From: Alexander Gordeev <agordeev@linux.ibm.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-s390@vger.kernel.org, Stable <stable@vger.kernel.org>,
Yury Norov <yury.norov@gmail.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Amritha Nambiar <amritha.nambiar@intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Chris Wilson <chris@chris-wilson.co.uk>,
Kees Cook <keescook@chromium.org>,
Matthew Wilcox <willy@infradead.org>,
Miklos Szeredi <mszeredi@redhat.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Steffen Klassert <steffen.klassert@secunet.com>,
"Tobin C . Harding" <tobin@kernel.org>,
Vineet Gupta <vineet.gupta1@synopsys.com>,
Will Deacon <will.deacon@arm.com>,
Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH RESEND] lib: fix bitmap_parse() on 64-bit big endian archs
Date: Mon, 18 May 2020 13:51:00 +0200 [thread overview]
Message-ID: <20200518115059.GA19150@oc3871087118.ibm.com> (raw)
In-Reply-To: <CAHp75VdM2yrpd2d3pK2RkmbhF3yiM4=fiTXL4i3yu3AxV3wY-A@mail.gmail.com>
On Mon, May 18, 2020 at 02:33:43PM +0300, Andy Shevchenko wrote:
> On Mon, May 18, 2020 at 1:40 PM Alexander Gordeev
> <agordeev@linux.ibm.com> wrote:
> >
> > Commit 2d6261583be0 ("lib: rework bitmap_parse()") does
> > not take into account order of halfwords on 64-bit big
> > endian architectures.
>
> Thanks for report and the patch!
>
> Did it work before? Can we have a test case for that that we will see
> the failure?
The test exists and enabled with CONFIG_TEST_BITMAP.
It does not appear ever passed before on 64 BE.
It does not fail on 64 LE for me either.
Thanks!
[...]
> --
> With Best Regards,
> Andy Shevchenko
next prev parent reply other threads:[~2020-05-18 11:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-18 10:34 [PATCH RESEND] lib: fix bitmap_parse() on 64-bit big endian archs Alexander Gordeev
2020-05-18 11:33 ` Andy Shevchenko
2020-05-18 11:35 ` Andy Shevchenko
2020-05-18 11:51 ` Alexander Gordeev [this message]
2020-06-02 10:24 ` Alexander Gordeev
2020-06-05 13:25 ` Andy Shevchenko
2020-06-08 10:28 ` Alexander Gordeev
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