On Sat, Nov 11 2023 at 20:16, Jacob Pan wrote:
> This option will be used to support delivering MSIs as posted
> interrupts. Interrupt remapping is required.
The last sentence does not make sense.
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
> ---
> arch/x86/Kconfig | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 66bfabae8814..f16882ddb390 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -463,6 +463,16 @@ 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
> + help
> + This enables MSIs that are under IRQ remapping to be delivered as posted
s/IRQ/interrupt/
This is text and not Xitter.
> + interrupts to the host kernel. IRQ throughput can potentially be improved
> + by coalescing CPU notifications during high frequency IRQ bursts.
> +
> + If you don't know what to do here, say N.
> +
> config X86_MPPARSE
> bool "Enable MPS table" if ACPI
> default y