Messages in this thread | | | From | Punit Agrawal <> | Subject | Re: [PATCH] ACPI/APEI: Add BERT data driver | Date | Tue, 15 Aug 2017 11:22:06 +0100 |
| |
Hi Tony,
"Luck, Tony" <tony.luck@intel.com> writes:
> From: Tony Luck <tony.luck@intel.com> > > The ACPI Boot Error Record Table provides a method for platform > firmware to give information to the operating system about error > that occurred prior to boot (of particular interest are problems > that caused the previous OS instance to crash). > > The BERT table simply provides the size and address of the error > record in BIOS reserved memory. In an earlier age we might have > used /dev/mem to retrieve this error record, but many systems > disable /dev/mem for security reasons. > > This driver provides read-only access to the data via a character > special device "/dev/bert-data".
There is already a bert driver which prints the error record. Would it make sense to integrate the character device there instead of creating a new driver?
[...]
| |