From: David Laight <David.Laight@ACULAB.COM>
To: 'Vitaly Kuznetsov' <vkuznets@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Xiaoyao Li <xiaoyao.li@intel.com>
Subject: RE: [PATCH 06/10] KVM: nVMX: Convert local exit_reason to u16 in ...enter_non_root_mode()
Date: Fri, 13 Mar 2020 14:00:56 +0000 [thread overview]
Message-ID: <f440af10303e408d9d7f3211aa680918@AcuMS.aculab.com> (raw)
In-Reply-To: <87pndgnyud.fsf@vitty.brq.redhat.com>
From: Vitaly Kuznetsov
> Sent: 13 March 2020 13:56
...
> > load_vmcs12_host_state(vcpu, vmcs12);
> > - vmcs12->vm_exit_reason = exit_reason | VMX_EXIT_REASONS_FAILED_VMENTRY;
> > + vmcs12->vm_exit_reason = VMX_EXIT_REASONS_FAILED_VMENTRY | exit_reason;
>
> My personal preference would be to do
> (u32)exit_reason | VMX_EXIT_REASONS_FAILED_VMENTRY
> instead but maybe I'm just not in love with implicit type convertion in C.
I look at the cast and wonder what is going on :-)
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2020-03-13 14:01 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-12 18:45 [PATCH 00/10] KVM: VMX: Unionize vcpu_vmx.exit_reason Sean Christopherson
2020-03-12 18:45 ` [PATCH 01/10] KVM: nVMX: Move reflection check into nested_vmx_reflect_vmexit() Sean Christopherson
2020-03-13 12:12 ` Vitaly Kuznetsov
2020-03-17 5:33 ` Sean Christopherson
2020-03-17 16:16 ` Sean Christopherson
2020-03-17 17:00 ` Vitaly Kuznetsov
2020-03-17 17:38 ` Paolo Bonzini
2020-03-17 18:01 ` Sean Christopherson
2020-03-12 18:45 ` [PATCH 02/10] KVM: nVMX: Drop a superfluous WARN on reflecting EXTERNAL_INTERRUPT Sean Christopherson
2020-03-13 12:14 ` Vitaly Kuznetsov
2020-03-12 18:45 ` [PATCH 03/10] KVM: nVMX: Pull exit_reason from vcpu_vmx in nested_vmx_exit_reflected() Sean Christopherson
2020-03-13 12:38 ` Vitaly Kuznetsov
2020-03-12 18:45 ` [PATCH 04/10] KVM: VMX: Convert local exit_reason to u16 " Sean Christopherson
2020-03-13 12:47 ` Vitaly Kuznetsov
2020-03-12 18:45 ` [PATCH 05/10] KVM: VMX: Convert local exit_reason to u16 in vmx_handle_exit() Sean Christopherson
2020-03-13 13:48 ` Vitaly Kuznetsov
2020-03-12 18:45 ` [PATCH 06/10] KVM: nVMX: Convert local exit_reason to u16 in ...enter_non_root_mode() Sean Christopherson
2020-03-13 13:55 ` Vitaly Kuznetsov
2020-03-13 14:00 ` David Laight [this message]
2020-03-17 5:29 ` Sean Christopherson
2020-03-17 17:40 ` Paolo Bonzini
2020-03-12 18:45 ` [PATCH 07/10] KVM: nVMX: Cast exit_reason to u16 to check for nested EXTERNAL_INTERRUPT Sean Christopherson
2020-03-13 13:56 ` Vitaly Kuznetsov
2020-03-12 18:45 ` [PATCH 08/10] KVM: nVMX: Rename exit_reason to vm_exit_reason for nested VM-Exit Sean Christopherson
2020-03-13 14:01 ` Vitaly Kuznetsov
2020-03-13 16:17 ` Sean Christopherson
2020-03-12 18:45 ` [PATCH 09/10] KVM: VMX: Cache vmx->exit_reason in local u16 in vmx_handle_exit_irqoff() Sean Christopherson
2020-03-13 14:09 ` Vitaly Kuznetsov
2020-03-17 17:50 ` Paolo Bonzini
2020-03-12 18:45 ` [PATCH 10/10] KVM: VMX: Convert vcpu_vmx.exit_reason to a union Sean Christopherson
2020-03-13 14:18 ` Vitaly Kuznetsov
2020-03-17 5:28 ` Sean Christopherson
2020-03-17 17:51 ` Paolo Bonzini
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