linux-kernel - Re: [PATCH] x86: Remove never-called arch_setup_msi

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Date:	Sun, 18 Jan 2009 22:17:13 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Michael Ellerman <michael@...erman.id.au>
CC:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	tglx@...utronix.de, mingo@...hat.com, matthew@....cx
Subject: Re: [PATCH] x86: Remove never-called arch_setup_msi_irq()

Michael Ellerman wrote:
> Since commit 75c46fa, "x64, x2apic/intr-remap: MSI and MSI-X
> support for interrupt remapping infrastructure", x86 has had an
> implementation of arch_setup_msi_irqs().
> 
> That implementation does not call arch_setup_msi_irq(), instead it calls
> setup_irq(). No other x86 code calls arch_setup_msi_irq().
> 
> That leaves only arch_setup_msi_irqs() in drivers/pci/msi.c, but that
> routine is overridden by the x86 version of arch_setup_msi_irqs().
> 
> So arch_setup_msi_irq() is dead code, remove it.

Applied to tip:x86/cleanups, thanks!

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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