Re: [Xen-devel] Xen-unstable: xen panic RIP: dpci_softirq

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.11.14 at 18:03, <linux@xxxxxxxxxxxxxx> wrote:
> Tuesday, November 18, 2014, 5:16:50 PM, you wrote:
>>  1) test_and_[set|clear]_bit sometimes return unexpected values.
>>     [But this might be invalid as the addition of the ffff8303faaf25a8
>>      might be correct - as the second dpci the softirq is processing
>>      could be the MSI one]
> 
> Would there be an easy way to stress test this function separately in some 
> debugging function to see if it indeed is returning unexpected values ?

I don't think there's a reasonable chance of these functions to return
"unexpected" values - they're being used elsewhere, and you'd have
had other problems in the past if they didn't behave as expected.

Jan


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