x86: Introduce x86_msi_ops

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Introduce an x86 specific indirect mechanism to setup MSIs.
The MSI setup functions become function pointers in an x86_msi_ops
struct, that defaults to the implementation in io_apic.c and msi.c.

[v2: Use HAVE_DEFAULT_* knobs]
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>

...

This commit is contained in:

Stefano Stabellini 2010-10-06 16:12:28 -04:00 • committed by Konrad Rzeszutek Wilk

parent 1525bf0d8f

commit 294ee6f89c

4 changed files with 49 additions and 4 deletions

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33

arch/x86/include/asm/pci.h

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9

arch/x86/include/asm/x86_init.h

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4

arch/x86/kernel/apic/io_apic.c

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7

arch/x86/kernel/x86_init.c

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