linux-kernel - Re: [PATCH v4 2/2] cgroup: selftests: Add tests for freezer time

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Message-ID: <48d7be9c-6645-4426-9415-10ea5bc780f0@huaweicloud.com>
Date: Sat, 23 Aug 2025 09:47:03 +0800
From: Chen Ridong <chenridong@...weicloud.com>
To: Tiffany Yang <ynaffit@...gle.com>
Cc: linux-kernel@...r.kernel.org, John Stultz <jstultz@...gle.com>,
 Thomas Gleixner <tglx@...utronix.de>, Stephen Boyd <sboyd@...nel.org>,
 Anna-Maria Behnsen <anna-maria@...utronix.de>,
 Frederic Weisbecker <frederic@...nel.org>, Tejun Heo <tj@...nel.org>,
 Johannes Weiner <hannes@...xchg.org>, Michal Koutný
 <mkoutny@...e.com>, "Rafael J. Wysocki" <rafael@...nel.org>,
 Pavel Machek <pavel@...nel.org>, Roman Gushchin <roman.gushchin@...ux.dev>,
 Chen Ridong <chenridong@...wei.com>, kernel-team@...roid.com,
 Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>,
 cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 2/2] cgroup: selftests: Add tests for freezer time

On 2025/8/23 2:50, Tiffany Yang wrote:
>> Perhaps we can simply use if (curr != 0) for the condition?
> 
> 
> Here we have 2 separate conditions because in the case where curr < 0,
> it means that the interface is not available and we should skip this
> test instead of failing it. In the case where curr > 0, the feature is
> not working correctly, and the test should fail as a result.

Thank you for your explanation.
See now.

-- 
Best regards,
Ridong