From: Andrew Jones <ajones@ventanamicro.com>
To: "Radim Krčmář" <rkrcmar@ventanamicro.com>
Cc: kvm-riscv@lists.infradead.org, kvm@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
Anup Patel <anup@brainfault.org>,
Atish Patra <atishp@atishpatra.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Mayuresh Chitale <mchitale@ventanamicro.com>
Subject: Re: [PATCH 3/5] KVM: RISC-V: remove unnecessary SBI reset state
Date: Fri, 25 Apr 2025 15:05:22 +0200 [thread overview]
Message-ID: <20250425-adf6ca95915c46a5403fb742@orel> (raw)
In-Reply-To: <20250403112522.1566629-6-rkrcmar@ventanamicro.com>
On Thu, Apr 03, 2025 at 01:25:22PM +0200, Radim Krčmář wrote:
> The SBI reset state has only two variables -- pc and a1.
> The rest is known, so keep only the necessary information.
>
> The reset structures make sense if we want userspace to control the
> reset state (which we do), but I'd still remove them now and reintroduce
> with the userspace interface later -- we could probably have just a
> single reset state per VM, instead of a reset state for each VCPU.
>
> Signed-off-by: Radim Krčmář <rkrcmar@ventanamicro.com>
> ---
> arch/riscv/include/asm/kvm_aia.h | 3 --
> arch/riscv/include/asm/kvm_host.h | 12 ++++---
> arch/riscv/kvm/aia_device.c | 4 +--
> arch/riscv/kvm/vcpu.c | 58 +++++++++++++++++--------------
> arch/riscv/kvm/vcpu_sbi.c | 9 +++--
> 5 files changed, 44 insertions(+), 42 deletions(-)
>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
next prev parent reply other threads:[~2025-04-25 13:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-03 11:25 [PATCH 0/5] KVM: RISC-V: VCPU reset fixes Radim Krčmář
2025-04-03 11:25 ` [PATCH 1/5] KVM: RISC-V: refactor vector state reset Radim Krčmář
2025-04-25 12:56 ` Andrew Jones
2025-05-07 11:43 ` Anup Patel
2025-04-03 11:25 ` [PATCH 2/5] KVM: RISC-V: refactor sbi reset request Radim Krčmář
2025-04-25 12:58 ` Andrew Jones
2025-05-07 12:01 ` Anup Patel
2025-05-07 17:28 ` Radim Krčmář
2025-05-08 5:02 ` Anup Patel
2025-04-03 11:25 ` [PATCH 3/5] KVM: RISC-V: remove unnecessary SBI reset state Radim Krčmář
2025-04-25 13:05 ` Andrew Jones [this message]
2025-04-28 12:16 ` Anup Patel
2025-04-28 18:00 ` Radim Krčmář
2025-04-29 5:50 ` Anup Patel
2025-05-08 6:18 ` Anup Patel
2025-05-08 10:02 ` Radim Krčmář
2025-05-08 13:11 ` Anup Patel
2025-04-03 11:25 ` [PATCH 4/5] KVM: RISC-V: reset VCPU state when becoming runnable Radim Krčmář
2025-04-25 13:26 ` Andrew Jones
2025-04-25 16:04 ` Radim Krčmář
2025-04-28 12:22 ` Anup Patel
2025-04-28 17:45 ` Radim Krčmář
2025-04-29 5:55 ` Anup Patel
2025-04-29 10:25 ` Radim Krčmář
2025-04-29 15:01 ` Anup Patel
2025-04-29 16:21 ` Radim Krčmář
2025-04-30 4:22 ` Anup Patel
2025-04-30 5:26 ` Anup Patel
2025-04-30 8:29 ` Radim Krčmář
2025-04-30 10:17 ` Anup Patel
2025-04-30 11:45 ` Radim Krčmář
2025-04-30 13:02 ` Anup Patel
2025-04-30 14:38 ` Radim Krčmář
2025-04-03 11:25 ` [PATCH 5/5] KVM: RISC-V: reset smstateen CSRs Radim Krčmář
2025-04-25 12:38 ` Anup Patel
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