[PATCH] Handle additional e820 memmap type strings

Eric DeVolder eric.devolder at oracle.com
Sun May 14 16:28:15 PDT 2017


There have been no reviews of this patch yet; just bubbling it up to the 
top to gain some attention.

Regards,
eric

On 05/10/2017 11:03 AM, Eric DeVolder wrote:
> Keep pace with changes to linux arch/x86/kernel/e820.c to
> function e820_type_to_string(). With this change, the following
> messages from kexec are eliminated (and allows kexec to load):
>
>  Unknown type (Reserved) while parsing /sys/firmware/memmap/8/type.
>  Please report this as bug. Using RANGE_RESERVED now.
>
>  Unknown type (Unknown E820 type) while parsing /sys/firmware/memmap/4/type.
>  Please report this as bug. Using RANGE_RESERVED now.
>
> Signed-off-by: Eric DeVolder <eric.devolder at oracle.com>
> ---
>  kexec/firmware_memmap.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/kexec/firmware_memmap.c b/kexec/firmware_memmap.c
> index 4d84f00..1ee214a 100644
> --- a/kexec/firmware_memmap.c
> +++ b/kexec/firmware_memmap.c
> @@ -164,6 +164,10 @@ static int parse_memmap_entry(const char *entry, struct memory_range *range)
>  		range->type = RANGE_RESERVED;
>  	else if (strcmp(type, "reserved") == 0)
>  		range->type = RANGE_RESERVED;
> +	else if (strcmp(type, "Reserved") == 0)
> +		range->type = RANGE_RESERVED;
> +	else if (strcmp(type, "Unknown E820 type") == 0)
> +		range->type = RANGE_RESERVED;
>  	else if (strcmp(type, "ACPI Non-volatile Storage") == 0)
>  		range->type = RANGE_ACPI_NVS;
>  	else if (strcmp(type, "Uncached RAM") == 0)
>



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