Re: [PATCH 2/4] x86/mce/amd: Introduce deferred error interrupt handler

From: Andy Lutomirski
Date: Thu Apr 30 2015 - 16:41:56 EST

On Thu, Apr 30, 2015 at 7:49 AM, Aravind Gopalakrishnan
<Aravind.Gopalakrishnan@xxxxxxx> wrote:
> Changes introduced in the patch-
> - Assign vector number 0xf4 for Deferred errors
> - Declare deferred_interrupt, allocate gate and bind it
> - Declare smp_deferred_interrupt to be used as the
> entry point for the interrupt in mce_amd.c
> - Define trace_deferred_interrupt for tracing
> - Enable deferred error interrupt selectively upon detection
> of 'succor' bitfield
> - Setup amd_deferred_error_interrupt() to handle the interrupt
> and assign it to def_int_vector if feature is present in HW.
> Else, let default handler deal with it.
> - Provide Deferred error interrupt stats on
> /proc/interrupts by incrementing irq_deferred_count

You're calling these "deferred interrupts" all over (e.g.
irq_deferred_count, deferred_int_handler, etc). That seems like it'll
be confusing. They're deferred errors, not deferred interrupts.

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