From: Michael Ellerman <mpe@ellerman.id.au>
To: Arnd Bergmann <arnd@arndb.de>
Cc: y2038 Mailman List <y2038@lists.linaro.org>,
Linux API <linux-api@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Paul Burton <paul.burton@mips.com>, Helge Deller <deller@gmx.de>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Rich Felker <dalias@libc.org>, David Miller <davem@davemloft.net>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
the arch/x86 maintainers <x86@kernel.org>,
Max Filippov <jcmvbkbc@gmail.com>,
Firoz Khan <firoz.khan@linaro.org>,
"Eric W . Biederman" <ebiederm@xmission.com>,
Deepa Dinamani <deepa.kernel@gmail.com>,
Dominik Brodowski <linux@dominikbrodowski.net>,
Andrew Morton <akpm@linux-foundation.org>,
Davidlohr Bueso <dave@stgolabs.net>,
alpha <linux-alpha@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
linux-ia64@vger.kernel.org,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
linux-mips@vger.kernel.org,
Parisc List <linux-parisc@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Linux-sh list <linux-sh@vger.kernel.org>,
sparclinux <sparclinux@vger.kernel.org>
Subject: Re: [PATCH 14/15] arch: add split IPC system calls where needed
Date: Wed, 16 Jan 2019 11:10:16 +1100 [thread overview]
Message-ID: <871s5dzclz.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <CAK8P3a0uas76i2W1yjFvxHT-2=A8_egUZeAUM-Vya6386+87Xg@mail.gmail.com>
Arnd Bergmann <arnd@arndb.de> writes:
> On Mon, Jan 14, 2019 at 4:59 AM Michael Ellerman <mpe@ellerman.id.au> wrote:
>> Arnd Bergmann <arnd@arndb.de> writes:
>> > arch/m68k/kernel/syscalls/syscall.tbl | 11 +++++++++++
>> > arch/mips/kernel/syscalls/syscall_o32.tbl | 11 +++++++++++
>> > arch/powerpc/kernel/syscalls/syscall.tbl | 12 ++++++++++++
>>
>> I have some changes I'd like to make to our syscall table that will
>> clash with this.
>>
>> I'll try and send them today.
>
> Ok. Are those for 5.0 or 5.1? If they are intended for 5.0, it would be
> nice for me to have a branch based on 5.0-rc1 that I can put
> the other patches on top of.
For 5.1.
I can put them in a topic branch for you.
>> > diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
>> > index db3bbb8744af..1bffab54ff35 100644
>> > --- a/arch/powerpc/kernel/syscalls/syscall.tbl
>> > +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
>> > @@ -425,3 +425,15 @@
>> > 386 nospu pkey_mprotect sys_pkey_mprotect
>> > 387 nospu rseq sys_rseq
>> > 388 nospu io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents
>> > +# room for arch specific syscalls
>> > +392 64 semtimedop sys_semtimedop
>> > +393 common semget sys_semget
>> > +394 common semctl sys_semctl compat_sys_semctl
>> > +395 common shmget sys_shmget
>> > +396 common shmctl sys_shmctl compat_sys_shmctl
>> > +397 common shmat sys_shmat compat_sys_shmat
>> > +398 common shmdt sys_shmdt
>> > +399 common msgget sys_msgget
>> > +400 common msgsnd sys_msgsnd compat_sys_msgsnd
>> > +401 common msgrcv sys_msgrcv compat_sys_msgrcv
>> > +402 common msgctl sys_msgctl compat_sys_msgctl
>>
>> We already have a gap at 366-377 from when we tried to add the split IPC
>> calls a few years back.
>>
>> I guess I don't mind leaving that gap and using the common numbers as
>> you've done here.
>>
>> But it would be good to add a comment pointing out that we have room
>> at 366 for more arch specific syscalls as well.
>
> Ah, I missed that. I've added this to my patch now:
>
> index 5c0936d862fc..2ddfba536d5f 100644
> --- a/arch/powerpc/kernel/syscalls/syscall.tbl
> +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
> @@ -460,6 +460,7 @@
> 363 spu switch_endian sys_ni_syscall
> 364 common userfaultfd sys_userfaultfd
> 365 common membarrier sys_membarrier
> +# 366-377 originally left for IPC, now unused
> 378 nospu mlock2 sys_mlock2
> 379 nospu copy_file_range sys_copy_file_range
> 380 common preadv2 sys_preadv2
> compat_sys_preadv2
Thanks.
