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 09:42:10 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Greg Ungerer <gerg@...pgear.com>
Cc:	uClinux development list <uclinux-dev@...inux.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [uClinux-dev] [PATCH] m68k{nommu} : Remove unused DEFINE's from asm-offsets.c

On Fri, Aug 27, 2010 at 08:08, Greg Ungerer <gerg@...pgear.com> wrote:
> 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?

The m68k part is fine, too.

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

>> ---
>>  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;
>>  }

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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