linux-kernel - Re: [PATCH 1/4] RISC-V: KVM: Forward SBI experimental and vendor extensions

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Message-ID: <558e7e30-2d87-a19c-c85c-a2993a354074@redhat.com>
Date:   Fri, 26 Nov 2021 17:12:35 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Anup Patel <anup.patel@....com>, Shuah Khan <shuah@...nel.org>,
        Atish Patra <atishp@...shpatra.org>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alistair Francis <Alistair.Francis@....com>,
        Anup Patel <anup@...infault.org>, kvm@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 1/4] RISC-V: KVM: Forward SBI experimental and vendor
 extensions

On 11/26/21 16:40, Anup Patel wrote:
> +static int kvm_sbi_ext_expevend_handler(struct kvm_vcpu *vcpu,
> +					struct kvm_run *run,
> +					unsigned long *out_val,
> +					struct kvm_cpu_trap *utrap,
> +					bool *exit)

Doesn't really matter what this is used for, it's a handler that 
forwards.  So you can name it kvm_sbi_ext_forward_handler.

Paolo

> +{
> +	/*
> +	 * Both SBI experimental and vendor extensions are
> +	 * unconditionally forwarded to userspace.
> +	 */
> +	kvm_riscv_vcpu_sbi_forward(vcpu, run);
> +	*exit = true;
> +	return 0;
> +}
> +