iommu/vt-d: Make posted MSI an opt-in command line option

Browse source

Add a command line opt-in option for posted MSI if CONFIG_X86_POSTED_MSI=y.

Also introduce a helper function for testing if posted MSI is supported on
the platform.

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/20240423174114.526704-12-jacob.jun.pan@linux.intel.com

...

This commit is contained in:

Jacob Pan 2024-04-23 10:41:13 -07:00 • committed by Thomas Gleixner

parent ce0a928711

commit be9be07b22

3 changed files with 13 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

Documentation/admin-guide/kernel-parameters.txt

View file

7

arch/x86/include/asm/irq_remapping.h

View file

5

drivers/iommu/irq_remapping.c

View file