patch-2.6.5-iop2

Download Location
   ftp://source.mvista.com/pub/xscale/iop3xx/2.6/patch-2.6.5-iop2.bz2

Build Documentation:

   Download linux-2.6.5 from ftp://ftp.kernel.org
	Apply this patch directly on top of 2.6.5 kernel

    Make sure cross toolchain is in path
	make iqXXXXX_config
	make zImage

Summary of Changes:
- DMA driver update
	o copy*user support now functioning (David Griego)
	o Disabling handling of vmalloc'd mem (Me)
- Fixed IQ31244 RTC /proc display (Vinesh Christopher)
- Latest XScale/ARM OProfile updates (Zwane Mwaikambo)

Notes:
- DMA driver needs testing. Please forward any bugs/issues to me.=20
- kernel memcpy and copy*user performance increase siginificantly on=20
  IOP321 with DMA. Has some benefits on 500Mhz IOP331, but not
  recommended for faster IOP331.=20
- TCP TSO is disabled by default in e1000 driver for 2.6.5. Driver notes
  hang issue using TSO with non-IA32 arch. Have not noticed the issue on

  XScale. To enable use ethtool: ethtool -K eth0 tso on
  Observed significant performance increase in TCP transmit with tso on.

- OProfile has been tested on IQ80331 and works well. Need to test on=20
  IOP321 platform. =20

----

    -=3D Dave =3D-=20

Software Engineer - Advanced Development Engineering Team=20
Storage Component Division - Intel Corp.=20
mailto://dave-DOT-jiang-AT-intel.com=20
----
The views expressed in this email are
mine alone and do not necessarily=20
reflect the views of my employer
(Intel Corp.).


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