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Date: Wed, 4 Dec 2002 20:11:16 -0800 (PST)
From: Linus Torvalds <torvalds@transmeta.com>
To: george anzinger <george@mvista.com>
cc: Jim Houston <jim.houston@ccur.com>,
       Stephen Rothwell <sfr@canb.auug.org.au>,
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Subject: Re: [PATCH] compatibility syscall layer (lets try again)
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On Wed, 4 Dec 2002, george anzinger wrote:
> 
> Once it changes the system call (eax, right), could the new
> call code then just get the parms from the restart_block. 

Agreed.

> I think it would be best to keep this as generic as
> possible, i.e. let the new call code fetch its own
> paramerers from the restart_block.

We could even have one _single_ a generic "restart" system call, and have 
the function pointer for that be in the restart block.

> My question is who sets up these values?  I think you are
> saying it should be the system call.  Is this right?

Whatever system call that return -ERESTART_RESTARTBLOCK, yes.

So it would never get set up at all in the fast path. Only in the error 
case path of a system call that wants to have restarting capabilities.

		Linus

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