From: patchwork-bot+linux-riscv@kernel.org
To: BillXiang <xiangwencheng@lanxincomputing.com>
Cc: linux-riscv@lists.infradead.org, anup@brainfault.org,
ajones@ventanamicro.com, kvm-riscv@lists.infradead.org,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
atishp@atishpatra.org, paul.walmsley@sifive.com,
palmer@dabbelt.com, aou@eecs.berkeley.edu,
rkrcmar@ventanamicro.com
Subject: Re: [PATCH v2] riscv: KVM: Remove unnecessary vcpu kick
Date: Thu, 27 Mar 2025 03:24:50 +0000 [thread overview]
Message-ID: <174304589076.1549280.903710261634215317.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250221104538.2147-1-xiangwencheng@lanxincomputing.com>
Hello:
This patch was applied to riscv/linux.git (for-next)
by Anup Patel <anup@brainfault.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!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2025-03-27 3:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-21 10:45 [PATCH v2] riscv: KVM: Remove unnecessary vcpu kick BillXiang
2025-02-21 11:11 ` Andrew Jones
2025-02-21 11:20 ` Radim Krčmář
2025-02-21 17:06 ` Anup Patel
2025-03-27 3:24 ` patchwork-bot+linux-riscv [this message]
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