From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Morten Brørup" <mb@smartsharesystems.com>,
"David Marchand" <david.marchand@redhat.com>,
thomas@monjalon.net
Cc: <dev@dpdk.org>, <roretzla@linux.microsoft.com>,
<rmody@marvell.com>, <timothy.mcdaniel@intel.com>,
<matan@nvidia.com>, <viacheslavo@nvidia.com>,
<ruifeng.wang@arm.com>, <zhoumin@loongson.cn>,
<drc@linux.vnet.ibm.com>, <kda@semihalf.com>,
<bruce.richardson@intel.com>, <konstantin.v.ananyev@yandex.ru>
Subject: RE: [PATCH v5 1/4] eal: add nonnull and access function attributes
Date: Mon, 16 Jan 2023 13:49:32 +0100 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D87674@smartserver.smartshare.dk> (raw)
In-Reply-To: <CAJFAV8yZftmPjkosGuLB+Yp8hiFVezwVLKqJFnybhA5BVoxEzw@mail.gmail.com>
> From: Morten Brørup
> Sent: Monday, 9 January 2023 13.28
>
> > From: David Marchand [mailto:david.marchand@redhat.com]
> > Sent: Monday, 9 January 2023 12.22
> > attributes
> >
> > On Wed, Dec 28, 2022 at 4:10 PM Morten Brørup
> > <mb@smartsharesystems.com> wrote:
> > >
> > > Add "nonnull" function attribute to help the compiler detect a NULL
> > > pointer being passed to a function not accepting NULL pointers as
> an
> > > argument at build time.
> > >
> > > Add "access" function attribute to tell the compiler how a function
> > > accesses its pointer arguments.
> > >
> > > Add these attributes to the rte_memcpy() function, as the first in
> > > hopefully many to come.
> > >
> >
> > Compilation is broken starting first patch, so patches must be
> > reordered to have the fixes first.
>
> Will do.
>
> >
> >
> > > v5:
> > > * No changes.
> > > v4:
> > > * No changes.
> > > v3:
> > > * No changes.
> > > v2:
> > > * Only define "nonnull" for GCC and CLANG.
> > > * Append _param/_params to prepare for possible future attributes
> > > attached directly to the individual parameters, like
> __rte_unused.
> > > * Use RTE_TOOLCHAIN_GCC instead of RTE_CC_GCC, to fix complaints
> > about
> > > GCC_VERSION being undefined.
> > > * Try to fix Doxygen compliants.
> >
> > Patch history should be put as annotations (i.e. after --- but before
> > patch content).
>
> Will do.
>
> [...]
>
> > This is tightly bound to gcc syntax.
> > With dedicated macros (which I find easier to read too), we can hope
> > to adapt to other compilers if some of them add support for this kind
> > of code cookies.
> > __rte_read_only_params(indexes...)
> > __rte_write_only_params(indexes...)
> > __rte_no_access_params(indexes...)
>
> I agree. Splitting the generic access macro up into dedicated access
> macros is probably better.
Version 6 of this patch series is here:
https://patchwork.dpdk.org/project/dpdk/list/?series=26560
Please ignore the name of the series.
