public inbox for linux-coco@lists.linux.dev
 help / color / mirror / Atom feed
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-coco@lists.linux.dev" <linux-coco@lists.linux.dev>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Gao, Chao" <chao.gao@intel.com>
Cc: "Li, Xiaoyao" <xiaoyao.li@intel.com>,
	"Huang, Kai" <kai.huang@intel.com>,
	"Zhao, Yan Y" <yan.y.zhao@intel.com>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"kas@kernel.org" <kas@kernel.org>,
	"seanjc@google.com" <seanjc@google.com>,
	"binbin.wu@linux.intel.com" <binbin.wu@linux.intel.com>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"Chatre, Reinette" <reinette.chatre@intel.com>,
	"Verma, Vishal L" <vishal.l.verma@intel.com>,
	"nik.borisov@suse.com" <nik.borisov@suse.com>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"Weiny, Ira" <ira.weiny@intel.com>,
	"tony.lindgren@linux.intel.com" <tony.lindgren@linux.intel.com>,
	"Annapurve, Vishal" <vannapurve@google.com>,
	"sagis@google.com" <sagis@google.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"tglx@kernel.org" <tglx@kernel.org>,
	"paulmck@kernel.org" <paulmck@kernel.org>,
	"bp@alien8.de" <bp@alien8.de>,
	"yilun.xu@linux.intel.com" <yilun.xu@linux.intel.com>,
	"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
	"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH v7 15/22] x86/virt/tdx: Restore TDX module state
Date: Sat, 11 Apr 2026 02:06:23 +0000	[thread overview]
Message-ID: <900333d28647f21da461fadf31edf2d3c8d1f991.camel@intel.com> (raw)
In-Reply-To: <adTzamrJOOy+fGyF@intel.com>

On Tue, 2026-04-07 at 20:07 +0800, Chao Gao wrote:
> > +int tdx_module_run_update(void)
> > +{
> > +	struct tdx_module_args args = {};
> > +	int ret;
> > +
> > +	ret = seamcall_prerr(TDH_SYS_UPDATE, &args);
> > +	if (ret) {
> > +		pr_err("update failed (%d)\n", ret);
> > +		tdx_module_status = TDX_MODULE_ERROR;
> > +		return ret;
> > +	}
> 
> The pr_err() isn't needed as seamcall_prerr() will emit a
> message. and no need to set tdx_module_status to ERROR on
> failure as it is already done during shutdown.
> 
> so, this can be simplified to:
> 
> 	ret = seamcall_prerr(TDH_SYS_UPDATE, &args);
> 	if (ret)
> 		return ret;

Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>

  reply	other threads:[~2026-04-11  2:06 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-31 12:41 [PATCH v7 00/22] Runtime TDX module update support Chao Gao
2026-03-31 12:41 ` [PATCH v7 01/22] x86/virt/tdx: Move low level SEAMCALL helpers out of <asm/tdx.h> Chao Gao
2026-04-10 23:42   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 02/22] coco/tdx-host: Introduce a "tdx_host" device Chao Gao
2026-03-31 12:41 ` [PATCH v7 03/22] coco/tdx-host: Expose TDX module version Chao Gao
2026-03-31 12:41 ` [PATCH v7 04/22] x86/virt/seamldr: Introduce a wrapper for P-SEAMLDR SEAMCALLs Chao Gao
2026-04-10 23:58   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 05/22] x86/virt/seamldr: Add a helper to retrieve P-SEAMLDR information Chao Gao
2026-04-11  0:13   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 06/22] coco/tdx-host: Expose P-SEAMLDR information via sysfs Chao Gao
2026-03-31 14:58   ` Dave Hansen
2026-04-01  1:57     ` Chao Gao
2026-03-31 14:58   ` Dave Hansen
2026-04-01  2:25     ` Chao Gao
2026-03-31 12:41 ` [PATCH v7 07/22] coco/tdx-host: Implement firmware upload sysfs ABI for TDX module updates Chao Gao
2026-03-31 15:04   ` Dave Hansen
2026-04-01  3:10     ` Chao Gao
2026-03-31 15:11   ` Dave Hansen
2026-04-01  7:49     ` Chao Gao
2026-04-11  0:26   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 08/22] x86/virt/seamldr: Allocate and populate a module update request Chao Gao
2026-03-31 15:44   ` Dave Hansen
2026-04-01  8:27     ` Chao Gao
2026-04-11  0:33       ` Edgecombe, Rick P
2026-04-11  1:14   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 09/22] x86/virt/seamldr: Introduce skeleton for TDX module updates Chao Gao
2026-04-07 11:49   ` Chao Gao
2026-04-07 15:55     ` Dave Hansen
2026-04-11  1:23   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 10/22] x86/virt/seamldr: Abort updates if errors occurred midway Chao Gao
2026-04-11  1:26   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 11/22] x86/virt/seamldr: Shut down the current TDX module Chao Gao
2026-04-07 11:51   ` Chao Gao
2026-04-11  1:35   ` Edgecombe, Rick P
2026-04-11  1:36     ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 12/22] x86/virt/tdx: Reset software states during TDX module shutdown Chao Gao
2026-04-07 12:02   ` Chao Gao
2026-04-11  1:56   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 13/22] x86/virt/seamldr: Install a new TDX module Chao Gao
2026-04-11  2:01   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 14/22] x86/virt/seamldr: Do TDX per-CPU initialization after updates Chao Gao
2026-04-11  2:03   ` Edgecombe, Rick P
2026-03-31 12:41 ` [PATCH v7 15/22] x86/virt/tdx: Restore TDX module state Chao Gao
2026-04-07 12:07   ` Chao Gao
2026-04-11  2:06     ` Edgecombe, Rick P [this message]
2026-03-31 12:41 ` [PATCH v7 16/22] x86/virt/tdx: Update tdx_sysinfo and check features post-update Chao Gao
2026-04-07 12:15   ` Chao Gao
2026-04-07 15:53     ` Dave Hansen
2026-04-08 12:16       ` Chao Gao
2026-03-31 12:41 ` [PATCH v7 17/22] x86/virt/tdx: Avoid updates during update-sensitive operations Chao Gao
2026-04-06 22:29   ` Sean Christopherson
2026-03-31 12:41 ` [PATCH v7 18/22] coco/tdx-host: Don't expose P-SEAMLDR features on CPUs with erratum Chao Gao
2026-03-31 12:41 ` [PATCH v7 19/22] x86/virt/tdx: Enable TDX module runtime updates Chao Gao
2026-03-31 12:41 ` [PATCH v7 20/22] coco/tdx-host: Document TDX module update compatibility criteria Chao Gao
2026-03-31 12:41 ` [PATCH v7 21/22] x86/virt/tdx: Document TDX module update Chao Gao
2026-03-31 12:41 ` [PATCH v7 22/22] x86/virt/seamldr: Log TDX module update failures Chao Gao

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=900333d28647f21da461fadf31edf2d3c8d1f991.camel@intel.com \
    --to=rick.p.edgecombe@intel.com \
    --cc=binbin.wu@linux.intel.com \
    --cc=bp@alien8.de \
    --cc=chao.gao@intel.com \
    --cc=dan.j.williams@intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=hpa@zytor.com \
    --cc=ira.weiny@intel.com \
    --cc=kai.huang@intel.com \
    --cc=kas@kernel.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-coco@lists.linux.dev \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=nik.borisov@suse.com \
    --cc=paulmck@kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=reinette.chatre@intel.com \
    --cc=sagis@google.com \
    --cc=seanjc@google.com \
    --cc=tglx@kernel.org \
    --cc=tony.lindgren@linux.intel.com \
    --cc=vannapurve@google.com \
    --cc=vishal.l.verma@intel.com \
    --cc=x86@kernel.org \
    --cc=xiaoyao.li@intel.com \
    --cc=yan.y.zhao@intel.com \
    --cc=yilun.xu@linux.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