linux-kernel - Re: [tip:x86/irq] x86: apic: Fix mismerge, add arch_probe_nr

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Date:	Wed, 10 Mar 2010 10:55:24 +0000
From:	Ian Campbell <ijc@...lion.org.uk>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Yinghai Lu <yinghai@...nel.org>, mingo@...hat.com, hpa@...or.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...e.hu,
	linux-tip-commits@...r.kernel.org,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [tip:x86/irq] x86: apic: Fix mismerge, add
 arch_probe_nr_irqs() again

On Mon, 2010-03-01 at 13:58 -0800, Eric W. Biederman wrote:
> 
> >> - Xen has an array irq_info[NR_IRQS] one of the last static arrays
> >>   sized at NR_IRQs in the entire kernel.
> >
> > Hopefully the same info as is in that array could (and indeed
> should) be
> > instead stored in irq_desc->chip_data. Would you object to
> > arch_init_copy_chip_data and arch_free_chip_data becoming function
> > pointers within the struct irq_chip?
> 
> No objections.  Now that I see those methods it looks like they always
> should have been in irq_chip. 

The following changes since commit c0a2d57e753717cc893b4b38bfb351c7f19469c3:
  Ingo Molnar (1):
        Merge branch 'perf/urgent'

are available in the git repository at:

  git://xenbits.xensource.com/people/ianc/linux-2.6.git for-x86/irq

Ian Campbell (3):
      x86: namespace some I/O APIC related structures and functions.
      irq: move some interrupt arch_* functions into struct irq_chip.
      x86: irq_desc->chip_data is always correct whether or not SPARSE_IRQ is enabled.

 arch/powerpc/kernel/irq.c      |    2 +-
 arch/x86/include/asm/hw_irq.h  |   25 +++--
 arch/x86/kernel/apic/io_apic.c |  233 ++++++++++++++++++++++++---------------
 arch/x86/kernel/uv_irq.c       |   19 ++--
 include/linux/interrupt.h      |    2 +-
 include/linux/irq.h            |   12 ++-
 kernel/irq/handle.c            |    2 +-
 kernel/irq/numa_migrate.c      |   12 ++-
 kernel/softirq.c               |    3 +-
 9 files changed, 195 insertions(+), 115 deletions(-)


-- 
Ian Campbell
Current Noise: Mistress - Lord Worm

Nothing is easier than to denounce the evildoer; nothing is more difficult
than to understand him.
		-- Fyodor Dostoevski

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