linux-kernel - Re: [PATCH] KVM: Loongarch: remove unnecessary definition of KVM_PRIVATE_MEM

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Message-ID: <3bf88ffb-c57b-a881-5a7a-78567e048ae2@loongson.cn>
Date: Tue, 23 Jul 2024 09:30:47 +0800
From: maobibo <maobibo@...ngson.cn>
To: WangYuli <wangyuli@...ontech.com>, zhaotianrui@...ngson.cn,
 chenhuacai@...nel.org, kernel@...0n.name
Cc: kvm@...r.kernel.org, loongarch@...ts.linux.dev,
 linux-kernel@...r.kernel.org, pbonzini@...hat.com,
 chao.p.peng@...ux.intel.com, Wentao Guan <guanwentao@...ontech.com>
Subject: Re: [PATCH] KVM: Loongarch: remove unnecessary definition of
 KVM_PRIVATE_MEM_SLOTS



On 2024/7/22 下午6:26, WangYuli wrote:
> "KVM_PRIVATE_MEM_SLOTS" is renamed as "KVM_INTERNAL_MEM_SLOTS".
> 
> KVM_PRIVATE_MEM_SLOTS defaults to zero, so it is not necessary to
> define it in Loongarch's asm/kvm_host.h.
> 
> Link: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bdd1c37a315bc50ab14066c4852bc8dcf070451e
> Link: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b075450868dbc0950f0942617f222eeb989cad10
> Signed-off-by: Wentao Guan <guanwentao@...ontech.com>
> Signed-off-by: WangYuli <wangyuli@...ontech.com>
> ---
>   arch/loongarch/include/asm/kvm_host.h | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h
> index fe38f98eeff8..ce3d36a890aa 100644
> --- a/arch/loongarch/include/asm/kvm_host.h
> +++ b/arch/loongarch/include/asm/kvm_host.h
> @@ -26,8 +26,6 @@
>   
>   #define KVM_MAX_VCPUS			256
>   #define KVM_MAX_CPUCFG_REGS		21
> -/* memory slots that does not exposed to userspace */
> -#define KVM_PRIVATE_MEM_SLOTS		0
>   
>   #define KVM_HALT_POLL_NS_DEFAULT	500000
>   #define KVM_REQ_TLB_FLUSH_GPA		KVM_ARCH_REQ(0)
> 
Reviewed-by: Bibo Mao <maobibo@...ngson.cn>