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Tao Cui 9296375902 LoongArch: KVM: Fix TOCTOU race on pv_features 
In kvm_loongarch_cpucfg_set_attr() the check-then-set on
kvm->arch.pv_features is lockless, so two vCPUs can race past the
validation and set different values. Add a spinlock to protect it.

Cc: stable@vger.kernel.org
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Tao Cui <cuitao@kylinos.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2026-09-04 21:45:13 +08:00
..
asm LoongArch: KVM: Fix TOCTOU race on pv_features 2026-09-04 21:45:13 +08:00
uapi/asm LoongArch changes for v7.1 2026-04-24 09:54:45 -07:00