Re: X32 project status update

From: H.J. Lu
Date: Sat May 21 2011 - 12:32:49 EST

On Sat, May 21, 2011 at 8:34 AM, H.J. Lu <> wrote:
> On Sat, May 21, 2011 at 8:27 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> On Saturday 21 May 2011 17:01:33 H.J. Lu wrote:
>>> This is the x32 project status update:
>> I've had another look at the kernel patch. It basically
>> looks all good, but the system call table appears to
>> diverge from the x86_64 list for no (documented) reason,
>> in the calls above 302. Is that intentional?
>> I can see why you might want to keep the numbers identical,
>> but if they are already different, why not use the generic
>> system call table from asm-generic/unistd.h for the new
>> ABI?
> We can sort it out when we start merging x32 kernel changes.

Peter, is that possible to use the single syscall table for
both x86-64 and x32 system calls? Out of 300+ system
calls, only 84 are different for x86-64 and x32. That
is additional 8*84 == 672 bytes in syscall table.

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