linux-coco.lists.linux.dev archive mirror
 help / color / mirror / Atom feed
From: Tim Merrifield <tim.merrifield@broadcom.com>
To: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
	Xin Li <xin3.li@intel.com>, Ard Biesheuvel <ardb@kernel.org>,
	Kai Huang <kai.huang@intel.com>,
	Kevin Loughlin <kevinloughlin@google.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Rick Edgecombe <rick.p.edgecombe@intel.com>,
	Kees Cook <kees@kernel.org>, Mike Rapoport <rppt@kernel.org>,
	Brian Gerst <brgerst@gmail.com>,
	linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
	Ajay Kaher <ajay.kaher@broadcom.com>,
	Alexey Makhalov <alexey.makhalov@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	virtualization@lists.linux.dev, alex.james@broadcom.com,
	doug.covelli@broadcom.com, jeffrey.sheldon@broadcom.com
Subject: Re: [PATCH 1/2] x86/tdx: Add prctl to allow userlevel TDX hypercalls
Date: Mon, 22 Jul 2024 22:04:40 -0700	[thread overview]
Message-ID: <20240723050431.GA10164@prme-hs2-i1009> (raw)
In-Reply-To: <wufxrry6smwk25qmsajabx6vgx4vgsrbvtmun2zw4fxz3lo4b4@nfpkscueapt6>


Thanks for the review, Kirill.

On Mon, Jul 08, 2024 at 03:19:54PM +0300, Kirill A . Shutemov wrote:
> Hm. Per-thread flag is odd. I think it should be per-process.

This is the only point I might need some clarification on. I agree
there doesn't seem to be much value in allowing per-thread control,
but I don't see any precedence for setting per-process flags through
arch_prctl or similar interfaces. Am I missing something?

  reply	other threads:[~2024-07-23  5:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-03 23:35 [PATCH 0/2] Support userspace hypercalls for TDX Tim Merrifield
2024-07-03 23:36 ` [PATCH 1/2] x86/tdx: Add prctl to allow userlevel TDX hypercalls Tim Merrifield
2024-07-08 12:19   ` Kirill A . Shutemov
2024-07-23  5:04     ` Tim Merrifield [this message]
2024-07-23  9:10       ` Kirill A . Shutemov
2024-07-03 23:36 ` [PATCH 2/2] x86/vmware: VMware support for TDX userspace hypercalls Tim Merrifield
2024-07-08 12:23   ` Kirill A . Shutemov
2024-07-04  0:18 ` [PATCH 0/2] Support userspace hypercalls for TDX Dave Hansen
2024-07-05 16:04   ` Tim Merrifield
2024-07-04 13:05 ` Peter Zijlstra
2024-07-05 18:55   ` Tim Merrifield

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=20240723050431.GA10164@prme-hs2-i1009 \
    --to=tim.merrifield@broadcom.com \
    --cc=ajay.kaher@broadcom.com \
    --cc=alex.james@broadcom.com \
    --cc=alexey.makhalov@broadcom.com \
    --cc=ardb@kernel.org \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=bp@alien8.de \
    --cc=brgerst@gmail.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=doug.covelli@broadcom.com \
    --cc=hpa@zytor.com \
    --cc=jeffrey.sheldon@broadcom.com \
    --cc=kai.huang@intel.com \
    --cc=kees@kernel.org \
    --cc=kevinloughlin@google.com \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-coco@lists.linux.dev \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=rick.p.edgecombe@intel.com \
    --cc=rppt@kernel.org \
    --cc=tglx@linutronix.de \
    --cc=tzimmermann@suse.de \
    --cc=virtualization@lists.linux.dev \
    --cc=x86@kernel.org \
    --cc=xin3.li@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;
as well as URLs for NNTP newsgroup(s).