Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: Partial revert of "powerpc: Individual System V IPC system calls" | Date | Thu, 17 Dec 2015 21:19:12 +1100 (AEDT) |
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On Wed, 2015-16-12 at 10:53:29 UTC, Michael Ellerman wrote: > This partially reverts commit a34236155afb1cc41945e58388ac988431bcb0b8. > > While reviewing the glibc patch to exploit the individual IPC calls, > Arnd & Andreas noticed that we were still requiring userspace to pass > IPC_64 in order to get the new style IPC API. > > With a bit of cleanup in the kernel we can drop that requirement, and > instead only provide the new style API, which will simplify things for > userspace. > > Rather than try and sneak that patch into 4.4, instead we will drop the > individual IPC calls for powerpc, and merge them again in 4.5 once the > cleanup patch has gone in. > > Because we've already added sys_mlock2() as syscall #378, we don't do a > full revert of the IPC calls. Instead we drop the __NR #defines, and > send those now undefined syscall numbers to sys_ni_syscall(). This > leaves a gap in the syscall numbers, but we'll reuse them when we merge > the individual IPC calls. > > Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> > Acked-by: Arnd Bergmann <arnd@arndb.de>
Applied to powerpc fixes.
https://git.kernel.org/powerpc/c/2475c362134a0fa5309c7b0f
cheers
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