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Claudio Imbrenda 6f73517d0a KVM: s390: pv: refactor s390_reset_acc

Refactor s390_reset_acc so that it can be reused in upcoming patches.

We don't want to hold all the locks used in a walk_page_range for too
long, and the destroy page UVC does take some time to complete.
Therefore we quickly gather the pages to destroy, and then destroy them
without holding all the locks.

The new refactored function optionally allows to return early without
completing if a fatal signal is pending (and return and appropriate
error code). Two wrappers are provided to call the new function.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Nico Boehr <nrb@linux.ibm.com>
Link: https://lore.kernel.org/r/20220628135619.32410-5-imbrenda@linux.ibm.com
Message-Id: <20220628135619.32410-5-imbrenda@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>

2022-07-13 14:42:11 +00:00

cmm.c

s390/cmm: add missing virt_to_phys() conversion

2021-12-10 16:14:25 +01:00

dump_pagetables.c

s390: add support for BEAR enhancement facility

2021-10-26 15:21:29 +02:00

extable.c

s390/uaccess: use exception handler to zero result on get_user() failure

2022-06-01 12:03:17 +02:00

extmem.c

s390/extmem: remove stale -ENOSPC comment and handling