linux-kernel - Re: [PATCH v2] riscv: KVM: Remove unnecessary vcpu kick

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Message-Id: 
 <174304589076.1549280.903710261634215317.git-patchwork-notify@kernel.org>
Date: Thu, 27 Mar 2025 03:24:50 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: BillXiang <xiangwencheng@...xincomputing.com>
Cc: linux-riscv@...ts.infradead.org, anup@...infault.org,
 ajones@...tanamicro.com, kvm-riscv@...ts.infradead.org, kvm@...r.kernel.org,
 linux-kernel@...r.kernel.org, atishp@...shpatra.org,
 paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu,
 rkrcmar@...tanamicro.com
Subject: Re: [PATCH v2] riscv: KVM: Remove unnecessary vcpu kick

Hello:

This patch was applied to riscv/linux.git (for-next)
by Anup Patel <anup@...infault.org>:

On Fri, 21 Feb 2025 18:45:38 +0800 you wrote:
> Remove the unnecessary kick to the vCPU after writing to the vs_file
> of IMSIC in kvm_riscv_vcpu_aia_imsic_inject.
> 
> For vCPUs that are running, writing to the vs_file directly forwards
> the interrupt as an MSI to them and does not need an extra kick.
> 
> For vCPUs that are descheduled after emulating WFI, KVM will enable
> the guest external interrupt for that vCPU in
> kvm_riscv_aia_wakeon_hgei. This means that writing to the vs_file
> will cause a guest external interrupt, which will cause KVM to wake
> up the vCPU in hgei_interrupt to handle the interrupt properly.
> 
> [...]

Here is the summary with links:
  - [v2] riscv: KVM: Remove unnecessary vcpu kick
    https://git.kernel.org/riscv/c/d252435aca44

You are awesome, thank you!
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