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Re: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect
Date 2016-07-21 11:20 +0200
Message-ID <rXij8-5uu-21@gated-at.bofh.it> (permalink)
References <rX8a6-7mz-9@gated-at.bofh.it> <rX8a6-7mz-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 21/07/2016 00:25, Bandan Das wrote:
> That parameter isn't used in the function,
> it's probably a historical artifact.

Same for spte_clear_dirty and spte_set_dirty, please.

Paolo

> Signed-off-by: Bandan Das <bsd@redhat.com>
> ---
>  arch/x86/kvm/mmu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index def97b3..aaecd10 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -1204,7 +1204,7 @@ static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
>   *
>   * Return true if tlb need be flushed.
>   */
> -static bool spte_write_protect(struct kvm *kvm, u64 *sptep, bool pt_protect)
> +static bool spte_write_protect(u64 *sptep, bool pt_protect)
>  {
>  	u64 spte = *sptep;
>  
> @@ -1230,7 +1230,7 @@ static bool __rmap_write_protect(struct kvm *kvm,
>  	bool flush = false;
>  
>  	for_each_rmap_spte(rmap_head, &iter, sptep)
> -		flush |= spte_write_protect(kvm, sptep, pt_protect);
> +		flush |= spte_write_protect(sptep, pt_protect);
>  
>  	return flush;
>  }
> 

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Thread

[PATCH 3/4] mmu: don't pass *kvm to spte_write_protect Bandan Das <bsd@redhat.com> - 2016-07-21 00:30 +0200
  Re: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect Paolo Bonzini <pbonzini@redhat.com> - 2016-07-21 11:20 +0200
    Re: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect Bandan Das <bsd@redhat.com> - 2016-07-21 21:30 +0200

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