faster.
Good idea. The patch below implements your suggestion.
This has a consequence for patch 5/6 in this series, because it makes
this code be used in the path of the kexec_file_load and
kexec_load syscalls.
In the latter case, there's a call to copy_from_user and thus kmap_atomic
c
On Sat, 13 Aug 2016 00:18:23 -0300 Thiago Jung Bauermann
wrote:
> kexec_update_segment allows a given segment in kexec_image to have
> its contents updated. This is useful if the current kernel wants to
> send information to the next kernel that is up-to-date at the time of
> reboot.
>
> ...
>
kexec_update_segment allows a given segment in kexec_image to have
its contents updated. This is useful if the current kernel wants to
send information to the next kernel that is up-to-date at the time of
reboot.
Signed-off-by: Thiago Jung Bauermann
---
include/linux/kexec.h | 2 ++
kernel/kexe