From: Dave Hansen <dave.hansen@intel.com>
To: Yan Zhao <yan.y.zhao@intel.com>
Cc: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"sean.j.christopherson@intel.com"
<sean.j.christopherson@intel.com>,
"Huang, Kai" <kai.huang@intel.com>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"Yamahata, Isaku" <isaku.yamahata@intel.com>
Subject: Re: [PATCH 07/13] x86/virt/tdx: Add SEAMCALL wrapper tdh_mem_sept_add() to add SEPT pages
Date: Tue, 7 Jan 2025 17:20:52 -0800 [thread overview]
Message-ID: <5907bad4-5b92-40e2-b39e-6b80b7db80d8@intel.com> (raw)
In-Reply-To: <Z33Q/4piC/QMdPFQ@yzhao56-desk.sh.intel.com>
On 1/7/25 17:12, Yan Zhao wrote:
> So, why does this bitfields definition make things worse?
Look at the kernel page table management. Why don't we use bitfields for
_that_? Look at the link I sent. Bitfields can cause some really goofy
unexpected behavior if you pass them around like they were a full type.
next prev parent reply other threads:[~2025-01-08 1:20 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-01 7:49 [PATCH v2 00/13] x86/virt/tdx: Add SEAMCALL wrappers for KVM Paolo Bonzini
2025-01-01 7:49 ` [PATCH 01/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX KeyID management Paolo Bonzini
2025-01-02 19:44 ` Edgecombe, Rick P
2025-01-01 7:49 ` [PATCH 02/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX TD creation Paolo Bonzini
2025-01-03 17:51 ` Edgecombe, Rick P
2025-01-01 7:49 ` [PATCH 03/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX vCPU creation Paolo Bonzini
2025-01-01 7:49 ` [PATCH 04/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX page cache management Paolo Bonzini
2025-01-01 7:49 ` [PATCH 05/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX VM/vCPU field access Paolo Bonzini
2025-01-01 7:49 ` [PATCH 06/13] x86/virt/tdx: Add SEAMCALL wrappers for TDX flush operations Paolo Bonzini
2025-01-01 7:49 ` [PATCH 07/13] x86/virt/tdx: Add SEAMCALL wrapper tdh_mem_sept_add() to add SEPT pages Paolo Bonzini
2025-01-02 21:59 ` Edgecombe, Rick P
2025-01-07 5:27 ` Yan Zhao
2025-01-07 19:48 ` Dave Hansen
2025-01-08 1:12 ` Yan Zhao
2025-01-08 1:20 ` Dave Hansen [this message]
2025-01-08 1:43 ` Edgecombe, Rick P
2025-01-08 2:14 ` Yan Zhao
2025-01-01 7:49 ` [PATCH 08/13] x86/virt/tdx: Add SEAMCALL wrappers to add TD private pages Paolo Bonzini
2025-01-02 23:32 ` Edgecombe, Rick P
2025-01-06 5:50 ` Yan Zhao
2025-01-06 19:21 ` Edgecombe, Rick P
2025-01-07 6:37 ` Yan Zhao
2025-01-14 23:32 ` Paolo Bonzini
2025-01-15 0:49 ` Edgecombe, Rick P
2025-01-15 2:02 ` Edgecombe, Rick P
2025-01-15 5:49 ` Yan Zhao
2025-01-01 7:49 ` [PATCH 09/13] x86/virt/tdx: Add SEAMCALL wrappers to manage TDX TLB tracking Paolo Bonzini
2025-01-03 1:28 ` Edgecombe, Rick P
2025-01-07 6:40 ` Yan Zhao
2025-01-01 7:49 ` [PATCH 10/13] x86/virt/tdx: Add SEAMCALL wrappers to remove a TD private page Paolo Bonzini
2025-01-03 1:36 ` Edgecombe, Rick P
2025-01-07 6:43 ` Yan Zhao
2025-01-07 6:52 ` Yan Zhao
2025-01-07 22:13 ` Dave Hansen
2025-01-08 0:41 ` Yan Zhao
2025-01-08 16:31 ` Dave Hansen
2025-01-09 2:19 ` Yan Zhao
2025-01-01 7:49 ` [PATCH 11/13] x86/virt/tdx: Add SEAMCALL wrappers for TD measurement of initial contents Paolo Bonzini
2025-01-03 18:02 ` Edgecombe, Rick P
2025-01-14 22:03 ` Paolo Bonzini
2025-01-14 22:10 ` Dave Hansen
2025-01-15 1:24 ` Yan Zhao
2025-01-07 7:01 ` Yan Zhao
2025-01-07 22:05 ` Dave Hansen
2025-01-01 7:49 ` [PATCH 12/13] x86/virt/tdx: Read essential global metadata for KVM Paolo Bonzini
2025-01-03 18:26 ` Edgecombe, Rick P
2025-01-01 7:49 ` [PATCH 13/13] x86/virt/tdx: Add tdx_guest_keyid_alloc/free() to alloc and free TDX guest KeyID Paolo Bonzini
2025-01-02 19:43 ` [PATCH v2 00/13] x86/virt/tdx: Add SEAMCALL wrappers for KVM Edgecombe, Rick P
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