genirq/msi: Add size info to struct msi_domain_info

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To allow proper range checking especially for dynamic allocations add a
size field to struct msi_domain_info. If the field is 0 then the size is
unknown or unlimited (up to MSI_MAX_INDEX) to provide backwards
compability.

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/20221124232325.501144862@linutronix.de

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Thomas Gleixner 2022-11-25 00:25:51 +01:00

parent ebca4396ee

commit 61bf992fc6

2 changed files with 16 additions and 0 deletions

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5

include/linux/msi.h

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11

kernel/irq/msi.c

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