This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH] powerpc: Enable demuxed sysv IPC syscalls
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Michael Ellerman <mpe at ellerman dot id dot au>
- Cc: Arnd Bergmann <arnd at arndb dot de>, "Paul E. Murphy" <murphyp at linux dot vnet dot ibm dot com>, libc-alpha at sourceware dot org, Tulio Magno Quites Machado Filho <tuliom at linux dot vnet dot ibm dot com>
- Date: Wed, 16 Dec 2015 09:42:53 +0100
- Subject: Re: [PATCH] powerpc: Enable demuxed sysv IPC syscalls
- Authentication-results: sourceware.org; auth=none
- References: <5660A8D0 dot 5090003 at linux dot vnet dot ibm dot com> <2124912 dot ITjUQ6nO6Y at wuerfel> <566EF0EC dot 1050606 at linux dot vnet dot ibm dot com> <1904883 dot fPjB3uFKBy at wuerfel> <1450253328 dot 19757 dot 2 dot camel at ellerman dot id dot au>
Michael Ellerman <mpe@ellerman.id.au> writes:
> Having said that it doesn't seem like it buys us that much. Just that userspace
> no longer has to worry about passing IPC_64, or is there more to it that I'm
> missing? I guess that's a worthwhile cleanup though.
By removing the requirement to add IPC_64 you remove the need for a
special wrapper, and the syscalls can be implemented by just adding it
to syscalls.list. That should be the goal for every new syscall. Also,
it doesn't make sense to offer obsolete interfaces (the non-IPC_64
variants) through such syscalls.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."