x86/MSI: Use hierarchical irqdomains to manage MSI interrupts
authorJiang Liu <jiang.liu@linux.intel.com>
Mon, 13 Apr 2015 06:11:35 +0000 (14:11 +0800)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 24 Apr 2015 13:36:49 +0000 (15:36 +0200)
commit52f518a3a7c2f80551a38d38be28bc9f335e713c
tree76b270835fbb27ffdaf72004594405bc058c7d54
parent3cb96f0c97330834929abe9bd2ca3c252a83def0
x86/MSI: Use hierarchical irqdomains to manage MSI interrupts

Enhance MSI code to support hierarchical irqdomains, it helps to make
the architecture more clear.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: iommu@lists.linux-foundation.org
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Joerg Roedel <joro@8bytes.org>
Link: http://lkml.kernel.org/r/1428905519-23704-14-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/Kconfig
arch/x86/include/asm/hw_irq.h
arch/x86/include/asm/irq_remapping.h
arch/x86/include/asm/msi.h [new file with mode: 0644]
arch/x86/kernel/apic/msi.c
arch/x86/kernel/apic/vector.c
drivers/iommu/irq_remapping.c