Hi Thomas, On Wed, 06 Dec 2023 17:35:29 +0100, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > 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. will remove, superfluous statement. > > 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/ OK, will replace this and IRQs below. > 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 Thanks, Jacob