From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Stephen Hemminger" <stephen@networkplumber.org>, <dev@dpdk.org>
Subject: RE: [RFC 00/11] Fix dev_ops dereferences
Date: Mon, 17 Feb 2025 21:24:04 +0100 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35E9FA48@smartserver.smartshare.dk> (raw)
In-Reply-To: <20250217185743.169778-1-stephen@networkplumber.org>
> From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> Sent: Monday, 17 February 2025 19.54
>
> A common pattern in DPDK internals is to have an array of function
> pointers. When using these pointers an unnecessary derefence is done;
> this is allowed in C because of a historical quirk but unnecessary.
>
> The PVS Studio checker flags these as:
> https://pvs-studio.com/en/docs/warnings/v516/
>
> This leads to a large number of warnings marked as High severity.
> This patchset simplifies the source and gets rid of these warnings.
>
> It should have no impact on the resulting binary.
+1 to this RFC.
The code becomes much cleaner to read.
next prev parent reply other threads:[~2025-02-17 20:24 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-17 18:53 Stephen Hemminger
2025-02-17 18:54 ` [RFC 01/11] ethdev: remove unnecessary deref on function pointers Stephen Hemminger
2025-02-17 18:54 ` [RFC 02/11] eventdev: remover " Stephen Hemminger
2025-02-17 18:54 ` [RFC 03/11] net/ixgbe: remove unnecessary dereference Stephen Hemminger
2025-02-17 18:54 ` [RFC 04/11] net/memif: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-17 18:54 ` [RFC 05/11] cryptodev: " Stephen Hemminger
2025-02-17 18:54 ` [RFC 06/11] crypto/scheduler: remove unnecessary dereference Stephen Hemminger
2025-02-17 18:54 ` [RFC 07/11] compressdev: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-17 18:54 ` [RFC 08/11] dmadev: " Stephen Hemminger
2025-02-17 18:54 ` [RFC 09/11] rawdev: " Stephen Hemminger
2025-02-17 18:54 ` [RFC 10/11] mldev: " Stephen Hemminger
2025-02-17 18:54 ` [RFC 11/11] regexdev: " Stephen Hemminger
2025-02-17 20:24 ` Morten Brørup [this message]
2025-02-18 3:01 ` [RFC 00/11] Fix dev_ops dereferences Stephen Hemminger
2025-02-18 8:47 ` Bruce Richardson
2025-02-20 2:32 ` [PATCH v2 00/14] Remove unnecessary function pointer deref Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 01/14] ethdev: remove unnecessary deref on function pointers Stephen Hemminger
2025-02-20 7:09 ` Andrew Rybchenko
2025-02-20 16:09 ` Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 02/14] eventdev: remover " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 03/14] net/bonding: remove unnecessary deref of " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 04/14] net/ixgbe: remove unnecessary dereference Stephen Hemminger
2025-02-20 9:17 ` Bruce Richardson
2025-02-20 2:32 ` [PATCH v2 05/14] net/ipn3ke: " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 06/14] net/memif: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 07/14] cryptodev: " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 08/14] crypto/scheduler: remove unnecessary dereference Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 09/14] compressdev: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 10/14] dmadev: " Stephen Hemminger
2025-02-20 3:00 ` fengchengwen
2025-02-20 2:32 ` [PATCH v2 11/14] rawdev: " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 12/14] mldev: " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 13/14] regexdev: " Stephen Hemminger
2025-02-20 2:32 ` [PATCH v2 14/14] security: remove unnecessary dereference Stephen Hemminger
2025-02-20 8:05 ` [PATCH v2 00/14] Remove unnecessary function pointer deref Morten Brørup
2025-02-20 9:17 ` Bruce Richardson
2025-02-20 16:55 ` [PATCH v3 " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 01/14] ethdev: remove unnecessary deref on function pointers Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 02/14] eventdev: remover " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 03/14] net/bonding: remove unnecessary deref of " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 04/14] net/ixgbe: remove unnecessary dereference Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 05/14] net/ipn3ke: " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 06/14] net/memif: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 07/14] cryptodev: " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 08/14] crypto/scheduler: remove unnecessary dereference Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 09/14] compressdev: remove unnecessary deref of function pointers Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 10/14] dmadev: " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 11/14] rawdev: " Stephen Hemminger
2025-02-21 9:12 ` Hemant Agrawal
2025-02-20 16:55 ` [PATCH v3 12/14] mldev: " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 13/14] regexdev: " Stephen Hemminger
2025-02-20 16:55 ` [PATCH v3 14/14] security: remove unnecessary dereference Stephen Hemminger
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