Messages in this thread | | | Date | Fri, 24 Jun 2005 21:31:12 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [RFC] Fix SMP brokenness for PF_FREEZE and make freezing usable for other purposes |
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On Sat, 25 Jun 2005, Pavel Machek wrote:
> > I only know that this boots correctly since I have no system that can do > > suspend. But Ray needs an effective means of process suspension for > > his process migration patches. > > Any i386 or x86-64 machine can do suspend... It should be easy to get > some notebook... [What kind of hardware are you working on normally?]
Umm... Sorry to be so negative but that has never worked for me on lots of laptops. Usually something with ACPI or some driver I guess... After awhile I gave up trying.
> > But is this the correct way to fix this? > It includes whitespace changes and most of patch is nice cleanup that > should probably go in separately. (Hint hint :-).
Ok.
> Previous code had important property: try_to_freeze was optimized away > in !CONFIG_PM case. Please keep that.
Obviously that will not work if we use try_to_freeze for non-power-management purposes. The code from kernel/power/process.c may have to be merged into some other kernel file. kernel/sched.c?
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