linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Xiaoyao Li <xiaoyao.li@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: seanjc@google.com, michael.roth@amd.com,
	isaku.yamahata@intel.com, thomas.lendacky@amd.com
Subject: Re: [PATCH 13/21] KVM: x86/mmu: Pass around full 64-bit error code for KVM page faults
Date: Mon, 4 Mar 2024 16:56:44 +0800	[thread overview]
Message-ID: <754f2fcf-fc00-4f89-a17c-a80bbec1e2ff@intel.com> (raw)
In-Reply-To: <20240227232100.478238-14-pbonzini@redhat.com>

On 2/28/2024 7:20 AM, Paolo Bonzini wrote:
> From: Isaku Yamahata <isaku.yamahata@intel.com>
> 
...
> The use of lower_32_bits() moves from kvm_mmu_page_fault() to
> FNAME(page_fault), since walking is independent of the data in the
> upper bits of the error code.

Is it a must? I don't see any issue if full u64 error_code is passed to 
FNAME(page_fault) as well.



  reply	other threads:[~2024-03-04  8:56 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-27 23:20 [PATCH 00/21] TDX/SNP part 1 of n, for 6.9 Paolo Bonzini
2024-02-27 23:20 ` [PATCH 01/21] KVM: x86: Split core of hypercall emulation to helper function Paolo Bonzini
2024-02-28  2:09   ` Xiaoyao Li
2024-03-05  6:24   ` Binbin Wu
2024-02-27 23:20 ` [PATCH 02/21] KVM: Allow page-sized MMU caches to be initialized with custom 64-bit values Paolo Bonzini
2024-02-29 13:46   ` Xiaoyao Li
2024-03-05  6:55   ` Binbin Wu
2024-03-26 15:56     ` Binbin Wu
2024-05-13 20:38       ` Isaku Yamahata
2024-05-13 20:51         ` Isaku Yamahata
2024-05-13 20:56         ` Sean Christopherson
2024-02-27 23:20 ` [PATCH 03/21] KVM: x86/mmu: Replace hardcoded value 0 for the initial value for SPTE Paolo Bonzini
2024-02-29 13:50   ` Xiaoyao Li
2024-03-05  7:09   ` Binbin Wu
2024-02-27 23:20 ` [PATCH 04/21] KVM: x86/mmu: Allow non-zero value for non-present SPTE and removed SPTE Paolo Bonzini
2024-02-29  7:00   ` Xu Yilun
2024-02-29 13:55   ` Xiaoyao Li
2024-03-11 23:26   ` Huang, Kai
2024-02-27 23:20 ` [PATCH 05/21] KVM: x86/mmu: Add Suppress VE bit to EPT shadow_mmio_mask/shadow_present_mask Paolo Bonzini
2024-03-01  7:26   ` Xiaoyao Li
2024-03-05 13:17   ` Binbin Wu
2024-02-27 23:20 ` [PATCH 06/21] KVM: x86/mmu: Track shadow MMIO value on a per-VM basis Paolo Bonzini
2024-03-01  7:44   ` Xiaoyao Li
2024-03-05  8:35   ` Binbin Wu
2024-03-12  1:21   ` Huang, Kai
2024-02-27 23:20 ` [PATCH 07/21] KVM: VMX: Introduce test mode related to EPT violation VE Paolo Bonzini
2024-02-28  1:56   ` Sean Christopherson
2024-03-12  1:35   ` Huang, Kai
2024-03-12 16:54     ` Sean Christopherson
2024-03-12 21:03       ` Huang, Kai
2024-02-27 23:20 ` [PATCH 08/21] KVM: VMX: Move out vmx_x86_ops to 'main.c' to dispatch VMX and TDX Paolo Bonzini
2024-02-27 23:20 ` [PATCH 09/21] KVM: VMX: Modify NMI and INTR handlers to take intr_info as function argument Paolo Bonzini
2024-03-04  8:09   ` Xiaoyao Li
