Re: [PATCH v6 0/2] LongArch: KVM: Add DMSINTC support irqchip in kernel

[gaosong]

在 2026/2/6 上午11:34, Yao Zi 写道:
> On Fri, Feb 06, 2026 at 09:20:26AM +0800, Song Gao wrote:
> > Hi,
> >
> > This series  implements the DMSINTC in-kernel irqchip device,
> > enables irqfd to deliver MSI to DMSINTC, and supports injecting MSI interrupts
> > to the target vCPU.
> > applied this series.  use netperf test.
> > VM with one CPU and start netserver, host run netperf.
> > disable dmsintc
> > taskset 0x2f  netperf -H 192.168.122.204 -t UDP_RR  -l 36000
> > Local /Remote
> > Socket Size   Request  Resp.   Elapsed  Trans.
> > Send   Recv   Size     Size    Time     Rate
> > bytes  Bytes  bytes    bytes   secs.    per sec
> >
> > 212992 212992 1        1       36000.00   27107.36
> >
> > enable dmsintc
> > Local /Remote
> > Socket Size   Request  Resp.   Elapsed  Trans.
> > Send   Recv   Size     Size    Time     Rate
> > bytes  Bytes  bytes    bytes   secs.    per sec
> >
> > 212992 212992 1        1       36000.00   28831.14  (+6.3%)
> >
> > v6:
> >    Fix kvm_device leak in kvm_dmsintc_destroy().
> >
> > v5:
> >    Combine patch2 and patch3
> >    Add check msgint feature when register DMSINT device.
> >
> > V4: Rebase and R-b;
> >     replace DINTC to DMSINTC.
> >
> >
> > V3: Fix kvm_arch_set_irq_inatomic() missing dmsintc set msi.(patch3)
> >
> > V2:
> > https://patchew.org/linux/20251128091125.2720148-1-gaosong@xxxxxxxxxxx/
> >
> > Thanks.
> > Song Gao
> >
> > Song Gao (2):
> >    LongArch: KVM: Add DMSINTC device support
> >    LongArch: KVM: Add dmsintc inject msi to the dest vcpu
> There's a typo in the titles, it should be LoongArch instead of
> "LongArch".

Hi,   huacai

Should I need send v7 to fix this typo error?

Thanks.

Song Gao
> Best regards,
> Yao Zi