forked from Minki/linux
arm64: proc: de-scope TLBI operation during cold boot
When cold-booting a CPU, we must invalidate any junk entries from the local TLB prior to enabling the MMU. This doesn't require broadcasting within the inner-shareable domain, so de-scope the operation to apply only to the local CPU. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -146,8 +146,8 @@ ENDPROC(cpu_do_switch_mm)
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* value of the SCTLR_EL1 register.
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*/
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ENTRY(__cpu_setup)
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tlbi vmalle1is // invalidate I + D TLBs
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dsb ish
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tlbi vmalle1 // Invalidate local TLB
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dsb nsh
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mov x0, #3 << 20
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msr cpacr_el1, x0 // Enable FP/ASIMD
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