linux-kernel - Re: [PATCH v3] ACPI / APEI: Suppress message if HEST not present

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Message-ID: <20170829150219.4gg3443phihudvbv@pd.tnic>
Date:   Tue, 29 Aug 2017 17:32:02 +0200
From:   Borislav Petkov <bp@...e.de>
To:     Punit Agrawal <punit.agrawal@....com>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, lorenzo.pieralisi@....com,
        sudeep.holla@....com, linux-kernel@...r.kernel.org,
        James Morse <james.morse@....com>
Subject: Re: [PATCH v3] ACPI / APEI: Suppress message if HEST not present

On Tue, Aug 29, 2017 at 02:20:20PM +0100, Punit Agrawal wrote:
> According to the ACPI specification, firmware is not required to provide
> the Hardware Error Source Table (HEST). When HEST is not present, the
> following superfluous message is printed to the kernel boot log -
> 
> [    3.460067] GHES: HEST is not enabled!
> 
> Extend hest_disable variable to track whether the firmware provides this
> table and if it is not present skip any log output. The existing
> behaviour is preserved in all other cases.
> 
> Suggested-by: Borislav Petkov <bp@...e.de>
> Signed-off-by: Punit Agrawal <punit.agrawal@....com>
> Cc: Borislav Petkov <bp@...e.de>
> Cc: James Morse <james.morse@....com>
> ---
> 
> Changes in v3:
> * Grouped hest_disable status checking into a switch/case for clarity
> 
>  drivers/acpi/apei/ghes.c |  7 ++++++-
>  drivers/acpi/apei/hest.c | 13 +++++++------
>  include/acpi/apei.h      |  8 +++++++-
>  3 files changed, 20 insertions(+), 8 deletions(-)

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

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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