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arm64: kvm: use inner-shareable barriers for inner-shareable maintenance
In order to ensure completion of inner-shareable maintenance instructions (cache and TLB) on AArch64, we can use the -ish suffix to the dsb instruction. This patch relaxes our dsb sy instructions to dsb ish where possible. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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