linux-kernel - Re: [PATCH net-next v2 4/4] selftests: drv-net: Test that NAPI ID is non-zero

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Message-ID: <aAE1DkYpvb1yUp5_@LQ3V64L9R2>
Date: Thu, 17 Apr 2025 10:06:22 -0700
From: Joe Damato <jdamato@...tly.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>,
	"open list:XDP (eXpress Data Path):Keyword:(?:b|_)xdp(?:b|_)" <bpf@...r.kernel.org>
Subject: Re: [PATCH net-next v2 4/4] selftests: drv-net: Test that NAPI ID is
 non-zero

On Thu, Apr 17, 2025 at 09:53:10AM -0700, Jakub Kicinski wrote:
> On Thu, 17 Apr 2025 09:43:23 -0700 Joe Damato wrote:
> > I think the main outstanding thing is Paolo's feedback which maybe
> > (?) is due to a Python version difference? If you have any guidance
> > on how to proceed on that, I'd appreciate it [1].
> 
> yes, it's a Python version, I made the same mistake in the past.
> Older Pythons terminate an fstring too early.
> Just switch from ' to " inside the fstring, like you would in bash
> if you wanted to quote a quote character. The two are functionally
> equivalent.

OK thanks for the details. Sorry that I am learning Python via
netdev ;)

I did this so it matches the style of the other fstring a few lines
below:

-    listen_cmd = f'{bin_remote} {cfg.addr_v['4']} {port}'
+    listen_cmd = f"{bin_remote} {cfg.addr_v['4']} {port}"

Test works and passes for me on my system, so I'll send the v3
tonight when I've hit 24 hrs.

Thanks!