From owner-freebsd-emulation  Sun Feb 25 21:56:53 2001
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Date: Sun, 25 Feb 2001 21:55:55 -0800
From: Julian Elischer <julian@elischer.org>
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To: Matt Dillon <dillon@earth.backplane.com>
Cc: Andrew Gallatin <gallatin@cs.duke.edu>,
	Vladimir Silyaev <vsilyaev@mindspring.com>,
	freebsd-emulation@freebsd.org
Subject: Re: Does vmware2 wire pages?
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				<20010214072943.A365@delta.rc.ny.us>
				<3A96A29A.3BBF2614@elischer.org> <14998.46507.267723.148767@grasshopper.cs.duke.edu> <3A988DF4.9A1626E0@elischer.org> <200102250618.f1P6Igw11814@earth.backplane.com> <3A99E74A.38D7C087@elischer.org> <200102260548.f1Q5mpS29577@earth.backplane.com>
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Matt Dillon wrote:
> 
> :> :> Hacking vmware to set wired pages to PG_NOSYNC doesn't seem to help.
> :> :> However, I have my own local hack which seems to help a great deal:
> :> :> hacking the Linulator to treat all mmap'ed files as MAP_NOSYNC, in
> :> :> combination with my fixes to vm_fault so as to correctly tag a page in
> :> :> a MAP_NOSYNC map with PG_NOSYNC on a read fault.
> :[...]
> :>     The vm_fault patch is correct.  I was failing to set PG_NOSYNC for
> :>     the write-wiring case on a read-fault (i.e. a read fault for which
> :>     a later write is acceptable and will not cause another fault).
> :
> :so is it applied?
> :can it be applied?
> :I don't have a copy of it so I don't know what it is.
> :
> :Andrew, can you post your patches for the linuxulator too?
> 
>     It's Andrew's patch, so I am presuming that he wants to commit it.

what about the change to the vm_fault code?

> 
>                                         -Matt

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000-2001
---> X_.---._/  
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