linux-kernel - Re: [PATCH v2 15/15] RISC-V: KVM: add support for SBI_FWFT_MISALIGNED

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Message-ID: <Z6roumtGyFOfoOiw@debug.ba.rivosinc.com>
Date: Mon, 10 Feb 2025 22:05:46 -0800
From: Deepak Gupta <debug@...osinc.com>
To: Clément Léger <cleger@...osinc.com>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Anup Patel <anup@...infault.org>,
	Atish Patra <atishp@...shpatra.org>, Shuah Khan <shuah@...nel.org>,
	Jonathan Corbet <corbet@....net>, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org,
	linux-kselftest@...r.kernel.org,
	Samuel Holland <samuel.holland@...ive.com>
Subject: Re: [PATCH v2 15/15] RISC-V: KVM: add support for
 SBI_FWFT_MISALIGNED_DELEG

On Mon, Feb 10, 2025 at 10:35:48PM +0100, Clément Léger wrote:
>SBI_FWFT_MISALIGNED_DELEG needs hedeleg to be modified to delegate
>misaligned load/store exceptions. Save and restore it during CPU
>load/put.
>
>Signed-off-by: Clément Léger <cleger@...osinc.com>

Reviewed-by: Deepak Gupta <debug@...osinc.com>

>---
> arch/riscv/kvm/vcpu.c          |  3 +++
> arch/riscv/kvm/vcpu_sbi_fwft.c | 39 ++++++++++++++++++++++++++++++++++
> 2 files changed, 42 insertions(+)
>
>diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c