Hi,

Refer https://lore.kernel.org/all/alpine.DEB.2.22.394.2312071341540.1265976@ubuntu-linux-20-04-desktop/T/
for the previous discussion on this issue.

Also, the linux earlycon hvc driver has been fixed.
See https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=0ec058ece2f933aed66b76bd5cb9b5e6764853c3

Changes from v1:-
1. Split the change across 3 patches as per the design consensus.

v2 :-
1. Reordered the patches.

v3 :- 
1. Change mentioned in individual patches.

Ayan Kumar Halder (2):
  xen/arm: Introduce CONFIG_PARTIAL_EMULATION and "partial-emulation"
    cmd option
  xen/arm: arm32: Add emulation of Debug Data Transfer Registers

Michal Orzel (1):
  xen/arm: arm64: Add emulation of Debug Data Transfer Registers

 docs/misc/xen-command-line.pandoc    | 11 +++++++++
 xen/arch/arm/Kconfig                 |  9 +++++++
 xen/arch/arm/arm64/vsysreg.c         | 28 ++++++++++++++++++----
 xen/arch/arm/include/asm/arm64/hsr.h |  3 +++
 xen/arch/arm/include/asm/cpregs.h    |  2 ++
 xen/arch/arm/include/asm/traps.h     |  6 +++++
 xen/arch/arm/traps.c                 |  9 +++++++
 xen/arch/arm/vcpreg.c                | 35 ++++++++++++++++++++--------
 8 files changed, 89 insertions(+), 14 deletions(-)

-- 
2.25.1