On Thu, Aug 31, 2017 at 01:36:37PM -0600, Toshi Kani wrote:
> The ghes_edac driver was introduced in 2013 [1], but it has not
> been enabled by any distro yet. This driver obtains error info
> from firmware interfaces, which are not properly implemented on
> many platforms, as the driver always emits the messages below:
>
> This EDAC driver relies on BIOS to enumerate memory and get error reports.
> Unfortunately, not all BIOSes reflect the memory layout correctly
> So, the end result of using this driver varies from vendor to vendor
> If you find incorrect reports, please contact your hardware vendor
> to correct its BIOS.
>
> To get out from this situation, add a platform check to selectively
> enable the driver on the platforms that are known to have proper
> firmware implementation. Platform vendors can add their platforms
> to the list when they support ghes_edac.
>
> "ghes_edac.force_load=1" skips this platform check.
>
> [1]: https://lwn.net/Articles/538438/
> Signed-off-by: Toshi Kani <toshi.k...@hpe.com>
> Cc: Borislav Petkov <b...@alien8.de>
> Cc: Mauro Carvalho Chehab <mche...@kernel.org>
> Cc: Tony Luck <tony.l...@intel.com>
> ---
> v5
> - Remove prefix from 'force_load'
> - Update comment of force_load option
> ---
> drivers/edac/ghes_edac.c | 28 +++++++++++++++++++++++-----
> 1 file changed, 23 insertions(+), 5 deletions(-)
Applied, thanks.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
