Re: [PATCH v9 2/4] x86, mce: Check for faults tagged in EXTABLE_CLASS_FAULT exception table entries

From: Borislav Petkov
Date: Thu Feb 04 2016 - 08:10:58 EST


On Thu, Dec 31, 2015 at 11:40:27AM -0800, Tony Luck wrote:
> Extend the severity checking code to add a new context IN_KERN_RECOV
> which is used to indicate that the machine check was triggered by code
> in the kernel with a EXTABLE_CLASS_FAULT fixup entry.
>
> Major re-work to the tail code in do_machine_check() to make all this
> readable/maintainable. One functional change is that tolerant=3 no longer
> stops recovery actions. Revert to only skipping sending SIGBUS to the
> current process.
>
> Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
> ---
> arch/x86/kernel/cpu/mcheck/mce-severity.c | 23 +++++++++-
> arch/x86/kernel/cpu/mcheck/mce.c | 71 ++++++++++++++++---------------
> 2 files changed, 58 insertions(+), 36 deletions(-)
>
> diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c
> index 9c682c222071..bca8b3936740 100644
> --- a/arch/x86/kernel/cpu/mcheck/mce-severity.c
> +++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c
> @@ -13,7 +13,9 @@
> #include <linux/seq_file.h>
> #include <linux/init.h>
> #include <linux/debugfs.h>
> +#include <linux/module.h>

That module.h include is not needed anymore, right?

You have the same in mce.c too.

--
Regards/Gruss,
Boris.

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