[PATCH v5 14/27] KVM: arm64: Make ID registers without id_reg_info writable
Reiji Watanabe
reijiw at google.com
Sun Feb 13 22:57:33 PST 2022
Make ID registers that don't have id_reg_info writable.
Signed-off-by: Reiji Watanabe <reijiw at google.com>
---
arch/arm64/kvm/sys_regs.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index fea7b49018b2..9d7041a10b41 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1909,11 +1909,8 @@ static int __set_id_reg(struct kvm_vcpu *vcpu,
/* The value is same as the current value. Nothing to do. */
return 0;
- /*
- * Don't allow to modify the register's value if the register is raz,
- * or the reg doesn't have the id_reg_info.
- */
- if (raz || !GET_ID_REG_INFO(encoding))
+ /* Don't allow to modify the register's value if the register is raz. */
+ if (raz)
return -EINVAL;
/*
--
2.35.1.265.g69c8d7142f-goog
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