RE: [patch 2/4] ia64 use trace hook

["Luck, Tony" <tony.luck@xxxxxxxxx>]

> I don't really follow the ia64 asm.  But looks OK to me, assuming that int
> return values are sign-extended in the register (I think syscall functions
> always return long instead).

int values do get sign-extended ... but you are right, it would be better
to declare syscall_trace_enter() as "long" to match normal syscall style
and remove all doubts about the return value being 64-bits when the asm
code checks it.

Thanks for looking at my patch.

-Tony
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