linux-kernel - Re: [PATCH net-next 2/4] vmxnet3: add latency measurement support in vmxnet3

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Mon, 20 May 2024 21:06:10 +0100
From: Simon Horman <horms@...nel.org>
To: Ronak Doshi <ronak.doshi@...adcom.com>
Cc: netdev@...r.kernel.org,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 2/4] vmxnet3: add latency measurement support in
 vmxnet3

On Mon, May 20, 2024 at 12:19:43PM -0700, Ronak Doshi wrote:
> > On Wed, May 15, 2024 at 3:46 AM Simon Horman <horms@...nel.org> wrote:
> > If not, I would suggest making this feature optional and only compiled
> > for x86. That might mean factoring it out into a different file. I'm
> > unsure.
> I can move the rdpmc code under #if defined(__i386__) ||
> defined(__x86_64__) so that it will be no-op for other architectures.
> Will that be fine?

Hi Ronak,

I think that it would be an good improvement, as long as the result is a
working driver for other architectures.

Perhaps #ifdef CONFIG_X86 can be used as the guard.
I also would suggest using rdpmc helpers if possible.