|Subject:||Re: Does HIGHMEM work on 32-bit MIPS ports?|
|From:||David VomLehn <firstname.lastname@example.org>|
|Date:||Wed, 20 Feb 2008 11:20:33 -0800|
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> I've written MIPS highmem support in late 2002 for a customer who > back then wasn't interested in being the first through the 64-bit > minefield. Which back then certainly was justified - but there are > now fairly stable 64-bit Linux kernels available so if you happen to > be running on 64-bit hardware don't even spend a nanosecond on > thinking about 32-bit highmem kernels. Highmem fundamentally sucks > rocks through a straw. > > Coming back to your question. Highmem was only ever tested to work > on SB1 and somewhat later PMC-Sierra RM9000 cores, both being 64-bit. > With the increasing maturity of 64-bit Linux interest in these went > away and as the result the highmem code started a slow bitrot - > unnoticed for many moons.Hmm, this is not good. I've got a MIPS 24Kc processor with a very awkward memory layout. Any hints?
> Ralf -- David VomLehn, firstname.lastname@example.orgThe opinions expressed herein are likely mine, but might not be my employer's...
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