Re: [RFC] clustered apic irq affinity fix for i386

From: Andrew Morton (akpm@digeo.com)
Date: Wed Apr 30 2003 - 18:36:37 EST


Keith Mannthey <kmannth@us.ibm.com> wrote:
>
> Hello all,
> Machines with clustered apics are buggy when it comes to setting irq
> affinity.

You stand accused of crimes against whitespace.

- The patch uses eight-spaces everywhere. Please use eight-stop tabs.

- Funny comment format:

/*we want to be careful what we write we are in clustered mode
 *if the mask came from pending_irq_balance_apicid we are ok because
 *it was generated with cpu_to_logical_apicid*/

 should be

/*
 * We want to be careful what we write we are in clustered mode if the mask
 * came from pending_irq_balance_apicid we are ok because it was generated
 * with cpu_to_logical_apicid.
 */

- 1e16-column xterms. Please aim for 80-columns:

static inline void io_apic_write_affinity(unsigned int apic, unsigned int reg, unsigned int mask, unsigned int irq)

  should be:

static inline void io_apic_write_affinity(unsigned int apic,
                unsigned int reg, unsigned int mask, unsigned int irq)

  or

static inline void
io_apic_write_affinity(unsigned int apic, unsigned int reg,
                        unsigned int mask, unsigned int irq)

- non-K&R braces:

       if ((pending_irq_balance_apicid[irq] == mask) || (irqbalance_disabled))
       {
               mask = mask << 24;
               io_apic_write(apic,reg,mask);
       }
       else
       {
               printk ("Trying to write abartry affinity value to ioapic! Not allowed!");
       }
}

  should be:

       if ((pending_irq_balance_apicid[irq] == mask) || irqbalance_disabled) {
               mask = mask << 24;
               io_apic_write(apic,reg,mask);
       } else {
               printk("Trying to write abartry affinity value to ioapic! Not allowed!");
       }

  (note: no space between "printk" and "(")

  (s/abartry/arbitrary/)

  (best replace that printk with a BUG() or a WARN_ON(1))

  (or split the string up so it fits in 80-cols)

- Funny comments:

        /*only the first 8 bits are valid*/

  should be:

        /* Only the first 8 bits are valid */

Could you please take a look at all that and resend?

Thanks.

-
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