|Subject:||Re: Does HIGHMEM work on 32-bit MIPS ports?|
|From:||David VomLehn <email@example.com>|
|Date:||Wed, 20 Feb 2008 11:20:33 -0800|
|Authentication-results:||sj-dkim-1; header.Fromfirstname.lastname@example.org; dkim=pass ( sig from cisco.com/sjdkim1004 verified; );|
|Dkim-signature:||v=1; a=rsa-sha256; q=dns/txt; l=1012; t=1203535235; x=1204399235; c=relaxed/simple; s=sjdkim1004; h=Content-Type:From:Subject:Content-Transfer-Encoding:MIME-Version; d=cisco.com; email@example.com; z=From:=20David=20VomLehn=20<firstname.lastname@example.org> |Subject:=20Re=3A=20Does=20HIGHMEM=20work=20on=2032-bit=20M IPS=20ports? |Sender:=20; bh=fdlKmnPPaTIDqN6RSn6d2/XzjLBNPmfG8LWQkG/iM7A=; b=XT8XApEHIpydW15nFQHLzltbXc6i4LsETqS+WDB7tD2vnvlWWxzMcy5+Zn nNZFuUBXRRjXs3yNeAK9T+kSaWd2DKr67FqnxPGduZANzAV3dGdMdhTW3bOs FRlEeT3tCgCGhvoryiXQta80MGIjFTH3j+eJWZCKG/jUJtPW08fFc=;|
|User-agent:||Thunderbird 220.127.116.11 (X11/20071031)|
> 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, email@example.comThe opinions expressed herein are likely mine, but might not be my employer's...
|<Prev in Thread]||Current Thread||[Next in Thread>|
|Previous by Date:||Re: Does HIGHMEM work on 32-bit MIPS ports?, Ralf Baechle|
|Next by Date:||Tickless feature of 2.6.24 kernel on MIPS ?, Shailesh Suman|
|Previous by Thread:||Re: Does HIGHMEM work on 32-bit MIPS ports?, Ralf Baechle|
|Next by Thread:||Re: Does HIGHMEM work on 32-bit MIPS ports?, Maciej W. Rozycki|
|Indexes:||[Date] [Thread] [Top] [All Lists]|