From: "Huang, Kai" <kai.huang@intel.com>
To: "sathyanarayanan.kuppuswamy@linux.intel.com"
<sathyanarayanan.kuppuswamy@linux.intel.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"kirill.shutemov@linux.intel.com"
<kirill.shutemov@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "Hansen, Dave" <dave.hansen@intel.com>, "Christopherson,,
Sean" <seanjc@google.com>, "bp@alien8.de" <bp@alien8.de>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"Yamahata, Isaku" <isaku.yamahata@intel.com>,
"n.borisov.lkml@gmail.com" <n.borisov.lkml@gmail.com>
Subject: Re: [PATCH v3 03/12] x86/tdx: Make macros of TDCALLs consistent with the spec
Date: Fri, 28 Jul 2023 02:45:11 +0000 [thread overview]
Message-ID: <2c5eb48ac9d2ae84dc0010bb0934486d09274724.camel@intel.com> (raw)
In-Reply-To: <b9fbbbb7-f855-5744-d6ad-c650b10ce135@linux.intel.com>
On Thu, 2023-07-27 at 18:54 -0700, Sathyanarayanan Kuppuswamy wrote:
>
> On 7/26/23 4:25 AM, Kai Huang wrote:
> > The TDX spec names all TDCALLs with prefix "TDG". Currently, the kernel
> > doesn't follow such convention for the macros of those TDCALLs but uses
> > prefix "TDX_" for all of them. Although it's arguable whether the TDX
> > spec names those TDCALLs properly, it's better for the kernel to follow
> > the spec when naming those macros.
> >
> > Change all macros of TDCALLs to make them consistent with the spec. As
> > a bonus, they get distinguished easily from the host-side SEAMCALLs,
> > which all have prefix "TDH".
> >
> > No functional change intended.
> >
>
> When upstreaming the TDX guest patches, there was a discussion about using
> TDG vs TDX. Final agreement is to use TDX_ prefix. I think it makes sense
> to align with the spec, but it is up to the maintainer.
>
> What about the function name prefix? Are you planning to change them to tdg_*?
I changed to __tdcall() in the next patch.
>
> Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Thanks.
next prev parent reply other threads:[~2023-07-28 2:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-26 11:25 [PATCH v3 00/12] Unify TDCALL/SEAMCALL and TDVMCALL assembly Kai Huang
2023-07-26 11:25 ` [PATCH v3 01/12] x86/tdx: Zero out the missing RSI in TDX_HYPERCALL macro Kai Huang
2023-07-27 12:48 ` kirill.shutemov
2023-07-26 11:25 ` [PATCH v3 02/12] x86/tdx: Skip saving output regs when SEAMCALL fails with VMFailInvalid Kai Huang
2023-07-27 12:52 ` kirill.shutemov
2023-07-27 22:55 ` Huang, Kai
2023-07-26 11:25 ` [PATCH v3 03/12] x86/tdx: Make macros of TDCALLs consistent with the spec Kai Huang
2023-07-27 13:00 ` kirill.shutemov
2023-07-28 1:54 ` Sathyanarayanan Kuppuswamy
2023-07-28 2:45 ` Huang, Kai [this message]
2023-07-26 11:25 ` [PATCH v3 04/12] x86/tdx: Rename __tdx_module_call() to __tdcall() Kai Huang
2023-07-27 13:02 ` kirill.shutemov
2023-07-28 15:33 ` Sathyanarayanan Kuppuswamy
2023-07-26 11:25 ` [PATCH v3 05/12] x86/tdx: Pass TDCALL/SEAMCALL input/output registers via a structure Kai Huang
2023-07-27 16:36 ` kirill.shutemov
2023-07-27 22:54 ` Huang, Kai
2023-08-03 10:58 ` kirill.shutemov
2023-08-03 11:35 ` Huang, Kai
2023-08-03 11:47 ` kirill.shutemov
2023-07-26 11:25 ` [PATCH v3 06/12] x86/tdx: Extend TDX_MODULE_CALL to support more TDCALL/SEAMCALL leafs Kai Huang
2023-07-27 16:50 ` kirill.shutemov
2023-07-27 22:58 ` Huang, Kai
2023-07-26 11:25 ` [PATCH v3 07/12] x86/tdx: Make TDX_HYPERCALL asm similar to TDX_MODULE_CALL Kai Huang
2023-07-27 17:10 ` kirill.shutemov
2023-07-27 23:05 ` Huang, Kai
2023-08-03 11:45 ` kirill.shutemov
2023-08-03 11:56 ` Huang, Kai
2023-08-03 12:12 ` kirill.shutemov
2023-08-03 12:41 ` Huang, Kai
2023-08-03 13:47 ` kirill.shutemov
2023-08-03 22:41 ` Huang, Kai
2023-07-26 11:25 ` [PATCH v3 08/12] x86/tdx: Reimplement __tdx_hypercall() using TDX_MODULE_CALL asm Kai Huang
2023-08-06 11:25 ` kirill.shutemov
2023-07-26 11:25 ` [PATCH v3 09/12] x86/tdx: Remove 'struct tdx_hypercall_args' Kai Huang
2023-08-06 11:29 ` kirill.shutemov
2023-07-26 11:25 ` [PATCH v3 10/12] x86/virt/tdx: Wire up basic SEAMCALL functions Kai Huang
2023-08-06 11:36 ` kirill.shutemov
2023-08-07 1:40 ` Huang, Kai
2023-08-07 14:30 ` Sean Christopherson
2023-08-07 23:51 ` Huang, Kai
2023-07-26 11:25 ` [PATCH v3 11/12] x86/virt/tdx: Allow SEAMCALL to handle #UD and #GP Kai Huang
2023-08-06 11:41 ` kirill.shutemov
2023-08-07 2:14 ` Huang, Kai
2023-08-07 9:53 ` kirill.shutemov
2023-08-07 12:41 ` Huang, Kai
2023-08-07 14:27 ` kirill.shutemov
2023-08-07 14:46 ` Dave Hansen
2023-07-26 11:25 ` [PATCH v3 12/12] x86/virt/tdx: Adjust 'struct tdx_module_args' to use x86 "register index" layout Kai Huang
2023-08-02 21:32 ` Isaku Yamahata
2023-08-02 23:20 ` Huang, Kai
2023-08-02 21:39 ` Isaku Yamahata
2023-08-06 11:50 ` kirill.shutemov
2023-08-07 2:16 ` Huang, Kai
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=2c5eb48ac9d2ae84dc0010bb0934486d09274724.camel@intel.com \
--to=kai.huang@intel.com \
--cc=bp@alien8.de \
--cc=dave.hansen@intel.com \
--cc=hpa@zytor.com \
--cc=isaku.yamahata@intel.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=n.borisov.lkml@gmail.com \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=sathyanarayanan.kuppuswamy@linux.intel.com \
--cc=seanjc@google.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/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
Powered by JetHome