All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Zeng Guang <guang.zeng@intel.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	kvm@vger.kernel.org, Dave Hansen <dave.hansen@linux.intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Kim Phillips <kim.phillips@amd.com>,
	Jarkko Sakkinen <jarkko@kernel.org>,
	Jethro Beekman <jethro@fortanix.com>,
	Kai Huang <kai.huang@intel.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	Robert Hu <robert.hu@intel.com>, Gao Chao <chao.gao@intel.com>,
	Robert Hoo <robert.hu@linux.intel.com>
Subject: Re: [PATCH v3 2/6] KVM: VMX: Extend BUILD_CONTROLS_SHADOW macro to support 64-bit variation
Date: Fri, 6 Aug 2021 16:30:56 +0000	[thread overview]
Message-ID: <YQ1jwHuDoSNxKDVW@google.com> (raw)
In-Reply-To: <a984cf7e-fe3e-98bd-744f-9d0ff3759e01@redhat.com>

On Fri, Aug 06, 2021, Paolo Bonzini wrote:
> On 06/08/21 00:32, Sean Christopherson wrote:
> > > -BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS)
> > > -BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS)
> > > -BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL)
> > > -BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL)
> > > -BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL)
> > > +BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS, 32)
> > > +BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS, 32)
> > > +BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL, 32)
> > > +BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL, 32)
> > > +BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL, 32)
> > > +BUILD_CONTROLS_SHADOW(tertiary_exec, TERTIARY_VM_EXEC_CONTROL, 64)
> > 
> > This fails to compile because all the TERTIARY collateral is in a later patch.
> > 
> > I think I'd also prefer hiding the 32/64 param via more macros, e.g.
> > 
> > #define __BUILD_CONTROLS_SHADOW(lname, uname, bits)				\
> 
> No, please don't. :)  Also because the 64 bit version is used only once.

LOL, fine.  I'm beginning to think you have a filter for "macros" that sounds off
alarms and flashing lights ;-)

  reply	other threads:[~2021-08-06 16:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 15:13 [PATCH v3 0/6] IPI virtualization support for VM Zeng Guang
2021-08-05 15:13 ` [PATCH v3 1/6] x86/feat_ctl: Add new VMX feature, Tertiary VM-Execution control Zeng Guang
2021-08-05 15:13 ` [PATCH v3 2/6] KVM: VMX: Extend BUILD_CONTROLS_SHADOW macro to support 64-bit variation Zeng Guang
2021-08-05 22:32   ` Sean Christopherson
2021-08-06  7:01     ` Zeng Guang
2021-08-06 15:05       ` Sean Christopherson
2021-08-06 15:51     ` Paolo Bonzini
2021-08-06 16:30       ` Sean Christopherson [this message]
2021-08-05 15:13 ` [PATCH v3 3/6] KVM: VMX: Detect Tertiary VM-Execution control when setup VMCS config Zeng Guang
2021-08-05 22:35   ` Sean Christopherson
2021-08-05 22:41     ` Jim Mattson
2021-08-06  6:20     ` Zeng Guang
2021-08-05 15:13 ` [PATCH v3 4/6] KVM: VMX: dump_vmcs() reports tertiary_exec_control field as well Zeng Guang
2021-08-05 15:13 ` [PATCH v3 5/6] KVM: x86: Support interrupt dispatch in x2APIC mode with APIC-write VM exit Zeng Guang
2021-08-05 15:13 ` [PATCH v3 6/6] KVM: VMX: enable IPI virtualization Zeng Guang
2021-08-05 17:03 ` [PATCH v3 0/6] IPI virtualization support for VM Jim Mattson
2021-08-06  5:36   ` Zeng Guang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YQ1jwHuDoSNxKDVW@google.com \
    --to=seanjc@google.com \
    --cc=bp@alien8.de \
    --cc=chao.gao@intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=guang.zeng@intel.com \
    --cc=hpa@zytor.com \
    --cc=jarkko@kernel.org \
    --cc=jethro@fortanix.com \
    --cc=jmattson@google.com \
    --cc=joro@8bytes.org \
    --cc=kai.huang@intel.com \
    --cc=kan.liang@linux.intel.com \
    --cc=kim.phillips@amd.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=robert.hu@intel.com \
    --cc=robert.hu@linux.intel.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=vkuznets@redhat.com \
    --cc=wanpengli@tencent.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.