Re: [PATCH v2] ipc: provide generic compat versions of IPC syscalls

[Arnd Bergmann]

On Friday 09 December 2011 13:48:52 Andrew Morton wrote:
> What would we need to do to get all architectures using the new
> interfaces, and remove __ARCH_WANT_OLD_COMPAT_IPC?

We would change the various compat_sys_ipc functions (mips, powerpc,
s390, sparc, x86) to call the new functions instead of the existing
ones, and test each architecture. For parisc, we might not
actually need the either version, but I'd have to take a closer look
to be sure.

> Regarding the implementation: rather than patching the header
> files, it would be more conventional (and arguably better) to add
> 
>         select ARCH_WANT_OLD_COMPAT_IPC
> 
> to arch/*/Kconfig, then use CONFIG_ARCH_WANT_OLD_COMPAT_IPC.

Yes.

	Arnd
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