x86/apic/msi: Enable PCI/IMS

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Enable IMS in the domain init and allocation mapping code, but do not
enable it on the vector domain as discussed in various threads on LKML.

The interrupt remap domains can expand this setting like they do with
PCI multi MSI.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221124232327.022658817@linutronix.de

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Thomas Gleixner 2022-11-25 00:26:32 +01:00

parent c9e5bea273

commit 6e24c88773

1 changed files with 5 additions and 0 deletions

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arch/x86/kernel/apic/msi.c

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