linux-kernel - Re: [PATCH] KVM: nVMX: Fix some comment typos and coding style

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Message-ID: <87a75wgdd5.fsf@vitty.brq.redhat.com>
Date:   Thu, 06 Feb 2020 12:32:38 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     linmiaohe <linmiaohe@...wei.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org, x86@...nel.org,
        pbonzini@...hat.com, rkrcmar@...hat.com,
        sean.j.christopherson@...el.com, wanpengli@...cent.com,
        jmattson@...gle.com, joro@...tes.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, hpa@...or.com
Subject: Re: [PATCH] KVM: nVMX: Fix some comment typos and coding style

linmiaohe <linmiaohe@...wei.com> writes:

> From: Miaohe Lin <linmiaohe@...wei.com>
>
> Fix some typos in the comments. Also fix coding style.
>
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
> ---
>  arch/x86/include/asm/kvm_host.h | 2 +-
>  arch/x86/kvm/vmx/nested.c       | 5 +++--
>  2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 4dffbc10d3f8..8196a4a0df8b 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -782,7 +782,7 @@ struct kvm_vcpu_arch {
>  
>  	/*
>  	 * Indicate whether the access faults on its page table in guest

Indicates?

> -	 * which is set when fix page fault and used to detect unhandeable
> +	 * which is set when fix page fault and used to detect unhandleable
>  	 * instruction.

I have to admit that shadow MMU in KVM is not my strong side but this
comment reads weird, I'd appreciate if someone could suggest a better
alternative.

>  	 */
>  	bool write_fault_to_shadow_pgtable;
> diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
> index 657c2eda357c..e7faebccd733 100644
> --- a/arch/x86/kvm/vmx/nested.c
> +++ b/arch/x86/kvm/vmx/nested.c
> @@ -544,7 +544,8 @@ static void nested_vmx_disable_intercept_for_msr(unsigned long *msr_bitmap_l1,
>  	}
>  }
>  
> -static inline void enable_x2apic_msr_intercepts(unsigned long *msr_bitmap) {
> +static inline void enable_x2apic_msr_intercepts(unsigned long *msr_bitmap)
> +{
>  	int msr;
>  
>  	for (msr = 0x800; msr <= 0x8ff; msr += BITS_PER_LONG) {
> @@ -1981,7 +1982,7 @@ static int nested_vmx_handle_enlightened_vmptrld(struct kvm_vcpu *vcpu,
>  	}
>  
>  	/*
> -	 * Clean fields data can't de used on VMLAUNCH and when we switch
> +	 * Clean fields data can't be used on VMLAUNCH and when we switch

This one is even mine! :-)

>  	 * between different L2 guests as KVM keeps a single VMCS12 per L1.
>  	 */
>  	if (from_launch || evmcs_gpa_changed)

-- 
Vitaly