From: Petr Vorel <pvorel@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH 2/2] lib/cloner.c: Use __clone instead of clone for s390
Date: Mon, 11 May 2020 10:33:34 +0200 [thread overview]
Message-ID: <20200511083334.GA23004@dell5510> (raw)
In-Reply-To: <475724112.11805789.1588947614752.JavaMail.zimbra@redhat.com>
Hi,
> ----- Original Message -----
> > The kernel sys_clone and s390 glibc entry __clone assume
> > the flags parameter type as unsigned long. However, the
> > glibc clone wrapper used by ltp_clone helper defines flags
> > as signed int. That leads to gcc extending CLONE_IO flag of
> > 0x80000000 value to 0xffffffff80000000.
> Same problem exists on ppc64le. There's a patch proposed to fix this on
> kernel side:
> https://lore.kernel.org/lkml/20200507103214.77218-1-christian.brauner@ubuntu.com/
> Earlier discussion is here:
> https://sourceware.org/pipermail/libc-alpha/2020-May/113596.html
OK instead of merging whole patchset we should add git commit hash once this fix is
merged (although no reply since v2 post).
Kind regards,
Petr
prev parent reply other threads:[~2020-05-11 8:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 13:09 [LTP] [PATCH 0/2] syscalls/kcmp03.c: Fix CLONE_IO failure on s390 Alexander Gordeev
2020-05-08 13:09 ` [LTP] [PATCH 1/2] syscalls/kcmp03.c: Extend clone_type type to unsigned long Alexander Gordeev
2020-05-08 13:09 ` [LTP] [PATCH 2/2] lib/cloner.c: Use __clone instead of clone for s390 Alexander Gordeev
2020-05-08 14:20 ` Jan Stancek
2020-05-11 8:33 ` Petr Vorel [this message]
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