linux-kernel - Re: [PATCH v2] KVM: x86: Unexport x86_fpu

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 9 Jun 2020 11:57:43 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] KVM: x86: Unexport x86_fpu_cache and make it static

On 08/06/20 20:02, Sean Christopherson wrote:
> Make x86_fpu_cache static now that FPU allocation and destruction is
> handled entirely by common x86 code.
> 
> Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
> ---
> 
> v2: Rebased to kvm/queue, commit fb7333dfd812 ("KVM: SVM: fix calls ...").
> 
>  arch/x86/include/asm/kvm_host.h | 1 -
>  arch/x86/kvm/x86.c              | 3 +--
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 1da5858501ca..7030f2221259 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -1306,7 +1306,6 @@ struct kvm_arch_async_pf {
>  extern u64 __read_mostly host_efer;
>  
>  extern struct kvm_x86_ops kvm_x86_ops;
> -extern struct kmem_cache *x86_fpu_cache;
>  
>  #define __KVM_HAVE_ARCH_VM_ALLOC
>  static inline struct kvm *kvm_arch_alloc_vm(void)
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index c26dd1363151..e19f7c486d64 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -239,8 +239,7 @@ u64 __read_mostly host_xcr0;
>  u64 __read_mostly supported_xcr0;
>  EXPORT_SYMBOL_GPL(supported_xcr0);
>  
> -struct kmem_cache *x86_fpu_cache;
> -EXPORT_SYMBOL_GPL(x86_fpu_cache);
> +static struct kmem_cache *x86_fpu_cache;
>  
>  static struct kmem_cache *x86_emulator_cache;
>  
> 

Queued, thanks.

Paolo