RE: [PATCH 0/2] Fix MSR access errors during kexec in root partition

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From: Anirudh Rayabharam <anrayabh@xxxxxxxxxxxxxxxxxxx> Sent: Wednesday, October 26, 2022 6:47 AM
> 
> Fixes a couple of MSR access errors seen during kexec in root partition
> and opportunistically introduces a data structure for the reference TSC
> MSR in order to simplify the code that updates that MSR.
> 
> Anirudh Rayabharam (2):
>   x86/hyperv: fix invalid writes to MSRs during root partition kexec
>   clocksource/drivers/hyperv: add data structure for reference TSC MSR

Could these two patches be sequenced in the opposite order, to avoid the
need to change the TSC code in hyperv_cleanup() twice?  The new
data structure for the Reference TSC MSR and clocksource driver changes
would be in the first patch.  Then the second patch would update
hyperv_cleanup() and could use the new data structure.

Michael

> 
>  arch/x86/hyperv/hv_init.c          | 11 +++++++----
>  drivers/clocksource/hyperv_timer.c | 28 ++++++++++++++--------------
>  include/asm-generic/hyperv-tlfs.h  |  9 +++++++++
>  3 files changed, 30 insertions(+), 18 deletions(-)
> 
> --
> 2.34.1





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