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arm64: kvm: eliminate literal pool entries

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Replace two instances of 'ldr xN, =(constant)' in the world switch
hot path with 'mov' instructions.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Ard Biesheuvel 2014-11-07 14:12:34 +00:00 • committed by Will Deacon
parent f1ba46ee78
commit 302cd37c41
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/kvm/hyp.S
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@ -761,10 +761,10 @@
.macro activate_traps
ldr x2, [x0, #VCPU_HCR_EL2]
msr hcr_el2, x2
ldr x2, =(CPTR_EL2_TTA)
mov x2, #CPTR_EL2_TTA
msr cptr_el2, x2
ldr x2, =(1 << 15) // Trap CP15 Cr=15
mov x2, #(1 << 15) // Trap CP15 Cr=15
msr hstr_el2, x2
mrs x2, mdcr_el2