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From: "Huang, Kai" <kai.huang@intel.com>
To: "luto@kernel.org" <luto@kernel.org>,
	"seanjc@google.com" <seanjc@google.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"bp@alien8.de" <bp@alien8.de>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>
Cc: "Li, Xin3" <xin3.li@intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Kang, Shan" <shan.kang@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 5/9] KVM: VMX: Track CPU's MSR_IA32_VMX_BASIC as a single 64-bit value
Date: Wed, 27 Mar 2024 10:38:36 +0000	[thread overview]
Message-ID: <2f1189da63fb06b766d19ca5f230497fa44b2667.camel@intel.com> (raw)
In-Reply-To: <20240309012725.1409949-6-seanjc@google.com>

On Fri, 2024-03-08 at 17:27 -0800, Sean Christopherson wrote:
> Track the "basic" capabilities VMX MSR as a single u64 in vmcs_config
> instead of splitting it across three fields, that obviously don't combine
> into a single 64-bit value, so that KVM can use the macros that define MSR
> bits using their absolute position.  Replace all open coded shifts and
> masks, many of which are relative to the "high" half, with the appropriate
> macro.
> 
> Opportunistically use VMX_BASIC_32BIT_PHYS_ADDR_ONLY instead of an open
> coded equivalent, and clean up the related comment to not reference a
> specific SDM section (to the surprise of no one, the comment is stale).
> 
> No functional change intended (though obviously the code generation will
> be quite different).
> 
> Cc: Shan Kang <shan.kang@intel.com>
> Cc: Kai Huang <kai.huang@intel.com>
> Signed-off-by: Xin Li <xin3.li@intel.com>
> [sean: split to separate patch, write changelog]
> Signed-off-by: Sean Christopherson <seanjc@google.com>
> 

Thanks for doing this:

Reviewed-by: Kai Huang <kai.huang@intel.com>

  parent reply	other threads:[~2024-03-27 10:38 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-09  1:27 [PATCH v6 0/9] x86/cpu: KVM: Clean up PAT and VMX macros Sean Christopherson
2024-03-09  1:27 ` [PATCH v6 1/9] x86/cpu: KVM: Add common defines for architectural memory types (PAT, MTRRs, etc.) Sean Christopherson
2024-03-27 11:13   ` Huang, Kai
2024-04-03 18:57     ` Sean Christopherson
2024-04-03 21:17       ` Huang, Kai
2024-04-03 21:42         ` Sean Christopherson
2024-03-09  1:27 ` [PATCH v6 2/9] x86/cpu: KVM: Move macro to encode PAT value to common header Sean Christopherson
2024-03-27 11:21   ` Huang, Kai
2024-04-01  5:28   ` Xiaoyao Li
2024-04-03 21:03   ` Huang, Kai
2024-03-09  1:27 ` [PATCH v6 3/9] KVM: x86: Stuff vCPU's PAT with default value at RESET, not creation Sean Christopherson
2024-03-27 11:22   ` Huang, Kai
2024-04-01  6:00   ` Xiaoyao Li
2024-03-09  1:27 ` [PATCH v6 4/9] KVM: VMX: Move MSR_IA32_VMX_BASIC bit defines to asm/vmx.h Sean Christopherson
2024-03-15 15:13   ` Zhao Liu
2024-03-27 10:37   ` Huang, Kai
2024-04-01  6:13   ` Xiaoyao Li
2024-04-02  5:01     ` Li, Xin3
2024-04-02 14:28       ` Sean Christopherson
2024-03-09  1:27 ` [PATCH v6 5/9] KVM: VMX: Track CPU's MSR_IA32_VMX_BASIC as a single 64-bit value Sean Christopherson
2024-03-15 15:26   ` Zhao Liu
2024-03-27 10:38   ` Huang, Kai [this message]
2024-04-01  6:27   ` Xiaoyao Li
2024-03-09  1:27 ` [PATCH v6 6/9] KVM: nVMX: Use macros and #defines in vmx_restore_vmx_basic() Sean Christopherson
2024-03-15 15:30   ` Zhao Liu
2024-03-27 10:53   ` Huang, Kai
2024-04-01  7:00   ` Xiaoyao Li
2024-03-09  1:27 ` [PATCH v6 7/9] KVM VMX: Move MSR_IA32_VMX_MISC bit defines to asm/vmx.h Sean Christopherson
2024-03-15 15:43   ` Zhao Liu
2024-03-27 10:55   ` Huang, Kai
2024-03-09  1:27 ` [PATCH v6 8/9] KVM: VMX: Open code VMX preemption timer rate mask in its accessor Sean Christopherson
2024-03-15 15:46   ` Zhao Liu
2024-03-15 17:54     ` Sean Christopherson
2024-04-01  7:07       ` Xiaoyao Li
2024-04-02 22:06         ` Sean Christopherson
2024-04-24 20:06           ` Sean Christopherson
2024-04-25 10:05             ` Huang, Kai
2024-04-25 14:42               ` Sean Christopherson
2024-04-25 21:44                 ` Huang, Kai
2024-04-25 14:18             ` Xiaoyao Li
2024-03-27 10:59   ` Huang, Kai
2024-03-09  1:27 ` [PATCH v6 9/9] KVM: nVMX: Use macros and #defines in vmx_restore_vmx_misc() Sean Christopherson
2024-03-15 15:52   ` Zhao Liu
2024-03-27 11:02   ` Huang, Kai
2024-04-01  7:09   ` Xiaoyao Li

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