linux-kernel - Re: [PATCH v2 2/2] lib/test_bitmap: Fix address space when test user buffer

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Message-ID: <20200109230019.GA5938@roeck-us.net>
Date:   Thu, 9 Jan 2020 15:00:19 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Yury Norov <yury.norov@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] lib/test_bitmap: Fix address space when test user
 buffer

On Thu, Jan 09, 2020 at 01:52:53PM -0800, Andrew Morton wrote:
> On Thu, 9 Jan 2020 23:04:59 +0200 Andy Shevchenko <andy.shevchenko@...il.com> wrote:
> 
> > On Thu, Jan 9, 2020 at 10:53 PM Andrew Morton <akpm@...ux-foundation.org> wrote:
> > >
> > > On Thu,  9 Jan 2020 12:36:01 +0200 Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > >
> > > > Force address space to avoid the following warning:
> > > >
> > > > lib/test_bitmap.c:461:53: warning: incorrect type in argument 1 (different address spaces)
> > > > lib/test_bitmap.c:461:53:    expected char const [noderef] <asn:1> *ubuf
> > > > lib/test_bitmap.c:461:53:    got char const *in
> > >
> > > We did this in
> > >
> > > commit 17b6753ff08bc47f50da09f5185849172c598315
> > > Author:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > > AuthorDate: Wed Dec 4 16:53:06 2019 -0800
> > > Commit:     Linus Torvalds <torvalds@...ux-foundation.org>
> > > CommitDate: Wed Dec 4 19:44:14 2019 -0800
> > >
> > >     lib/test_bitmap: force argument of bitmap_parselist_user() to proper address space
> > 
> > This is for "parseLIST", while new patch for "parse".
> 
> Oh.  This is a fix against the mm patch
> lib-add-test-for-bitmap_parse.patch.  Please tell us such things!
> 
> But [patch 1/2] is applicable to current mainline, yes?
> 
Yes

Guenter