x86/irq: Reserve a per CPU IDT vector for posted MSIs

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When posted MSI is enabled, all device MSIs are multiplexed into a single
notification vector. MSI handlers will be de-multiplexed at run-time by
system software without IDT delivery.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240423174114.526704-6-jacob.jun.pan@linux.intel.com

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Jacob Pan 2024-04-23 10:41:07 -07:00 • committed by Thomas Gleixner

parent 7fec07fd21

commit f5a3562ec9

1 changed files with 7 additions and 1 deletions

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arch/x86/include/asm/irq_vectors.h

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