Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: [git pull] PCI updates for 2.6.26 | Date | Tue, 29 Apr 2008 14:32:19 -0700 |
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On Tuesday, April 29, 2008 1:26 pm Ingo Molnar wrote: > * Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > > Nothing really major here: some bug fixes, documentation fixes and > > some trivial stuff for 2.6.26. Some of the more important changes are > > actually coming in through Ingo's "big box" tree, so the excitement > > (and risk) level here should be pretty low. > > i see they are now both upstream and the combination mixed well :) > > there are a few other PCI items in x86.git btw that you might want to > have a look at and which you might want to pick up into your tree - they > dont really belong into x86.git. > > one would be the patch below - it gives us a boot option to enable a lot > more port IO resource space on modern (large) systems, and increases the > maximum number of PCI cards that Linux can support. > > given that true ISA cards with port decode mirroring problems are > history on new systems, shouldnt this DMI opt-in feature be a > default-enabled thing instead somehow? DMI really sucks for sane > features, it does not scale at all as it always lags behind reality. > > Can we discover it in a robust way that the system has no chance for ISA > cards and turn the tighter non-ISA alignment of port resources on > automatically? [for cases where Linux does the port allocation and > sizing]
Hm, there's some ISA stuff in ACPI, but I'm not sure how reliable that would be... I'll take a look through some chipset manuals.
Jesse
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