2024-03-05 13:42   ` Binbin Wu
2024-03-12  1:43   ` Huang, Kai
2024-02-27 23:20 ` [PATCH 10/21] KVM: SEV: Use a VMSA physical address variable for populating VMCB Paolo Bonzini
2024-02-28  2:00   ` Sean Christopherson
2024-02-28 17:32     ` Paolo Bonzini
2024-02-29 16:02       ` Sean Christopherson
2024-02-27 23:20 ` [PATCH 11/21] KVM: x86/tdp_mmu: Init role member of struct kvm_mmu_page at allocation Paolo Bonzini
2024-03-03  4:47   ` Xu Yilun
2024-03-25 23:32   ` Edgecombe, Rick P
2024-02-27 23:20 ` [PATCH 12/21] KVM: x86/tdp_mmu: Sprinkle __must_check Paolo Bonzini
2024-03-04  8:29   ` Xiaoyao Li
2024-02-27 23:20 ` [PATCH 13/21] KVM: x86/mmu: Pass around full 64-bit error code for KVM page faults Paolo Bonzini
2024-03-04  8:56   ` Xiaoyao Li [this message]
2024-03-04 15:39     ` Sean Christopherson
2024-04-05 17:57     ` Paolo Bonzini
2024-02-27 23:20 ` [PATCH 14/21] KVM: x86/mmu: pass error code back to MMU when async pf is ready Paolo Bonzini
2024-02-28  2:03   ` Sean Christopherson
2024-02-28 13:13     ` Paolo Bonzini
2024-02-27 23:20 ` [PATCH 15/21] KVM: x86/mmu: Use PFERR_GUEST_ENC_MASK to indicate fault is private Paolo Bonzini
2024-02-27 23:20 ` [PATCH 16/21] KVM: guest_memfd: pass error up from filemap_grab_folio Paolo Bonzini
2024-03-03 14:41   ` Xu Yilun
2024-02-27 23:20 ` [PATCH 17/21] filemap: add FGP_CREAT_ONLY Paolo Bonzini
2024-02-28  2:14   ` Sean Christopherson
2024-02-28  2:17     ` Yosry Ahmed
2024-02-28 13:15       ` Matthew Wilcox
2024-02-28 13:28         ` Paolo Bonzini
2024-02-28 19:24           ` Matthew Wilcox
2024-02-28 20:17             ` Paolo Bonzini
2024-03-04  2:55           ` Xu Yilun
2024-02-27 23:20 ` [PATCH 18/21] KVM: x86: Add gmem hook for initializing memory Paolo Bonzini
2024-02-28 20:29   ` Isaku Yamahata
2024-02-27 23:20 ` [PATCH 19/21] KVM: guest_memfd: add API to undo kvm_gmem_get_uninit_pfn Paolo Bonzini
2024-03-04  4:44   ` Xu Yilun
2024-02-27 23:20 ` [PATCH 20/21] KVM: x86: Add gmem hook for invalidating memory Paolo Bonzini
2024-02-27 23:21 ` [PATCH 21/21] KVM: x86: Add gmem hook for determining max NPT mapping level Paolo Bonzini
2024-03-12  0:39   ` Binbin Wu
2024-03-12  0:48   ` Binbin Wu
2024-02-28  1:24 ` [PATCH 00/21] TDX/SNP part 1 of n, for 6.9 Sean Christopherson
2024-02-28 13:29   ` Paolo Bonzini
2024-02-28 16:39     ` Sean Christopherson
2024-02-28 17:20       ` Paolo Bonzini
2024-02-28 18:04         ` Sean Christopherson
2024-02-28  2:11 ` Sean Christopherson

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=754f2fcf-fc00-4f89-a17c-a80bbec1e2ff@intel.com \
    --to=xiaoyao.li@intel.com \
    --cc=isaku.yamahata@intel.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=michael.roth@amd.com \
    --cc=pbonzini@redhat.com \
    --cc=seanjc@google.com \
    --cc=thomas.lendacky@amd.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).