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From: Thomas Gleixner <tglx@linutronix.de>
To: Lai Jiangshan <jiangshanlai@gmail.com>, linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, Lai Jiangshan <laijs@linux.alibaba.com>,
	x86@kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base
Date: Sun, 21 Nov 2021 16:17:56 +0100	[thread overview]
Message-ID: <87k0h1leqj.ffs@tglx> (raw)
In-Reply-To: <20211118110814.2568-2-jiangshanlai@gmail.com>

Lai,

On Thu, Nov 18 2021 at 19:08, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@linux.alibaba.com>
>
> And they use FSGSBASE instructions when enabled.

That's really not a proper explanation for adding yet more exports.

Thanks,

        tglx



  parent reply	other threads:[~2021-11-21 15:18 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-18 11:07 [PATCH 00/15] KVM: X86: Miscellaneous cleanups Lai Jiangshan
2021-11-18 11:08 ` [PATCH 01/15] KVM: VMX: Use x86 core API to access to fs_base and inactive gs_base Lai Jiangshan
2021-11-18 16:05   ` Paolo Bonzini
2021-11-21 15:17   ` Thomas Gleixner [this message]
2021-11-22  3:27     ` Lai Jiangshan
2021-11-18 11:08 ` [PATCH 02/15] KVM: VMX: Avoid to rdmsrl(MSR_IA32_SYSENTER_ESP) Lai Jiangshan
2021-11-18 11:18   ` Paolo Bonzini
2021-11-18 14:17     ` Lai Jiangshan
2021-11-18 14:38       ` Paolo Bonzini
2021-11-18 11:08 ` [PATCH 03/15] KVM: VMX: Update msr value after kvm_set_user_return_msr() succeeds Lai Jiangshan
2021-11-18 11:08 ` [PATCH 04/15] KVM: VMX: Save HOST_CR3 in vmx_prepare_switch_to_guest() Lai Jiangshan
2021-11-18 11:08 ` [PATCH 05/15] KVM: VMX: Add document to state that write to uret msr should always be intercepted Lai Jiangshan
2021-11-18 16:05   ` Paolo Bonzini
2021-12-07 20:38     ` Sean Christopherson
2021-11-18 11:08 ` [PATCH 06/15] KVM: VMX: Use kvm_set_msr_common() for MSR_IA32_TSC_ADJUST in the default way Lai Jiangshan
2021-11-18 11:08 ` [PATCH 07/15] KVM: VMX: Change comments about vmx_get_msr() Lai Jiangshan
2021-11-18 11:08 ` [PATCH 08/15] KVM: SVM: Rename get_max_npt_level() to get_npt_level() Lai Jiangshan
2021-11-18 11:08 ` [PATCH 09/15] KVM: SVM: Allocate sd->save_area with __GFP_ZERO Lai Jiangshan
2021-11-18 11:08 ` [PATCH 10/15] KVM: X86: Skip allocating pae_root for vcpu->arch.guest_mmu when !tdp_enabled Lai Jiangshan
2021-11-18 11:08 ` [PATCH 11/15] KVM: X86: Fix comment in __kvm_mmu_create() Lai Jiangshan
2021-11-18 11:08 ` [PATCH 12/15] KVM: X86: Remove unused declaration of __kvm_mmu_free_some_pages() Lai Jiangshan
2021-11-18 11:08 ` [PATCH 13/15] KVM: X86: Remove useless code to set role.gpte_is_8_bytes when role.direct Lai Jiangshan
2021-11-18 11:08 ` [PATCH 14/15] KVM: X86: Calculate quadrant when !role.gpte_is_8_bytes Lai Jiangshan
2021-11-18 11:08 ` [PATCH 15/15] KVM: X86: Always set gpte_is_8_bytes when direct map Lai Jiangshan
2021-11-18 11:12   ` Paolo Bonzini
2021-11-18 14:34     ` Lai Jiangshan
2021-11-18 15:01       ` Paolo Bonzini
2021-11-19 10:30         ` Lai Jiangshan
2021-11-19 10:34           ` Paolo Bonzini
2021-11-19 10:42             ` Lai Jiangshan

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