Re: [PATCH 2/3] x86/mce: Pack boolean MCE flags into a structure

From: Joe Perches
Date: Wed Sep 05 2012 - 13:15:19 EST


On Wed, 2012-09-05 at 15:52 +0530, Naveen N. Rao wrote:
> Many MCE flags are boolean in nature, but are declared as integers
> currently. We can pack these into a bitfield to save some space.
[]
> diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
[]
> @@ -11,6 +11,15 @@ enum severity_level {
> MCE_PANIC_SEVERITY,
> };
>
> +struct mce_config {
> + __u32 cmci_disabled : 1,
> + ignore_ce : 1,
> + dont_log_ce : 1,
> + __pad : 29;

You don't need to declare __pad
Perhaps bool:1 instead.

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