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| author | Jacob Pan <jacob.jun.pan@linux.intel.com> | 2024-04-23 10:41:13 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-04-30 00:54:43 +0200 |
| commit | be9be07b22c96dc03d0ecc76b5a5f21c2dcb05a1 (patch) | |
| tree | c200afbc2ceee56b34291b813b8f174bd25cd661 /Documentation/admin-guide | |
| parent | ce0a92871179f8ca58ae8e3cf50e726a163bf831 (diff) | |
| download | linux-be9be07b22c96dc03d0ecc76b5a5f21c2dcb05a1.tar.gz | |
iommu/vt-d: Make posted MSI an opt-in command line option
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
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 902ecd92a29fbe..dfbe9fdf97e40c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2251,6 +2251,8 @@ no_x2apic_optout BIOS x2APIC opt-out request will be ignored nopost disable Interrupt Posting + posted_msi + enable MSIs delivered as posted interrupts iomem= Disable strict checking of access to MMIO memory strict regions from userspace. |