[PATCH v3 0/4] x86: Always try to fill acpi_rsdp_addr in boot params
kasong at redhat.com
Mon Jun 10 01:10:30 PDT 2019
On Fri, May 31, 2019 at 5:27 PM Simon Horman <horms at verge.net.au> wrote:
> On Fri, May 24, 2019 at 02:23:17PM +0800, Kairui Song wrote:
> > This patch sync the behavior of user space kexec and kexec_file_load,
> > they will both fill the boot_params.acpi_rsdp_addr with a valid RSDP
> > value, to make sure second kernel can always get the RSDP consistently.
> > This will make it effortless to boot newer version of kernel (5.0+)
> > without specifying acpi_rsdp= cmdline on EFI system even with EFI
> > service disabled. Should not change any behavior with older kernels.
> > Update from V2:
> > - Drop unneeded 'packed' attribute for boot parameters structure
> > - Don't trust kernel cmdline as a reliable acpi rsdp source
> > Update from V1:
> > - Split into multiple patches for a cleaner structure, content is not
> > changed.
> Thanks Kairui,
I still haven't see this series get merged yet in the git repo, any update?
More information about the kexec