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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] x86/HPET: don't disable interrupt delivery right after setting it up
>>> On 27.09.12 at 16:49, Malcolm Crossley <malcolm.crossley@xxxxxxxxxx> wrote: > On 27/09/12 15:40, Jan Beulich wrote: >> We shouldn't clear HPET_TN_FSB right after we (indirectly, via >> request_irq()) enabled it for the channels we intend to use for >> broadcasts. >> >> This fixes a regression introduced by c/s 25103:0b0e42dc4f0a. >> >> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> >> --- >> This fixes the MWAIT idle driver problem on the box that I was able to >> (artificially) reproduce it with. Hence I subsequently intend to revert >> 25960:6bf8b882df8f, but I'm not intending to do this before getting a >> push there. >> >> I'm surprised that this didn't hit anyone so far with the ACPI-based >> idle driver... > Good catch Jan, Does this fix need backporting to Xen 4.2 and 4.1? Definitely to 4.2. Didn't check yet whether the offending patch got backported to 4.1. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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