From: Rafael David Tinoco <rafael.tinoco@linaro.org>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: gorcunov@gmail.com, akpm@linux-foundation.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, shuah@kernel.org
Subject: Re: [PATCH] proc: fix and merge proc-self-map-file tests
Date: Sun, 11 Nov 2018 00:50:54 -0200 [thread overview]
Message-ID: <1541904654.858965.1572725472.16816210@webmail.messagingengine.com> (raw)
In-Reply-To: <20181110184957.GB18252@avx2>
On Sat, Nov 10, 2018, at 4:49 PM, Alexey Dobriyan wrote:
> On Sat, Nov 10, 2018 at 03:56:03PM -0200, Rafael David Tinoco wrote:
> > On Sat, Nov 10, 2018, at 3:47 PM, Alexey Dobriyan wrote:
> > > On Fri, Nov 09, 2018 at 09:30:36AM -0200, Rafael David Tinoco wrote:
> > > > Merge proc-self-map-files tests into one since this test should focus in
> > > > testing readlink in /proc/self/map_files/* only, and not trying to test
> > > > mapping virtual address 0.
> > > >
> > > > Lowest virtual address for user space mapping in other architectures,
> > > > like arm, is *at least* *(PAGE_SIZE * 2) and NULL hint does not
> > > > guarantee that when MAP_FIXED flag, important to this test, is given.
> > > > This patch also fixes this issue in remaining test.
> > >
> > > > - p = mmap(NULL, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE, fd, 0);
> > > > + p = mmap((void *) (2 * PAGE_SIZE), PAGE_SIZE, PROT_NONE,
> > >
> > > I don't know ARM. Is this 2 page limitation a limitation of hardware or
> > > kernel's?
> >
> > Kernel:
> > https://bugs.linaro.org/show_bug.cgi?id=3782#c7
>
> Ahh. please test the path I've sent, I don't have arm install readily
> available.
I replied to your patch based on some of the discussion we had in this thread.
Thanks
Rafael
-
Rafael D. Tinoco
Linaro Kernel Validation Team
prev parent reply other threads:[~2018-11-11 12:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 18:43 [PATCH] proc: fix proc-self-map-files selftest for arm Rafael David Tinoco
2018-10-11 19:42 ` Cyrill Gorcunov
2018-10-11 20:56 ` Alexey Dobriyan
2018-10-11 21:02 ` Cyrill Gorcunov
2018-10-11 21:30 ` Alexey Dobriyan
2018-10-11 22:00 ` Cyrill Gorcunov
2018-10-15 16:55 ` Rafael David Tinoco
2018-10-15 17:21 ` Cyrill Gorcunov
2018-11-08 10:41 ` Rafael David Tinoco
2018-11-08 11:11 ` Cyrill Gorcunov
2018-11-09 11:30 ` [PATCH] proc: fix and merge proc-self-map-file tests Rafael David Tinoco
2018-11-09 11:41 ` Cyrill Gorcunov
2018-11-09 11:45 ` Rafael David Tinoco
2018-11-09 11:48 ` Cyrill Gorcunov
2018-11-09 12:01 ` Rafael David Tinoco
2018-11-09 18:04 ` Cyrill Gorcunov
2018-11-09 18:48 ` Rafael David Tinoco
2018-11-09 19:39 ` Cyrill Gorcunov
2018-11-10 17:47 ` Alexey Dobriyan
2018-11-10 17:56 ` Rafael David Tinoco
2018-11-10 18:49 ` Alexey Dobriyan
2018-11-11 2:50 ` Rafael David Tinoco [this message]
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