arm64: KVM: CPU specific 32bit coprocessor access

Enable handling of CPU specific 32bit coprocessor access. Not much
here either.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
(cherry picked from commit 06c7654d2fb8bac7b1af4340ad59434a5d89b86a)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index d4e8039073123d8efc49f17357e46ee3985cbc93..4268ab9356b1f00e98ca022b207add3b8830fa33 100644 (file)
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -59,11 +59,21 @@ static const struct sys_reg_desc genericv8_sys_regs[] = {
          access_actlr, reset_actlr, ACTLR_EL1 },
 };
 
+static const struct sys_reg_desc genericv8_cp15_regs[] = {
+       /* ACTLR */
+       { Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b001),
+         access_actlr },
+};
+
 static struct kvm_sys_reg_target_table genericv8_target_table = {
        .table64 = {
                .table = genericv8_sys_regs,
                .num = ARRAY_SIZE(genericv8_sys_regs),
        },
+       .table32 = {
+               .table = genericv8_cp15_regs,
+               .num = ARRAY_SIZE(genericv8_cp15_regs),
+       },
 };
 
 static int __init sys_reg_genericv8_init(void)