Re: [PATCH v5 1/7] s390/uv: Always export uv_info

From: Janosch Frank
Date: Fri Jun 16 2023 - 04:56:30 EST


On 6/15/23 12:05, Steffen Eiden wrote:
KVM needs the struct's values to be able to provide PV support.

The uvdevice is currently guest only and will need the struct's values
for call support checking and potential future expansions.

As uv.c is only compiled with CONFIG_PGSTE or
CONFIG_PROTECTED_VIRTUALIZATION_GUEST we don't need a second check in
the code. Users of uv_info will need to fence for these two config
options for the time being.

Signed-off-by: Steffen Eiden <seiden@xxxxxxxxxxxxx>

Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>

In the long term we'll remove the config checks and always compile uv.o in kernel/ and boot/ so we won't be running in these issues again.