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@xxxxxxxxxxxxxxx> > --- > 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
