ -96,7 +96,7 @@ _GLOBAL(power_save_ppc32_restore)
> 	stw	r9,_NIP(r11)		/* make it do a blr */
> 
> #ifdef CONFIG_SMP
> -	rlwinm	r12,r1,0,0,31-THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r12, r1)
> 	lwz	r11,TI_CPU(r12)		/* get cpu number * 4 */
> 	slwi	r11,r11,2
> #else
> diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S
> index 2c71b0f..e3edaa1 100644
> --- a/arch/powerpc/kernel/idle_power4.S
> +++ b/arch/powerpc/kernel/idle_power4.S
> @@ -59,7 +59,7 @@ BEGIN_FTR_SECTION
> 	DSSALL
> 	sync
> END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
> -	clrrdi	r9,r1,THREAD_SHIFT	/* current thread_info */
> +	CURRENT_THREAD_INFO(r9, r1)
> 	ld	r8,TI_LOCAL_FLAGS(r9)	/* set napping bit */
> 	ori	r8,r8,_TLF_NAPPING	/* so when we take an exception */
> 	std	r8,TI_LOCAL_FLAGS(r9)	/* it will return to our caller */
> diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
> index 386d57f..407e293 100644
> --- a/arch/powerpc/kernel/misc_32.S
> +++ b/arch/powerpc/kernel/misc_32.S
> @@ -179,7 +179,7 @@ _GLOBAL(low_choose_750fx_pll)
> 	mtspr	SPRN_HID1,r4
> 
> 	/* Store new HID1 image */
> -	rlwinm	r6,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r6, r1)
> 	lwz	r6,TI_CPU(r6)
> 	slwi	r6,r6,2
> 	addis	r6,r6,nap_save_hid1 at ha
> @@ -699,7 +699,7 @@ _GLOBAL(kernel_thread)
> #ifdef CONFIG_SMP
> _GLOBAL(start_secondary_resume)
> 	/* Reset stack */
> -	rlwinm	r1,r1,0,0,(31-THREAD_SHIFT)	/* current_thread_info() */
> +	CURRENT_THREAD_INFO(r1, r1)
> 	addi	r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
> 	li	r3,0
> 	stw	r3,0(r1)		/* Zero the stack frame pointer	*/
> diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S
> index 0fa2ef7..c8c7a04 100644
> --- a/arch/powerpc/kvm/bookehv_interrupts.S
> +++ b/arch/powerpc/kvm/bookehv_interrupts.S
> @@ -161,11 +161,7 @@
> 	mtspr	SPRN_EPLC, r8
> 
> 	/* disable preemption, so we are sure we hit the fixup handler */
> -#ifdef CONFIG_PPC64
> -	clrrdi	r8,r1,THREAD_SHIFT
> -#else
> -	rlwinm	r8,r1,0,0,31-THREAD_SHIFT       /* current thread_info */
> -#endif
> +	CURRENT_THREAD_INFO(r8, r1)
> 	li	r7, 1
> 	stw	r7, TI_PREEMPT(r8)
> 
> diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S
> index b13d589..115347f 100644
> --- a/arch/powerpc/mm/hash_low_32.S
> +++ b/arch/powerpc/mm/hash_low_32.S
> @@ -184,7 +184,7 @@ _GLOBAL(add_hash_page)
> 	add	r3,r3,r0		/* note create_hpte trims to 24 bits */
> 
> #ifdef CONFIG_SMP
> -	rlwinm	r8,r1,0,0,(31-THREAD_SHIFT) /* use cpu number to make tag */
> +	CURRENT_THREAD_INFO(r8, r1)	/* use cpu number to make tag */
> 	lwz	r8,TI_CPU(r8)		/* to go in mmu_hash_lock */
> 	oris	r8,r8,12
> #endif /* CONFIG_SMP */
> @@ -545,7 +545,7 @@ _GLOBAL(flush_hash_pages)
> #ifdef CONFIG_SMP
> 	addis	r9,r7,mmu_hash_lock at ha
> 	addi	r9,r9,mmu_hash_lock at l
> -	rlwinm	r8,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r8, r1)
> 	add	r8,r8,r7
> 	lwz	r8,TI_CPU(r8)
> 	oris	r8,r8,9
> @@ -639,7 +639,7 @@ _GLOBAL(flush_hash_patch_B)
>  */
> _GLOBAL(_tlbie)
> #ifdef CONFIG_SMP
> -	rlwinm	r8,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r8, r1)
> 	lwz	r8,TI_CPU(r8)
> 	oris	r8,r8,11
> 	mfmsr	r10
> @@ -677,7 +677,7 @@ _GLOBAL(_tlbie)
>  */
> _GLOBAL(_tlbia)
> #if defined(CONFIG_SMP)
> -	rlwinm	r8,r1,0,0,(31-THREAD_SHIFT)
> +	CURRENT_THREAD_INFO(r8, r1)
> 	lwz	r8,TI_CPU(r8)
> 	oris	r8,r8,10
> 	mfmsr	r10
> diff --git a/arch/powerpc/sysdev/6xx-suspend.S b/arch/powerpc/sysdev/6xx-suspend.S
> index 21cda08..cf48e9c 100644
> --- a/arch/powerpc/sysdev/6xx-suspend.S
> +++ b/arch/powerpc/sysdev/6xx-suspend.S
> @@ -29,7 +29,7 @@ _GLOBAL(mpc6xx_enter_standby)
> 	ori	r5, r5, ret_from_standby at l
> 	mtlr	r5
> 
> -	rlwinm	r5, r1, 0, 0, 31-THREAD_SHIFT
> +	CURRENT_THREAD_INFO(r5, r1)
> 	lwz	r6, TI_LOCAL_FLAGS(r5)
> 	ori	r6, r6, _TLF_SLEEPING
> 	stw	r6, TI_LOCAL_FLAGS(r5)
> -- 
> 1.7.3.4
> 
> 



More information about the Linuxppc-dev mailing list