[PATCH v2 05/22] KVM: ARM64: Add a helper for CP15 registers reset to UNKNOWN
From: Marc Zyngier <hidden>
Date: 2015-09-11 10:16:07
Also in:
kvm, kvmarm
On 11/09/15 09:54, Shannon Zhao wrote:
quoted hunk ↗ jump to hunk
From: Shannon Zhao <redacted> Signed-off-by: Shannon Zhao <redacted> --- arch/arm64/kvm/sys_regs.h | 8 ++++++++ 1 file changed, 8 insertions(+)diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index d411e25..a0b3811 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h@@ -104,6 +104,14 @@ static inline void reset_unknown(struct kvm_vcpu *vcpu, vcpu_sys_reg(vcpu, r->reg) = 0x1de7ec7edbadc0deULL; } +static inline void reset_unknown_cp15(struct kvm_vcpu *vcpu, + const struct sys_reg_desc *r) +{ + BUG_ON(!r->reg); + BUG_ON(r->reg >= NR_COPRO_REGS); + vcpu_cp15(vcpu, r->reg) = 0xdecafbad;
Given how many times we use this constant, maybe we should consider having a #define for it? Thanks, M. -- Jazz is not dead. It just smells funny...