cheers
next prev parent reply other threads:[~2019-01-16 0:10 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 16:24 [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038 Arnd Bergmann
2019-01-10 16:24 ` [PATCH 01/15] ia64: add __NR_umount2 definition Arnd Bergmann
2019-01-10 16:24 ` [PATCH 02/15] ia64: add statx and io_pgetevents syscalls Arnd Bergmann
2019-01-10 16:24 ` [PATCH 03/15] ia64: assign syscall numbers for perf and seccomp Arnd Bergmann
2019-01-10 16:24 ` [PATCH 04/15] alpha: wire up io_pgetevents system call Arnd Bergmann
2019-01-10 16:24 ` [PATCH 05/15] alpha: update syscall macro definitions Arnd Bergmann
2019-01-10 16:24 ` [PATCH 06/15] ARM: add migrate_pages() system call Arnd Bergmann
2019-01-10 16:32 ` Will Deacon
2019-01-10 17:11 ` Arnd Bergmann
2019-01-10 16:24 ` [PATCH 07/15] ARM: add kexec_file_load system call number Arnd Bergmann
2019-01-10 16:39 ` Will Deacon
2019-01-10 17:14 ` Arnd Bergmann
2019-01-10 16:24 ` [PATCH 08/15] m68k: assign syscall number for seccomp Arnd Bergmann
2019-01-10 16:24 ` [PATCH 09/15] sh: remove duplicate unistd_32.h file Arnd Bergmann
2019-01-10 16:24 ` [PATCH 10/15] sh: add statx system call Arnd Bergmann
2019-01-10 16:24 ` [PATCH 11/15] mips: fix n32 compat_ipc_parse_version Arnd Bergmann
2019-01-10 16:24 ` [PATCH 12/15] sparc64: fix sparc_ipc type conversion Arnd Bergmann
2019-01-10 16:24 ` [PATCH 13/15] ipc: rename old-style shmctl/semctl/msgctl syscalls Arnd Bergmann
2019-01-10 16:24 ` [PATCH 14/15] arch: add split IPC system calls where needed Arnd Bergmann
2019-01-10 20:32 ` Heiko Carstens
2019-01-11 17:33 ` Arnd Bergmann
2019-01-14 3:40 ` Michael Ellerman
2019-01-14 3:59 ` Michael Ellerman
2019-01-14 9:58 ` Michael Ellerman
2019-01-15 15:01 ` Arnd Bergmann
2019-01-15 15:18 ` Arnd Bergmann
2019-01-15 16:35 ` Geert Uytterhoeven
2019-01-15 21:24 ` Arnd Bergmann
2019-01-16 0:09 ` Michael Ellerman
2019-01-16 0:10 ` Michael Ellerman [this message]
2019-01-10 16:24 ` [PATCH 15/15] arch: add pkey and rseq syscall numbers everywhere Arnd Bergmann
2019-01-10 20:36 ` Heiko Carstens
2019-01-11 17:30 ` Arnd Bergmann
2019-01-14 8:31 ` Heiko Carstens
2019-01-15 11:52 ` Russell King - ARM Linux admin
2019-01-15 14:47 ` Arnd Bergmann
2019-01-10 16:59 ` [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038 Geert Uytterhoeven
2019-01-10 17:06 ` Arnd Bergmann
2019-01-10 18:11 ` Geert Uytterhoeven
2019-01-10 22:43 ` Arnd Bergmann
2019-01-11 8:07 ` Geert Uytterhoeven
2019-01-10 18:10 ` Joseph Myers
2019-01-10 22:42 ` Arnd Bergmann
2019-01-10 23:14 ` Michael Cree
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=871s5dzclz.fsf@concordia.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=catalin.marinas@arm.com \
--cc=dalias@libc.org \
--cc=dave@stgolabs.net \
--cc=davem@davemloft.net \
--cc=deepa.kernel@gmail.com \
--cc=deller@gmx.de \
--cc=ebiederm@xmission.com \
--cc=fenghua.yu@intel.com \
--cc=firoz.khan@linaro.org \
--cc=geert@linux-m68k.org \
--cc=heiko.carstens@de.ibm.com \
--cc=hpa@zytor.com \
--cc=ink@jurassic.park.msu.ru \
--cc=jcmvbkbc@gmail.com \
--cc=linux-alpha@vger.kernel.org \
--cc=linux-api@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-m68k@lists.linux-m68k.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-sh@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=linux@dominikbrodowski.net \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=luto@kernel.org \
--cc=mattst88@gmail.com \
--cc=mingo@redhat.com \
--cc=monstr@monstr.eu \
--cc=paul.burton@mips.com \
--cc=schwidefsky@de.ibm.com \
--cc=sparclinux@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=tony.luck@intel.com \
--cc=will.deacon@arm.com \
--cc=x86@kernel.org \
--cc=y2038@lists.linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).