On 12 December 2013 06:08, Mikulas Patocka <mpatocka@xxxxxxxxxx> wrote: > During frequency transition the processor is in "EPM Stop Grant" state. > The documentation says that the processor doesn't respond to inquiry > requests in this state. Consequently, coherency of processor caches and > bus master devices is not maintained, causing the system instability. > > This patch flushes the cache during frequency transition. It fixes the > instability. I don't have much idea of these systems but wouldn't this affect performance badly? -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