-Morten
next prev parent reply other threads:[~2023-01-16 12:49 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 15:34 [PATCH] " Morten Brørup
2022-12-02 20:02 ` Tyler Retzlaff
2022-12-03 14:22 ` [PATCH v2] " Morten Brørup
2022-12-05 10:17 ` Ruifeng Wang
2022-12-12 7:40 ` Morten Brørup
2022-12-28 10:27 ` [PATCH v3 1/2] " Morten Brørup
2022-12-28 10:27 ` [PATCH v3 2/2] net/bnx2x: fix warnings about rte_memcopy lengths Morten Brørup
2022-12-28 11:40 ` [PATCH v4 1/2] eal: add nonnull and access function attributes Morten Brørup
2022-12-28 11:40 ` [PATCH v4 2/2] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2022-12-28 15:10 ` [PATCH v5 1/4] eal: add nonnull and access function attributes Morten Brørup
2022-12-28 15:10 ` [PATCH v5 2/4] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2022-12-28 16:13 ` Stanisław Kardach
2022-12-28 16:38 ` Morten Brørup
2022-12-28 17:03 ` Stephen Hemminger
2022-12-28 17:37 ` Morten Brørup
2023-01-09 10:36 ` David Marchand
2022-12-28 15:10 ` [PATCH v5 3/4] event/dlb2: remove superfluous rte_memcpy Morten Brørup
2022-12-28 17:01 ` Stephen Hemminger
2022-12-28 15:10 ` [PATCH v5 4/4] net/mlx5: fix warning about rte_memcpy length Morten Brørup
2023-01-09 11:08 ` [PATCH v5 1/4] eal: add nonnull and access function attributes Thomas Monjalon
2023-01-09 12:16 ` Morten Brørup
2023-01-09 11:22 ` David Marchand
2023-01-09 12:28 ` Morten Brørup
2023-01-16 12:49 ` Morten Brørup [this message]
2023-01-16 12:44 ` [PATCH v6 1/4] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2023-01-16 12:44 ` [PATCH v6 2/4] event/dlb2: remove superfluous rte_memcpy Morten Brørup
2023-01-16 12:44 ` [PATCH v6 3/4] net/mlx5: fix warning about rte_memcpy length Morten Brørup
2023-01-16 12:44 ` [PATCH v6 4/4] eal: add nonnull and access function attributes Morten Brørup
2023-01-16 13:07 ` [PATCH v7 1/4] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2023-01-16 13:07 ` [PATCH v7 2/4] event/dlb2: remove superfluous rte_memcpy Morten Brørup
2023-02-09 16:51 ` Morten Brørup
2023-02-09 18:50 ` Sevincer, Abdullah
2023-02-10 7:43 ` Morten Brørup
2024-02-23 13:19 ` Jerin Jacob
2024-02-23 13:49 ` [PATCH v8] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2024-02-23 14:00 ` [PATCH v9] " Morten Brørup
2024-02-26 8:34 ` Jerin Jacob
2024-02-26 14:47 ` Morten Brørup
2024-02-27 11:00 ` Jerin Jacob
2024-02-27 11:27 ` Morten Brørup
2024-02-27 19:06 ` Stephen Hemminger
2024-02-28 9:02 ` Bruce Richardson
2024-02-28 8:27 ` Raslan Darawsheh
2024-02-26 21:45 ` Stephen Hemminger
2023-01-16 13:07 ` [PATCH v7 3/4] net/mlx5: fix warning about rte_memcpy length Morten Brørup
2023-02-09 16:54 ` Morten Brørup
2023-02-10 9:13 ` Slava Ovsiienko
2024-03-13 10:00 ` Raslan Darawsheh
2023-01-16 13:07 ` [PATCH v7 4/4] eal: add nonnull and access function attributes Morten Brørup
2023-01-16 17:02 ` Ferruh Yigit
2023-01-17 8:19 ` Morten Brørup
2023-01-17 21:16 ` Tyler Retzlaff
2023-01-18 8:31 ` Morten Brørup
2023-01-18 17:23 ` Stephen Hemminger
2023-01-31 11:14 ` David Marchand
2023-01-31 12:23 ` Morten Brørup
2023-01-31 18:26 ` Tyler Retzlaff
2023-01-31 22:52 ` Thomas Monjalon
2023-02-01 12:50 ` Morten Brørup
2023-02-01 13:15 ` Thomas Monjalon
2023-02-06 16:11 ` David Marchand
2023-02-06 16:49 ` Morten Brørup
2023-02-06 17:28 ` Tyler Retzlaff
2023-05-08 12:32 ` Morten Brørup
2023-10-13 23:31 ` Morten Brørup
2023-04-04 13:41 ` Morten Brørup
2023-04-04 13:51 ` David Marchand
2023-04-04 14:01 ` Morten Brørup
2023-04-04 14:19 ` David Marchand
2023-02-09 16:49 ` [PATCH v7 1/4] net/bnx2x: fix warnings about rte_memcpy lengths Morten Brørup
2023-02-26 9:21 ` Marvell QLogic bnx2x PMD support status Morten Brørup
2023-03-09 10:25 ` [PATCH v7 1/4] net/bnx2x: fix warnings about rte_memcpy lengths David Marchand
2023-03-09 10:33 ` Thomas Monjalon
2023-03-09 16:11 ` [EXT] " Akhil Goyal
[not found] ` <SJ0PR18MB390039A8C34E485F8D2D518EA1B59@SJ0PR18MB3900.namprd18.prod.outlook.com>
2023-03-09 16:19 ` Devendra Singh Rawat
2023-03-09 16:23 ` Stephen Hemminger
2024-02-23 12:39 ` Jerin Jacob
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