H. Peter Anvin wrote:
Rick Jones wrote:
Some more of my paranoid questions :)
So, if a driver tries to enable MSI and that is unsuccessful (I'll try
to avoid using the possibly loaded term "fails") shouldn't that show-up
_somewhere_?
It already does -- in /proc/interrupts.
But that is rather incidental isn't it? Would some sort of system health
monitor be likely to be checking that for interrupt flavors? And just looking
at /proc/interrupts, while it tells you what sort of interrupt is being used, it
doesn't (IIRC) say anything about what sort of interrupt the driver _tried_ to use.
rick jones
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