linux-kernel - Re: [PATCH] openrisc/boot: Remove unnecessary initialisation in memcpy().

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 24 Jan 2022 09:45:43 +0900
From:   Stafford Horne <shorne@...il.com>
To:     Kuniyuki Iwashima <kuniyu@...zon.co.jp>
Cc:     benh@...zon.com, jonas@...thpole.se, kuni1840@...il.com,
        linux-kernel@...r.kernel.org, openrisc@...ts.librecores.org,
        stefan.kristiansson@...nalahti.fi
Subject: Re: [PATCH] openrisc/boot: Remove unnecessary initialisation in
 memcpy().

On Mon, Jan 24, 2022 at 09:02:49AM +0900, Kuniyuki Iwashima wrote:
> From:   Stafford Horne <shorne@...il.com>
> Date:   Mon, 24 Jan 2022 08:27:54 +0900
> > On Sun, Jan 23, 2022 at 11:01:00AM +0900, Kuniyuki Iwashima wrote:
> > > 'd' and 's' are initialised later with 'dest_w' and 'src_w', so we need not
> > > initialise them before that.
> > > 
> > > Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.co.jp>
> > 
> > This looks fine to me.  I will queue this for the next release.
> 
> Thank you.
> 
> 
> > 
> > Just curious why are you working on OpenRISC?
> 
> While reading memcpy() variants, I found a nit to fix in x86 boot-time
> memcpy() [0].  While I'm at it, I just started reading all arch ones ;)
> 
> [0]: https://lore.kernel.org/lkml/20220123015807.45005-1-kuniyu@amazon.co.jp/

Got it.

Thanks again!