Re: [PATCH 3/6] generic sys_ipc wrapper

[Russell King]

On Mon, Feb 01, 2010 at 07:55:44PM +0100, Christoph Hellwig wrote:
> Add a generic implementation of the ipc demultiplexer syscall.  Except for
> s390 and sparc64 all implementations of the sys_ipc are nearly identical.
> 
> There are slight differences in the types of the parameters, where mips
> and powerpc as the only 64-bit architectures with sys_ipc use unsigned long
> for the "third" argument as it gets casted to a pointer later, while it
> traditionally is an "int" like most other paramters.  frv goes even further
> and uses unsigned long for all parameters execept for "ptr" which is a pointer
> type everywhere.  The change from int to unsigned long for "third" and back
> to "int" for the others on frv should be fine due to the in-register calling
> conventions for syscalls (we already had a similar issue with the generic
> sys_ptrace), but I'd prefer to have the arch maintainers looks over this
> in details.

>From an ARM perspective, it looks like nothing actually changes, so...

Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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