Messages in this thread | | | Date | Wed, 06 Jun 2012 09:36:52 +0800 | From | Chen Gong <> | Subject | Re: [patch 2/2] x86: mce: Implement cmci poll mode for intel machines |
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于 2012/6/5 20:57, Borislav Petkov 写道: > On Tue, Jun 05, 2012 at 07:47:20PM +0800, Chen Gong wrote: >>> static void intel_threshold_interrupt(void) >>> { >>> + if (cmci_storm_detect()) >>> + return; >>> machine_check_poll(MCP_TIMESTAMP, &__get_cpu_var(mce_banks_owned)); >>> mce_notify_irq(); >>> } >> I think cmci_storm_detect should be placed in the machine_check_poll, >> not out of it. Because machine_check_poll it the core execution logic >> for CMCI handling, in the meanwhile, poll timer and mce-inject module >> call machine_check_poll at any time. > Are you saying you need CMCI throttling for when you inject MCEs?
Yes, I am just afraid similar situation happening when injecting MCEs or poll timer running too fast, which is like a pseduo CMCI storm. Maybe similar logic behind CMCI_STORM can be used there.
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