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um: Stop tracking virtual CPUs via mm_cpumask()
authorTiwei Bie <tiwei.btw@antgroup.com>
Sun, 10 Aug 2025 05:51:27 +0000 (13:51 +0800)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 10 Sep 2025 12:23:53 +0000 (14:23 +0200)
commita73a9aad8a81934ab50201ba23107fd321612caf
tree682736d226340b5002ff6bfa6ed4d0b0585a4396tree | snapshot
parente047f9af9d6948728614f7eea41ba53d5b767e9fcommit | diff
um: Stop tracking virtual CPUs via mm_cpumask()

In UML, each user address space is represented as a separate stub
process on the host. Therefore, user address spaces do not require
TLB management on UML virtual CPUs, and it's unnecessary to track
which virtual CPUs they have executed on.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
arch/um/include/asm/mmu_context.h diff | blob | blame | history
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