From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Thomas Monjalon" <thomas@monjalon.net>,
"Tyler Retzlaff" <roretzla@linux.microsoft.com>
Cc: <stephen@networkplumber.org>, <dev@dpdk.org>,
<anatoly.burakov@intel.com>, <ranjit.menon@intel.com>,
<mdr@ashroe.eu>, <david.marchand@redhat.com>,
<dmitry.kozliuk@gmail.com>, <bruce.richardson@intel.com>
Subject: RE: [dpdk-dev] [PATCH v2] doc: propose correction rte_{bsf, fls} inline functions type use
Date: Thu, 11 Nov 2021 13:41:02 +0100 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D86CDC@smartserver.smartshare.dk> (raw)
In-Reply-To: <28219790.PSkamzV0e4@thomas>
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Thursday, 11 November 2021 12.55
>
> 11/11/2021 05:15, Tyler Retzlaff:
> > On Tue, Oct 26, 2021 at 09:45:20AM +0200, Morten Brørup wrote:
> > > > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Thomas
> Monjalon
> > > > Sent: Monday, 25 October 2021 21.14
> > > >
> > > > 15/03/2021 20:34, Tyler Retzlaff:
> > > > > The proposal has resulted from request to review [1] the
> following
> > > > > functions where there appeared to be inconsistency in return
> type
> > > > > or parameter type selections for the following inline
> functions.
> > > > >
> > > > > rte_bsf32()
> > > > > rte_bsf32_safe()
> > > > > rte_bsf64()
> > > > > rte_bsf64_safe()
> > > > > rte_fls_u32()
> > > > > rte_fls_u64()
> > > > > rte_log2_u32()
> > > > > rte_log2_u64()
> > > > >
> > > > > [1] http://mails.dpdk.org/archives/dev/2021-March/201590.html
> > > > >
> > > > > Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
> > > > > ---
> > > > > --- a/doc/guides/rel_notes/deprecation.rst
> > > > > +++ b/doc/guides/rel_notes/deprecation.rst
> > > > > +* eal: Fix inline function return and parameter types for
> > > > rte_{bsf,fls}
> > > > > + inline functions to be consistent.
> > > > > + Change ``rte_bsf32_safe`` parameter ``v`` from ``uint64_t``
> to
> > > > ``uint32_t``.
> > > > > + Change ``rte_bsf64`` return type to ``uint32_t`` instead of
> > > > ``int``.
> > > > > + Change ``rte_fls_u32`` return type to ``uint32_t`` instead
> of
> > > > ``int``.
> > > > > + Change ``rte_fls_u64`` return type to ``uint32_t`` instead
> of
> > > > ``int``.
> > > >
> > > > It seems we completely forgot this.
> > > > How critical is it?
> > >
> >
> > our organization as a matter of internal security policy requires
> these
> > sorts of things to be fixed. while i didn't see any bugs in the dpdk
> > code there is an opportunity for users of these functions to
> > accidentally write code that is prone to integer and buffer overflow
> > class bugs.
> >
> > there is no urgency, but why leave things sloppy? though i do wish
> this
> > had been responded to in a more timely manner 7 months for something
> > that should have almost been rubber stamped.
>
> It's difficult to be on all topics.
> The best way to avoid such miss is to ping when you see no progress.
>
> So what's next?
> They are only inline functions, right? so no ABI breakage.
> Is it going to require any change on application-side? I guess no.
> Is it acceptable in 21.11-rc3? maybe too late?
> Is it acceptable in 22.02?
If Microsoft (represented by Tyler in this case) considers this a bug, I would prefer getting it into 21.11 - especially because it is an LTS release.
-Morten
next prev parent reply other threads:[~2021-11-11 12:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 23:24 [dpdk-dev] [PATCH] doc: propose correction rte_bsf64 return type declaration Tyler Retzlaff
2021-03-15 19:34 ` [dpdk-dev] [PATCH v2] doc: propose correction rte_{bsf, fls} inline functions type use Tyler Retzlaff
2021-10-25 19:14 ` Thomas Monjalon
2021-10-26 7:45 ` Morten Brørup
2021-11-11 4:15 ` Tyler Retzlaff
2021-11-11 11:54 ` Thomas Monjalon
2021-11-11 12:41 ` Morten Brørup [this message]
2022-07-11 14:07 ` Jerin Jacob
2022-07-13 10:13 ` Thomas Monjalon
2022-07-18 21:28 ` Tyler Retzlaff
2022-08-08 21:21 ` [PATCH 0/3] cleanup bsf and fls inline function return types Tyler Retzlaff
2022-08-08 21:21 ` [PATCH 1/3] doc: announce cleanup of rte_{bsf, fls} inline functions type use Tyler Retzlaff
2022-10-05 9:06 ` Thomas Monjalon
2022-08-08 21:21 ` [PATCH 2/3] eal: change rte_fls and rte_bsf to return uint32_t Tyler Retzlaff
2022-10-05 9:02 ` Thomas Monjalon
2022-10-05 15:15 ` Tyler Retzlaff
2022-10-05 15:23 ` Thomas Monjalon
2022-10-05 15:40 ` [PATCH] eal: fix return type of bsf safe functions Thomas Monjalon
2022-10-05 19:41 ` David Marchand
2022-10-05 22:20 ` Tyler Retzlaff
2022-10-06 0:27 ` Thomas Monjalon
2022-10-06 18:20 ` Mattias Rönnblom
2022-08-08 21:21 ` [PATCH 3/3] test: fix sign compare warning for rte_bsf64 return type change Tyler Retzlaff
2022-08-08 21:42 ` [PATCH 0/3] cleanup bsf and fls inline function return types Stephen Hemminger
2022-08-09 8:26 ` Morten Brørup
2022-10-05 10:11 ` Thomas Monjalon
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