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55cb8cd45e
xen_allocate_pirq -> xen_map_pirq_gsi -> PHYSDEVOP_alloc_irq_vector IFF xen_initial_domain() in addition to the kernel side book-keeping side of things (set chip and handler, update irq_info etc) whereas xen_allocate_pirq_msi just does the kernel book keeping. Also xen_allocate_pirq allocates an IRQ in the 1-1 GSI space whereas xen_allocate_pirq_msi allocates a dynamic one in the >GSI IRQ space. All of this is uneccessary as this code path is only executed when we run as a domU PV guest with an MSI/MSI-X PCI card passed in. Hence we can jump straight to allocating an dynamic IRQ (and binding it to the proper PIRQ) and skip the rest. In short: this change is a cosmetic one. Reviewed-by: Ian Campbell <Ian.Campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> |
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| .. | ||
| acpi.c | ||
| amd_bus.c | ||
| broadcom_bus.c | ||
| bus_numa.c | ||
| bus_numa.h | ||
| ce4100.c | ||
| common.c | ||
| direct.c | ||
| early.c | ||
| fixup.c | ||
| i386.c | ||
| init.c | ||
| irq.c | ||
| legacy.c | ||
| Makefile | ||
| mmconfig_32.c | ||
| mmconfig_64.c | ||
| mmconfig-shared.c | ||
| mrst.c | ||
| numaq_32.c | ||
| olpc.c | ||
| pcbios.c | ||
| visws.c | ||
| xen.c | ||