From: Dave Hansen <dave.hansen@intel.com>
To: Nikolay Borisov <nik.borisov@suse.com>, Chao Gao <chao.gao@intel.com>
Cc: linux-coco@lists.linux.dev, x86@kernel.org, kvm@vger.kernel.org,
seanjc@google.com, pbonzini@redhat.com, eddie.dong@intel.com,
kirill.shutemov@intel.com, dan.j.williams@intel.com,
kai.huang@intel.com, isaku.yamahata@intel.com,
elena.reshetova@intel.com, rick.p.edgecombe@intel.com,
Farrah Chen <farrah.chen@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 03/20] x86/virt/seamldr: Introduce a wrapper for P-SEAMLDR SEAMCALLs
Date: Tue, 10 Jun 2025 08:02:59 -0700 [thread overview]
Message-ID: <d39e428e-9bba-4319-bd72-ece8e39012e1@intel.com> (raw)
In-Reply-To: <e969d071-1161-4323-89e1-8a358b3760b3@suse.com>
On 6/9/25 23:52, Nikolay Borisov wrote:
> Then just have TDX select FW_UPLOAD/FW_LOADER and be done with it.
> Still, let's hear other opinions but in this case I'd say size
> considerations aren't major so let's make it simpler for the user.
In general, those of us at hardware companies like to mint lots of
Kconfig options. Folks like Nikolay at the distros have to deal with
fallout from the piles of Kconfig options.
I tend to be pretty deferential to the distro guys on matters like this.
I haven't heard anything even remotely compelling that we need a
user-visible Kconfig option for this.
next prev parent reply other threads:[~2025-06-10 15:03 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-23 9:52 [RFC PATCH 00/20] TD-Preserving updates Chao Gao
2025-05-23 9:52 ` [RFC PATCH 01/20] x86/virt/tdx: Print SEAMCALL leaf numbers in decimal Chao Gao
2025-06-02 23:44 ` Huang, Kai
2025-05-23 9:52 ` [RFC PATCH 02/20] x86/virt/tdx: Prepare to support P-SEAMLDR SEAMCALLs Chao Gao
2025-06-04 12:22 ` Huang, Kai
2025-06-04 13:14 ` Chao Gao
2025-06-05 0:14 ` Huang, Kai
2025-05-23 9:52 ` [RFC PATCH 03/20] x86/virt/seamldr: Introduce a wrapper for " Chao Gao
2025-06-03 11:22 ` Nikolay Borisov
2025-06-09 7:53 ` Chao Gao
2025-06-09 8:02 ` Nikolay Borisov
2025-06-10 1:03 ` Chao Gao
2025-06-10 6:52 ` Nikolay Borisov
2025-06-10 15:02 ` Dave Hansen [this message]
2025-07-11 13:59 ` Sean Christopherson
2025-07-14 9:21 ` Chao Gao
2025-05-23 9:52 ` [RFC PATCH 04/20] x86/virt/tdx: Introduce a "tdx" subsystem and "tsm" device Chao Gao
2025-06-02 23:44 ` Huang, Kai
2025-06-05 8:34 ` Chao Gao
2025-07-31 20:17 ` dan.j.williams
2025-05-23 9:52 ` [RFC PATCH 05/20] x86/virt/tdx: Export tdx module attributes via sysfs Chao Gao
2025-06-02 23:49 ` Huang, Kai
2025-06-10 1:37 ` Chao Gao
2025-06-11 2:09 ` Huang, Kai
2025-06-11 7:45 ` Chao Gao
2025-05-23 9:52 ` [RFC PATCH 06/20] x86/virt/seamldr: Add a helper to read P-SEAMLDR information Chao Gao
2025-05-23 9:52 ` [RFC PATCH 07/20] x86/virt/tdx: Expose SEAMLDR information via sysfs Chao Gao
2025-07-29 4:55 ` Xu Yilun
2025-07-29 10:00 ` Chao Gao
2025-07-31 21:01 ` dan.j.williams
2025-08-01 2:07 ` Xu Yilun
2025-08-01 15:24 ` dan.j.williams
2025-08-04 7:00 ` Xu Yilun
2025-08-05 0:17 ` dan.j.williams
2025-08-05 0:47 ` Sean Christopherson
2025-08-05 4:02 ` dan.j.williams
2025-08-05 13:49 ` Sean Christopherson
2025-08-06 16:33 ` dan.j.williams
2025-08-06 3:03 ` Xu Yilun
2025-05-23 9:52 ` [RFC PATCH 08/20] x86/virt/seamldr: Implement FW_UPLOAD sysfs ABI for TD-Preserving Updates Chao Gao
2025-06-16 22:55 ` Sagi Shahar
2025-06-17 7:55 ` Chao Gao
2025-05-23 9:52 ` [RFC PATCH 09/20] x86/virt/seamldr: Allocate and populate a module update request Chao Gao
2025-05-23 9:52 ` [RFC PATCH 10/20] x86/virt/seamldr: Introduce skeleton for TD-Preserving updates Chao Gao
2025-05-23 9:52 ` [RFC PATCH 11/20] x86/virt/seamldr: Abort updates if errors occurred midway Chao Gao
2025-06-03 12:04 ` Nikolay Borisov
2025-06-09 2:37 ` Chao Gao
2025-05-23 9:52 ` [RFC PATCH 12/20] x86/virt/seamldr: Shut down the current TDX module Chao Gao
2025-06-03 12:36 ` Nikolay Borisov
2025-06-09 2:10 ` Chao Gao
2025-05-23 9:52 ` [RFC PATCH 13/20] x86/virt/tdx: Reset software states after TDX module shutdown Chao Gao
2025-05-23 9:52 ` [RFC PATCH 14/20] x86/virt/seamldr: Install a new TDX module Chao Gao
2025-05-23 9:52 ` [RFC PATCH 15/20] x86/virt/seamldr: Handle TD-Preserving update failures Chao Gao
2025-05-23 9:52 ` [RFC PATCH 16/20] x86/virt/seamldr: Do TDX cpu init after updates Chao Gao
2025-05-23 9:52 ` [RFC PATCH 17/20] x86/virt/tdx: Establish contexts for the new module Chao Gao
2025-05-23 9:52 ` [RFC PATCH 18/20] x86/virt/tdx: Update tdx_sysinfo and check features post-update Chao Gao
2025-05-23 9:52 ` [RFC PATCH 19/20] x86/virt/seamldr: Verify availability of slots for TD-Preserving updates Chao Gao
2025-05-23 9:52 ` [RFC PATCH 20/20] x86/virt/seamldr: Enable TD-Preserving Updates Chao Gao
2025-06-11 19:56 ` [RFC PATCH 00/20] TD-Preserving updates Sagi Shahar
2025-07-11 8:04 ` Chao Gao
2025-07-11 14:06 ` Sean Christopherson
2025-07-14 10:26 ` Chao Gao
2025-07-15 0:21 ` Paul E. McKenney
2025-07-16 7:30 ` Chao Gao
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