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

From: Seth, Rohit <rohit.seth_at_intel.com>
Date: 2005-01-21 10:22:59
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
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Received on Thu Jan 20 18:24:48 2005

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