mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Logan Gunthorpe <logang@deltatee.com>
To: "Popov, Pavel E" <pavel.e.popov@intel.com>,
	Bjorn Helgaas <helgaas@kernel.org>,
	Leon Romanovsky <leon@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	Lukas Wunner <lukas@wunner.de>, Jim Chow <jim.chow@broadcom.com>,
	Radu Rugina <radu.rugina@broadcom.com>,
	Alexey Makhalov <alexey.makhalov@broadcom.com>,
	Wei Liu <wei.liu@kernel.org>,
	Michael Kelley <mhklinux@outlook.com>,
	Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>,
	"bcm-kernel-feedback-list@broadcom.com"
	<bcm-kernel-feedback-list@broadcom.com>,
	"virtualization@lists.linux.dev" <virtualization@lists.linux.dev>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] PCI/P2PDMA: Allow P2PDMA on Intel Xeon server CPUs
Date: Tue, 20 Oct 2026 10:54:39 -0600	[thread overview]
Message-ID: <db26b21b-8416-4b11-aed8-3829ed5a6cfa@deltatee.com> (raw)
In-Reply-To: <LV2PR11MB6070444E927B9AA891B8180FB2672@LV2PR11MB6070.namprd11.prod.outlook.com>



On 2026-10-20 10:47, Popov, Pavel E wrote:
> If preferred, we could use for cpu_supports_p2pdma() the pattern Logan
> suggested for hypervisor_supports_p2pdma() in v1: the whole function
> under #ifdef CONFIG_X86 with a stub returning false for !CONFIG_X86.
> The Intel CPU list then moves into the same #ifdef block, which saves
> one #ifdef, at the cost of also touching the existing AMD part.

I personally would prefer cleaning up the #ifdef style but that's an
issue that's already in the code. I don't feel the need to make it
conditional on my Reviewed-by. If you are able to clean that up, I would
appreciate it.

Thanks,

Logan

  reply	other threads:[~2026-10-20 16:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-20 15:13 Pavel Popov
2026-10-20 16:08 ` Logan Gunthorpe
2026-10-20 16:14 ` Leon Romanovsky
2026-10-20 16:37   ` Bjorn Helgaas
2026-10-20 16:47     ` Popov, Pavel E
2026-10-20 16:54       ` Logan Gunthorpe [this message]
2026-10-20 17:16         ` Leon Romanovsky
2026-10-20 17:19     ` Leon Romanovsky

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=db26b21b-8416-4b11-aed8-3829ed5a6cfa@deltatee.com \
    --to=logang@deltatee.com \
    --cc=alexey.makhalov@broadcom.com \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=bhelgaas@google.com \
    --cc=helgaas@kernel.org \
    --cc=jim.chow@broadcom.com \
    --cc=leon@kernel.org \
    --cc=linux-hyperv@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lukas@wunner.de \
    --cc=mhklinux@outlook.com \
    --cc=nathan.d.ciobanu@linux.intel.com \
    --cc=pavel.e.popov@intel.com \
    --cc=radu.rugina@broadcom.com \
    --cc=virtualization@lists.linux.dev \
    --cc=wei.liu@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
all inboxes | Powered by JetHome®