forked from Minki/linux
b5dc8e6c21
Abstract CPU local APIC as an interrupt controller and create an irqdomain for it to manage CPU interrupt vectors. It's the base to enable hierarchical irqdomains on x86 systems. The final irqdomain hierarchy will look like this: IOAPIC domain ----| MSI/MSI-x domain ----> [Interrupt Remapping domain] -> CPU vector domain HPET_IRQ domain ----| ^ | DMAR domain ----------------------------------------------| HT_IRQ domain ----------------------------------------------| 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: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Prarit Bhargava <prarit@redhat.com> 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: Grant Likely <grant.likely@linaro.org> Link: http://lkml.kernel.org/r/1428905519-23704-3-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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