From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Anup Patel <apatel@ventanamicro.com>
Cc: linux-serial@vger.kernel.org, kvm@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
Atish Patra <atishp@atishpatra.org>,
linux-kernel@vger.kernel.org, Conor Dooley <conor@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
kvm-riscv@lists.infradead.org,
Paul Walmsley <paul.walmsley@sifive.com>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-riscv@lists.infradead.org,
Jiri Slaby <jirislaby@kernel.org>,
Andrew Jones <ajones@ventanamicro.com>
Subject: Re: [PATCH 2/6] RISC-V: KVM: Change the SBI specification version to v2.0
Date: Tue, 10 Oct 2023 19:13:40 +0200 [thread overview]
Message-ID: <2023101013-overfeed-online-7f69@gregkh> (raw)
In-Reply-To: <20231010170503.657189-3-apatel@ventanamicro.com>
On Tue, Oct 10, 2023 at 10:34:59PM +0530, Anup Patel wrote:
> We will be implementing SBI DBCN extension for KVM RISC-V so let
> us change the KVM RISC-V SBI specification version to v2.0.
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> ---
> arch/riscv/include/asm/kvm_vcpu_sbi.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h b/arch/riscv/include/asm/kvm_vcpu_sbi.h
> index cdcf0ff07be7..8d6d4dce8a5e 100644
> --- a/arch/riscv/include/asm/kvm_vcpu_sbi.h
> +++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h
> @@ -11,7 +11,7 @@
>
> #define KVM_SBI_IMPID 3
>
> -#define KVM_SBI_VERSION_MAJOR 1
> +#define KVM_SBI_VERSION_MAJOR 2
What does this number mean? Who checks it? Why do you have to keep
incrementing it?
thanks,
greg k-h
next prev parent reply other threads:[~2023-10-10 17:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-10 17:04 [PATCH 0/6] RISC-V SBI debug console extension support Anup Patel
2023-10-10 17:04 ` [PATCH 1/6] RISC-V: Add defines for SBI debug console extension Anup Patel
2023-10-10 17:04 ` [PATCH 2/6] RISC-V: KVM: Change the SBI specification version to v2.0 Anup Patel
2023-10-10 17:13 ` Greg Kroah-Hartman [this message]
2023-10-11 6:19 ` Anup Patel
2023-10-11 7:27 ` Greg Kroah-Hartman
2023-10-11 11:02 ` Anup Patel
2023-10-11 15:26 ` Greg Kroah-Hartman
2023-10-11 15:38 ` Anup Patel
2023-10-10 17:05 ` [PATCH 3/6] RISC-V: KVM: Forward SBI DBCN extension to user-space Anup Patel
2023-10-10 17:15 ` Greg Kroah-Hartman
2023-10-11 6:32 ` Anup Patel
2023-10-11 7:25 ` Greg Kroah-Hartman
2023-10-11 10:54 ` Anup Patel
2023-10-10 17:05 ` [PATCH 4/6] tty/serial: Add RISC-V SBI debug console based earlycon Anup Patel
2023-10-10 17:16 ` Greg Kroah-Hartman
2023-10-11 5:52 ` Anup Patel
2023-10-10 17:05 ` [PATCH 5/6] tty: Add SBI debug console support to HVC SBI driver Anup Patel
2023-10-10 17:12 ` Greg Kroah-Hartman
2023-10-11 5:51 ` Anup Patel
2023-10-10 17:05 ` [PATCH 6/6] RISC-V: Enable SBI based earlycon support Anup Patel
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