On 1/27/2024 7:42 AM, Jacob Pan wrote:
This option will be used to support delivering MSIs as posted
interrupts. Interrupt remapping is required.
Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5edec175b9bf..79f04ee2b91c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -463,6 +463,17 @@ config X86_X2APIC
If you don't know what to do here, say N.
+config X86_POSTED_MSI
+ bool "Enable MSI and MSI-x delivery by posted interrupts"
+ depends on X86_X2APIC && X86_64 && IRQ_REMAP
Does posted_msi really depend on x2APIC? PID.NDST encoding supports both xAPIC
and x2APIC.
If posted_msi posts more stringent requirement, I think it deserves an
explanation in this patch's description.
And, X86_X2APIC already depends on IRQ_REMAP, can we just list one of them here?
