On Monday 11 March 2013, Vineet Gupta wrote:
> The question is what should the msgctl(2) ABI be w.r.t. @cmd arg. Does it
> need to
> be of type 0x01NN (i.e. IPC_64 ORed) or should it be be 0xNN. If it's 0x01NN,
> then ARCH_WANT_IPC_PARSE_VERSION is needed in Kconfig, otherwise, I need to
> fix
> uClibc.
>
> The reason for confusion seems to be a comment in existing uapi/linux/ipc.h
> which
> seems to suggest that IPC_OLD is 0 and IPC_64 is newer version.
Modern architecture ports should ignore this flag and always use the IPC_64 API,
there is no reason to maintain backwards compatibility with old binaries.
Arnd
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