From: David Marchand <david.marchand@redhat.com>
To: Luc Pelletier <lucp.at.work@gmail.com>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Li, Xiaoyun" <xiaoyun.li@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>,
Aaron Conole <aconole@redhat.com>,
Owen Hilyard <ohilyard@iol.unh.edu>
Subject: Re: [PATCH v7] eal: fix rte_memcpy strict aliasing/alignment bugs
Date: Thu, 19 May 2022 18:41:56 +0200 [thread overview]
Message-ID: <CAJFAV8x0ME0q=37rGoo9+Z9pzz1OogA4iCr-W8T5H-LR4kXU1Q@mail.gmail.com> (raw)
In-Reply-To: <CAFeRdtBGgU_ppKzP3LfY4hvAN3isB3JtQRA8VmY5jWMn-kms0g@mail.gmail.com>
Hello Luc,
On Fri, May 13, 2022 at 9:16 PM Luc Pelletier <lucp.at.work@gmail.com> wrote:
> > > Actually, looking again at the history, it fixes:
> > > Fixes: f5472703c0bd ("eal: optimize aligned memcpy on x86")
> >
> > Nop, that's probably even older, could you double check?
> > I'll hold on pushing this fix.
>
> It seems you still haven't received a response. I'll take a stab at this.
>
> I think it fixes:
>
> Fixes: 76746eb13f08 ("eal/x86: fix strict aliasing rules")
>
> However, the ordering of the ifs (from 1 to 8, rather than 8 to 1)
> seems to date back to the first commit (af75078fece3). So, I'm not
> sure how you want to handle this.
My understanding was that the issue was there since "day 1".
I'll go with the latter then.
Backporting will be for all LTS branches in any case.
Thanks!
--
David Marchand
next prev parent reply other threads:[~2022-05-19 16:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-15 19:41 [PATCH] eal: fix unaligned loads/stores in rte_memcpy_generic Luc Pelletier
2022-01-15 21:39 ` [PATCH v2] " Luc Pelletier
2022-01-15 22:13 ` Stephen Hemminger
2022-01-16 14:09 ` Luc Pelletier
2022-01-16 16:32 ` Stephen Hemminger
2022-01-16 14:13 ` [PATCH v3] " Luc Pelletier
2022-01-16 14:33 ` Luc Pelletier
2022-01-16 16:34 ` Stephen Hemminger
2022-01-16 17:59 ` Morten Brørup
2022-01-16 20:33 ` [PATCH v4] " Luc Pelletier
2022-01-17 15:37 ` [PATCH v5] " Luc Pelletier
2022-02-04 16:42 ` Luc Pelletier
2022-02-04 17:16 ` Ananyev, Konstantin
2022-02-08 16:53 ` Thomas Monjalon
2022-02-09 15:05 ` Luc Pelletier
2022-02-10 14:04 ` Ananyev, Konstantin
2022-02-10 16:56 ` Luc Pelletier
2022-02-11 15:51 ` Ananyev, Konstantin
2022-02-13 22:31 ` Luc Pelletier
2022-02-14 13:41 ` Ananyev, Konstantin
2022-02-25 15:51 ` [PATCH v6] eal: fix rte_memcpy strict aliasing/alignment bugs Luc Pelletier
2022-02-25 16:38 ` [PATCH v7] " Luc Pelletier
2022-03-10 14:55 ` Ananyev, Konstantin
2022-04-07 15:24 ` David Marchand
2022-04-07 15:32 ` David Marchand
2022-04-07 15:40 ` David Marchand
2022-05-13 19:15 ` Luc Pelletier
2022-05-19 16:41 ` David Marchand [this message]
2022-04-08 13:47 ` Luc Pelletier
2022-05-19 16:47 ` David Marchand
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