Re: [PATCH] iomap: Set all uptodate bits for an Uptodate page

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On Thu, Sep 24, 2020 at 8:47 PM Qian Cai <cai@xxxxxxxxxx> wrote:
>
> On Thu, 2020-09-24 at 20:27 +0200, Sedat Dilek wrote:
> > I run both linux-kernel on my Debian/unstable AMD64 host (means not in
> > a VM) with and without your patch.
> >
> > Instructions:
> > cd /opt/ltp
> > ./runltp -f syscalls -s preadv203
> >
> > Unfortunately, the logs in the "results" directory have only the short
> > summary.
> >
> > Testcase                                           Result     Exit Value
> > --------                                           ------     ----------
> > preadv203                                          PASS       0
> > preadv203_64                                       PASS       0
> >
> > So, I guess I am not hitting the issue?
> > Or do I miss some important kernel-config?
>
> https://gitlab.com/cailca/linux-mm/-/blob/master/arm64.config
>
> That is .config I used to reproduce. Then, I ran the linux-mm testsuite (lots of
> hard-coded places because I only need to run this on RHEL8) first:
>
> # git clone https://gitlab.com/cailca/linux-mm
> # cd linux-mm; make
> # ./random -k
>
> Then, run the whole LTP syscalls:
> # ./runltp -f syscalls
>

Doing this right now.

> If that is still not triggered, it needs some syscall fuzzing:
> # ./random -x 0-100 -f
>

Out of curiosity:
You are named in "mm: fix misplaced unlock_page in do_wp_page()".
Is this here a different issue?

- Sedat -

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=be068f29034fb00530a053d18b8cf140c32b12b3



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