[RFC][PATCH 0/2 -mm] kexec based hibernation
Eric W. Biederman
ebiederm at xmission.com
Mon Aug 27 09:05:41 EDT 2007
Pavel Machek <pavel at ucw.cz> writes:
>> > Does this make sense?
>> Yes, this is a sensible optimization. But I think it may be better to
>> make bootloader load kernel D directly into a specified memory location.
>> For example, we can add a option to "kernel" command of grub.
>> And, I think we can do more in bootloader. Such as we can prepare
> Yes, that would be nice.
> It will mean quite a bit of work, but I guess it should be the long
> term goal. Loading restore kernel directly from bootloader means:
> 1) it is fast -- no need to boot another kernel
> 2) it is "classical" way of doing things
> On the other hand, we loose flexibility that way:
> 1) it locks you onto one bootloader
> 2) you no longer have userland there to do uncompression, decryption,
True although for the uncompression and decryption those aren't exactly foreign
requirements for bootloaders.
More information about the kexec