On Wed, 2005-07-27 at 13:27 -0700, David S. Miller wrote:
> You'll notice that sys_ppc32.c has a ton of shims which purely
> exist to sign extend "int" system call arguments. Sparc64 does
> something similarly, but in assembler so that we don't eat the
> overhead of a full stack frame just to sign extend arguments.
Yah, but it looked like they did the sign extend thing for every int but
file descriptors, and fd's are the only int's we have.
Robert Love
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