From: Stephen Hemminger <stephen@networkplumber.org>
To: Scott Mitchell <scott.k.mitch1@gmail.com>
Cc: "Morten Brørup" <mb@smartsharesystems.com>, dev@dpdk.org
Subject: Re: [PATCH v3] net: optimize raw checksum computation
Date: Wed, 7 Jan 2026 16:09:04 -0800 [thread overview]
Message-ID: <20260107160904.0d4c74cd@phoenix.local> (raw)
In-Reply-To: <CAFn2buCtACWQZd_EY2Y_k0KS6OQN-8BQmSghtH1CMC7afONs+w@mail.gmail.com>
On Wed, 7 Jan 2026 17:28:41 -0500
Scott Mitchell <scott.k.mitch1@gmail.com> wrote:
> (sorry missed this in my last response). I tried this and a few other
> options (compound literal with each field explicitly initialized,
> zero/empty initializer) the only code solution that removed the
> warning was an explicit memset(0), but this also modified the
> assembly. Safest option is to use memset (with some runtime cost) and
> a fallback is to add the zero initializer "just in case the
> compiler/target-architecture requires it" and add `#pragma GCC
> diagnostic ignored "-Wmaybe-uninitialized"` for now to suppress
> warning. I'll push the second option in my next patch and we can
> discuss/adjust accordingly.
No pragma's please. The compiler is usually right.
prev parent reply other threads:[~2026-01-08 0:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-07 17:04 [PATCH v3] net: optimize raw checksum computation scott.k.mitch1
2026-01-07 17:56 ` Morten Brørup
2026-01-07 22:06 ` Scott Mitchell
2026-01-07 22:28 ` Scott Mitchell
2026-01-08 0:09 ` Stephen Hemminger [this message]
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