linux-kernel - Re: [uClinux-dev] [PATCH] m68k{nommu} : Remove unused DEFINE's from asm-offsets.c

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Date:	Fri, 27 Aug 2010 16:08:53 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	uClinux development list <uclinux-dev@...inux.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [uClinux-dev] [PATCH] m68k{nommu} : Remove unused DEFINE's from
 asm-offsets.c


Hi Philippe,

Philippe De Muyter wrote:
> m68k{nommu}/asm-offsets.c define many constants which are not used
> anymore anywhere; remove IRQ_DEVID, IRQ_HANDLER, IRQ_NEXT, STAT_IRQ,
> TASK_ACTIVE_MM, TASK_BLOCKED, TASK_FLAGS, TASK_PTRACE, TASK_STATE,
> TASK_THREAD_INFO, TI_CPU, TI_EXECDOMAIN and TI_TASK.
> 
> Signed-off-by: Philippe De Muyter <phdm@...qel.be>

I have no problem with the m68knommu part. I can push that into
the m68knommu git tree. Or if the m68k guys are happy I can put
the whole thing there?

Regards
Greg



> ---
>  arch/m68k/kernel/asm-offsets.c      |   12 ------------
>  arch/m68knommu/kernel/asm-offsets.c |    9 ---------
>  2 files changed, 0 insertions(+), 21 deletions(-)
> 
> diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c
> index 73e5e58..78e59b8 100644
> --- a/arch/m68k/kernel/asm-offsets.c
> +++ b/arch/m68k/kernel/asm-offsets.c
> @@ -22,13 +22,9 @@
>  int main(void)
>  {
>  	/* offsets into the task struct */
> -	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
> -	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
> -	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
>  	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
>  	DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
>  	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
> -	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
>  #ifdef CONFIG_MMU
>  	DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info));
>  #endif
> @@ -64,14 +60,6 @@ int main(void)
>  	/* bitfields are a bit difficult */
>  	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
>  
> -	/* offsets into the irq_handler struct */
> -	DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
> -	DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
> -	DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
> -
> -	/* offsets into the kernel_stat struct */
> -	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
> -
>  	/* offsets into the irq_cpustat_t struct */
>  	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
>  
> diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c
> index 9a8876f..eca508c 100644
> --- a/arch/m68knommu/kernel/asm-offsets.c
> +++ b/arch/m68knommu/kernel/asm-offsets.c
> @@ -21,14 +21,8 @@
>  int main(void)
>  {
>  	/* offsets into the task struct */
> -	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
> -	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
> -	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
> -	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
>  	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
> -	DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
>  	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
> -	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
>  
>  	/* offsets into the irq_cpustat_t struct */
>  	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
> @@ -77,11 +71,8 @@ int main(void)
>  	DEFINE(THREAD_SIZE, THREAD_SIZE);
>  
>  	/* Offsets in thread_info structure */
> -	DEFINE(TI_TASK, offsetof(struct thread_info, task));
> -	DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
>  	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
>  	DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
> -	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
>  
>  	return 0;
>  }


-- 
------------------------------------------------------------------------
Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
SnapGear Group, McAfee                      PHONE:       +61 7 3435 2888
8 Gardner Close                             FAX:         +61 7 3217 5323
Milton, QLD, 4064, Australia                WEB: http://www.SnapGear.com
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