[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH] HVM vcpu hotplug: Fix acpi method NTFY bug
Keir Fraser wrote: > On 01/02/2010 11:21, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote: > >> 5. a simple way to solve the issue is, to make sure scan loop of >> NTFY = scan loop of PRSC, and to make sure NTFY always scan 2^n >> vcpus. However, NTFY scan loop may change in the future, not >> necessary equal to 2^n, and not necessary equal to scan loop of >> PRSC. That's the reason why I use for() loop inside of >> decision_tree() in method NTFY at the patch I send Jan >> 27. It will work correctly under whatever conditions, and keep >> mk_dsdt.c easier to understand. Decision_tree indeed reduce scan >> greatly, but it's not in key path. > > Ah, now I understand! > > Okay, how about the attached patch? This fixes the bug by inlining > NTFY into PRSC, and also uses HVM_MAX_VCPUS as appropriate. > > Please take a look and also test it. I'll apply it if/when you Ack it. > > -- Keir Keir, It's really good to merge NTFY with PRSC, it's easy to understand and effective! I just change a little, as attached 01-dsdt. I test these 2 patches, it's OK. Thanks, Jinsong Attachment:
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