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authorJordan Crouse <jordan.crouse@amd.com>2008-01-22 23:30:16 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-22 23:30:16 +0100
commit667984d9e481e43a930a478c588dced98cb61fea (patch)
tree46d16e4d45ebdaca7b01c593bd19d049776568d9 /drivers/edac
parent889c94a14e38e749c8060f597ee7825ea0764229 (diff)
x86: GEODE fix a race condition in the MFGPT timer tick
When we set the MFGPT timer tick, there is a chance that we'll immediately assert an event. If for some reason the IRQ routing for this clock has been setup for some other purpose, then we could end up firing an interrupt into the SMM handler or worse. This rearranges the timer tick init function to initalize the handler before we set up the MFGPT clock to make sure that even if we get an event, it will go to the handler. Furthermore, in the handler we need to make sure that we clear the event, even if the timer isn't running. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ingo Molnar <mingo@elte.hu> Tested-by: Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de>
Diffstat (limited to 'drivers/edac')
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