From: Arnd Bergmann <arnd@arndb.de>
To: "Michal Suchánek" <msuchanek@suse.de>
Cc: Rich Felker <dalias@libc.org>,
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"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] Revert "asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro"
Date: Fri, 30 Aug 2019 22:37:44 +0200 [thread overview]
Message-ID: <CAK8P3a1nGnB3GWEAso9MKW5HuxuB9ez46HZgS=GX-odtJuAMWQ@mail.gmail.com> (raw)
In-Reply-To: <20190830221315.4b3b8a74@kitsune.suse.cz>
On Fri, Aug 30, 2019 at 10:13 PM Michal Suchánek <msuchanek@suse.de> wrote:
> On Fri, 30 Aug 2019 21:54:43 +0200
> Arnd Bergmann <arnd@arndb.de> wrote:
> > > index 5bbf587f5bc1..2f3c4bb138c4 100644
> > > --- a/fs/read_write.c
> > > +++ b/fs/read_write.c
> > > @@ -331,7 +331,7 @@ COMPAT_SYSCALL_DEFINE3(lseek, unsigned int, fd, compat_off_t, offset, unsigned i
> > > }
> > > #endif
> > >
> > > -#if !defined(CONFIG_64BIT) || defined(CONFIG_COMPAT)
> > > +#ifdef __ARCH_WANT_SYS_LLSEEK
> > > SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high,
> > > unsigned long, offset_low, loff_t __user *, result,
> > > unsigned int, whence)
> >
> > However, only reverting the patch will now break all newly added
> > 32-bit architectures that don't define __ARCH_WANT_SYS_LLSEEK:
> > at least nds32 and riscv32 come to mind, not sure if there is another.
>
> AFAICT nds32 never had the syscall. Its headers were added without
> __ARCH_WANT_SYS_LLSEEK before the define was removed.
nds32 got it from include/asm-generic/unistd.h
Arnd
next prev parent reply other threads:[~2019-08-30 20:42 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 18:57 [PATCH v6 0/6] Disable compat cruft on ppc64le v6 Michal Suchanek
2019-08-30 18:57 ` [PATCH v6 1/6] powerpc: make llseek 32bit-only Michal Suchanek
2019-08-30 19:46 ` [PATCH] Revert "asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro" Michal Suchanek
2019-08-30 19:54 ` Arnd Bergmann
2019-08-30 20:13 ` Michal Suchánek
2019-08-30 20:37 ` Arnd Bergmann [this message]
[not found] ` <20190830202959.3539-1-msuchanek@suse.de>
2019-08-30 20:32 ` Arnd Bergmann
2019-08-31 8:38 ` [PATCH] Revert "asm-generic: Remove unneeded __ARCH_WANT_SYS_LLSEEK macro" Christoph Hellwig
2019-08-31 13:44 ` Arnd Bergmann
2019-08-30 18:57 ` [PATCH v6 2/6] powerpc: move common register copy functions from signal_32.c to signal.c Michal Suchanek
2019-08-30 20:22 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 3/6] powerpc/perf: consolidate read_user_stack_32 Michal Suchanek
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 4/6] powerpc/64: make buildable without CONFIG_COMPAT Michal Suchanek
2019-08-30 20:21 ` Christophe Leroy
2019-08-30 20:35 ` Michal Suchánek
2019-08-30 18:57 ` [PATCH v6 5/6] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default Michal Suchanek
2019-08-30 20:23 ` Christophe Leroy
2019-08-30 18:57 ` [PATCH v6 6/6] powerpc/perf: split callchain.c by bitness Michal Suchanek
2019-08-30 19:06 ` Michal Suchánek
2019-09-02 2:51 ` Michael Ellerman
2019-08-30 20:28 ` Christophe Leroy
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