RE: [patch] ia64: fix potential NaT bit error for sys_pipe().

Seth, Rohit
2005-01-20T23:22:59Z

Seth, Rohit <> wrote on Thursday, January 20, 2005 11:01 AM:

> David Mosberger <mailto:davidm@napali.hpl.hp.com> wrote on Thursday,
> January 20, 2005 9:53 AM:
>
>> Tony,
>>
>> Please disregard the patch named in $SUBJECT. It appears to be
>> breaking light-weight syscalls. That's rather odd, but since Rohit
>> has some better ideas on how to fix this issue, I'd rather drop this
>> patch for the time being (the root problem is still there and IMHO,
>> needs to be fixed urgently).
>>
>> --david
>
> I will send out the first rev of patch today to address the
> functionality issue. This patch will not worry about exporting the
> NAT bits in r8-r11 to user. So, the ld.fills will be replaced by
> simple ld.
>

We are also thinking of reseting the mfh bit on every syscall entry as
an optimization.

Comments?

Thanks, rohit