evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

arm64: kvm: eliminate literal pool entries

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/arm64/kvm/hyp.S
View file

@ -761,10 +761,10 @@
.macro activate_traps .macro activate_traps
ldr x2, [x0, #VCPU_HCR_EL2] ldr x2, [x0, #VCPU_HCR_EL2]
msr hcr_el2, x2 msr hcr_el2, x2
ldr x2, =(CPTR_EL2_TTA) mov x2, #CPTR_EL2_TTA
msr cptr_el2, x2 msr cptr_el2, x2
ldr x2, =(1 << 15) // Trap CP15 Cr=15 mov x2, #(1 << 15) // Trap CP15 Cr=15
msr hstr_el2, x2 msr hstr_el2, x2
mrs x2, mdcr_el2 mrs x2, mdcr_el2