From: Dave Hansen <dave.hansen@intel.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-coco@lists.linux.dev" <linux-coco@lists.linux.dev>,
"Huang, Kai" <kai.huang@intel.com>,
"Zhao, Yan Y" <yan.y.zhao@intel.com>,
"tony.lindgren@linux.intel.com" <tony.lindgren@linux.intel.com>,
"Wu, Binbin" <binbin.wu@intel.com>,
"kas@kernel.org" <kas@kernel.org>,
"seanjc@google.com" <seanjc@google.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"nik.borisov@suse.com" <nik.borisov@suse.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"tglx@kernel.org" <tglx@kernel.org>,
"Annapurve, Vishal" <vannapurve@google.com>,
"Mehta, Sohil" <sohil.mehta@intel.com>,
"bp@alien8.de" <bp@alien8.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Gao, Chao" <chao.gao@intel.com>,
"x86@kernel.org" <x86@kernel.org>
Cc: "binbin.wu@linux.intel.com" <binbin.wu@linux.intel.com>,
"hongyu.ning@linux.intel.com" <hongyu.ning@linux.intel.com>
Subject: Re: [PATCH v10 10/11] Documentation/x86: Add documentation for TDX's Dynamic PAMT
Date: Thu, 3 Sep 2026 13:45:32 -0700 [thread overview]
Message-ID: <0af7543d-e415-4c1d-88b1-376aea063365@intel.com> (raw)
In-Reply-To: <94ebff5d4a229608ad89aa40254f02709b16d184.camel@intel.com>
On 9/3/26 13:39, Edgecombe, Rick P wrote:
> This ugly hack might be a bit better to get the same behavior? Basically do the
> check TDX module wanted VMMs to do, but in a more convenient way for
> the kernel:https://lore.kernel.org/lkml/20260526023515.288829-11-
> rick.p.edgecombe@intel.com/
OK, so no good options for kernel fixes. That leaves us with:
1. The TDX module gets fixed
2. Users learn not to set incompatible configs
Neither one of which is the kernel's problem, honestly. There's only so
much we can do.
next prev parent reply other threads:[~2026-09-03 20:45 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 1:51 [PATCH v10 00/11] Dynamic PAMT Rick Edgecombe
2026-09-03 1:51 ` [PATCH v10 01/11] x86/virt/tdx: Simplify PAMT layout calculation Rick Edgecombe
2026-09-03 1:51 ` [PATCH v10 02/11] x86/virt/tdx: Allocate page bitmap for Dynamic PAMT Rick Edgecombe
2026-09-03 1:51 ` [PATCH v10 03/11] x86/virt/tdx: Add __tdx_pamt_get/put() helpers Rick Edgecombe
2026-09-03 15:28 ` Dave Hansen
2026-09-03 1:51 ` [PATCH v10 04/11] x86/virt/tdx: Allocate refcounts for Dynamic PAMT memory Rick Edgecombe
2026-09-03 15:30 ` Dave Hansen
2026-09-03 18:33 ` Edgecombe, Rick P
2026-09-03 1:51 ` [PATCH v10 05/11] x86/virt/tdx: Handle multiple callers in tdx_pamt_get/put() Rick Edgecombe
2026-09-03 2:03 ` sashiko-bot
2026-09-03 23:16 ` Edgecombe, Rick P
2026-09-03 1:51 ` [PATCH v10 06/11] KVM: TDX: Allocate PAMT memory for TD and vCPU control structures Rick Edgecombe
2026-09-03 1:51 ` [PATCH v10 07/11] x86/virt/tdx: Add APIs to support Dynamic PAMT ops from KVM's fault path Rick Edgecombe
2026-09-03 1:51 ` [PATCH v10 08/11] KVM: TDX: Get/put PAMT pages when (un)mapping private memory Rick Edgecombe
2026-09-03 2:14 ` sashiko-bot
2026-09-03 22:44 ` Edgecombe, Rick P
2026-09-03 1:51 ` [PATCH v10 09/11] x86/virt/tdx: Enable Dynamic PAMT Rick Edgecombe
2026-09-03 15:38 ` Dave Hansen
2026-09-03 1:51 ` [PATCH v10 10/11] Documentation/x86: Add documentation for TDX's " Rick Edgecombe
2026-09-03 15:47 ` Dave Hansen
2026-09-03 19:31 ` Edgecombe, Rick P
2026-09-03 19:36 ` Dave Hansen
2026-09-03 20:39 ` Edgecombe, Rick P
2026-09-03 20:45 ` Dave Hansen [this message]
2026-09-03 1:51 ` [PATCH v10 11/11] x86/virt/tdx: Optimize tdx_pamt_get/put() Rick Edgecombe
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=0af7543d-e415-4c1d-88b1-376aea063365@intel.com \
--to=dave.hansen@intel.com \
--cc=binbin.wu@intel.com \
--cc=binbin.wu@linux.intel.com \
--cc=bp@alien8.de \
--cc=chao.gao@intel.com \
--cc=hongyu.ning@linux.intel.com \
--cc=hpa@zytor.com \
--cc=kai.huang@intel.com \
--cc=kas@kernel.org \
--cc=kvm@vger.kernel.org \
--cc=linux-coco@lists.linux.dev \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=nik.borisov@suse.com \
--cc=pbonzini@redhat.com \
--cc=rick.p.edgecombe@intel.com \
--cc=seanjc@google.com \
--cc=sohil.mehta@intel.com \
--cc=tglx@kernel.org \
--cc=tony.lindgren@linux.intel.com \
--cc=vannapurve@google.com \
--cc=x86@kernel.org \
--cc=yan.y.zhao@intel.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