From: Peter Fang <peter.fang@intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Kiryl Shutsemau <kas@kernel.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
"Kuppuswamy Sathyanarayanan"
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, <x86@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, <linux-kernel@vger.kernel.org>,
<linux-coco@lists.linux.dev>, <kvm@vger.kernel.org>,
Xiaoyao Li <xiaoyao.li@intel.com>,
Binbin Wu <binbin.wu@linux.intel.com>
Subject: Re: [PATCH v2 2/2] virt: tdx-guest: Allocate Quote buffer dynamically
Date: Tue, 21 Jul 2026 23:39:41 -0700 [thread overview]
Message-ID: <20260722063941.GH3178326@pedri> (raw)
In-Reply-To: <d88fe58e-5963-49a5-86a4-6a9779d06109@intel.com>
On Tue, Jul 21, 2026 at 06:48:24AM -0700, Dave Hansen wrote:
> On 7/20/26 23:49, Peter Fang wrote:
> ...
> >> This is all talking about post-quantum-crypto and all that fancy stuff.
> >>
> >> Isn't the important part here that the old TDX module ABI had static
> >> quote sizes and now they're dynamic? Now, the reason it changed is all
> >> the fancy stuff.
> >>
> >> But the ABI changed. Right?
> >
> > Ah yes... I should call out that the size of
> > /sys/kernel/config/tsm/report/$name/outblob will no longer be fixed.
> > I'll update this. Thanks.
>
> No. I mean the TDX Module ABI changed.
>
> That's why we need new kernel patches.
Ah sorry I misunderstood. I'll make that clear in the changelog. Thanks.
prev parent reply other threads:[~2026-07-22 6:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-17 21:43 [PATCH v2 0/2] tdx-guest: Make Quote buffer size dynamic Peter Fang
2026-07-17 21:43 ` [PATCH v2 1/2] x86/tdx: Add helper to query maximum TD Quote size Peter Fang
2026-07-22 13:21 ` Binbin Wu
2026-07-17 21:43 ` [PATCH v2 2/2] virt: tdx-guest: Allocate Quote buffer dynamically Peter Fang
2026-07-20 13:35 ` Dave Hansen
2026-07-21 6:49 ` Peter Fang
2026-07-21 13:48 ` Dave Hansen
2026-07-21 16:43 ` Edgecombe, Rick P
2026-07-22 7:36 ` Peter Fang
2026-07-22 12:00 ` Kiryl Shutsemau
2026-07-23 8:19 ` Peter Fang
2026-07-22 6:39 ` Peter Fang [this message]
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