genirq/msi: Check for invalid MSI parent domain usage

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In the upcoming per device MSI domain concept the MSI parent domains are
not allowed to be used as regular MSI domains where the MSI allocation/free
operations are applicable.

Add appropriate checks.

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/20221124230313.806128070@linutronix.de

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Thomas Gleixner 2022-11-25 00:24:19 +01:00

parent e71c5d0bb1

commit 3e86a3a3ed

1 changed files with 14 additions and 3 deletions

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kernel/irq/msi.c

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