From: "André Almeida" <andrealmeid@igalia.com>
To: Wake Liu <wakel@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Darren Hart <dvhart@infradead.org>,
Davidlohr Bueso <dave@stgolabs.net>,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
Shuah Khan <shuah@kernel.org>
Subject: Re: [PATCH] kselftest: futex: Fix memset with zero size warning
Date: Wed, 19 Nov 2025 12:31:42 -0300 [thread overview]
Message-ID: <b133c105-861f-4c56-b3ef-ea2ec5054e65@igalia.com> (raw)
In-Reply-To: <20251119030052.315502-1-wakel@google.com>
Hi Wake,
Em 19/11/2025 00:00, Wake Liu escreveu:
> The `FIXTURE(args)` macro defines an empty `struct _test_data_args`,
> leading to `sizeof(struct _test_data_args)` evaluating to 0. This
> caused a build error due to a compiler warning on a `memset` call
> with a zero size argument.
>
Do you mind sharing your compiler options? I can't reproduce this
warning here. I also noted that a few other selftests have this pattern
of defining an empty FIXTURE(), do they also produce warnings?
next prev parent reply other threads:[~2025-11-19 15:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-19 3:00 [PATCH] kselftest: futex: Fix memset with zero size warning Wake Liu
2025-11-19 15:31 ` André Almeida [this message]
2025-11-20 11:59 ` Thomas Gleixner
2025-12-24 8:41 ` [PATCH] kselftest/harness: Use helper to avoid zero-size memset warning Wake Liu
2025-12-31 20:31 ` Shuah Khan
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