Re: [PATCHV3 1/3] x86, ras: Add new infrastructure for machine check fixup tables

From: Borislav Petkov <bp@alien8.de>
To: Tony Luck <tony.luck@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Elliott@pd.tnic, Robert <elliott@hpe.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-nvdimm@ml01.01.org, x86@kernel.org
Subject: Re: [PATCHV3 1/3] x86, ras: Add new infrastructure for machine check fixup tables
Date: Tue, 22 Dec 2015 12:13:58 +0100	[thread overview]
Message-ID: <20151222111357.GC3728@pd.tnic> (raw)
In-Reply-To: <2e91c18f23be90b33c2cbfff6cce6b6f50592a96.1450283985.git.tony.luck@intel.com>

On Tue, Dec 15, 2015 at 05:29:30PM -0800, Tony Luck wrote:
> Copy the existing page fault fixup mechanisms to create a new table
> to be used when fixing machine checks. Note:
> 1) At this time we only provide a macro to annotate assembly code
> 2) We assume all fixups will in code builtin to the kernel.
> 3) Only for x86_64
> 4) New code under CONFIG_MCE_KERNEL_RECOVERY (default 'n')
> 
> Signed-off-by: Tony Luck <tony.luck@intel.com>
> ---
>  arch/x86/Kconfig                  | 10 ++++++++++
>  arch/x86/include/asm/asm.h        | 10 ++++++++--
>  arch/x86/include/asm/mce.h        | 14 ++++++++++++++
>  arch/x86/kernel/cpu/mcheck/mce.c  | 16 ++++++++++++++++
>  arch/x86/kernel/vmlinux.lds.S     |  6 +++++-
>  arch/x86/mm/extable.c             | 19 +++++++++++++++++++
>  include/asm-generic/vmlinux.lds.h | 12 +++++++-----
>  7 files changed, 79 insertions(+), 8 deletions(-)

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

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