[PATCH net-next v4 1/3] vmcore: add API to collect hardware dump in second kernel
gregkh at linuxfoundation.org
Thu Apr 19 01:24:56 PDT 2018
On Tue, Apr 17, 2018 at 01:14:17PM +0530, Rahul Lakkireddy wrote:
> +config PROC_VMCORE_DEVICE_DUMP
> + bool "Device Hardware/Firmware Log Collection"
> + depends on PROC_VMCORE
> + default y
Only things that require the machine to keep working should be 'default
y', please remove this, it's an option.
> + help
> + Device drivers can collect the device specific snapshot of
> + their hardware or firmware before they are initialized in
> + crash recovery kernel. If you say Y here, the device dumps
> + will be added as ELF notes to /proc/vmcore
Which exact "device drivers" are you referring to here?
More information about the kexec