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KVM: arm: rename pm_fake handler to trap_raz_wi

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pm_fake doesn't quite describe what the handler does (ignoring writes
and returning 0 for reads).

As we're about to use it (a lot) in a different context, rename it
with a (admitedly cryptic) name that make sense for all users.

Signed-off-by: Zhichao Huang <zhichao.huang@linaro.org>
Reviewed-by: Alex Bennee <alex.bennee@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
This commit is contained in:
Zhichao Huang 2017-05-11 13:46:12 +01:00 • committed by Christoffer Dall
parent 661e6b02b5
commit 9b619a8f08
1 changed files with 16 additions and 16 deletions
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32
arch/arm/kvm/coproc.c
View file

@ -279,7 +279,7 @@ static bool access_gic_sre(struct kvm_vcpu *vcpu,
* must always support PMCCNTR (the cycle counter): we just RAZ/WI for
* all PM registers, which doesn't crash the guest kernel at least.
*/
static bool pm_fake(struct kvm_vcpu *vcpu,
static bool trap_raz_wi(struct kvm_vcpu *vcpu,
const struct coproc_params *p,
const struct coproc_reg *r)
{
@ -289,19 +289,19 @@ static bool pm_fake(struct kvm_vcpu *vcpu,
return read_zero(vcpu, p);
}
#define access_pmcr pm_fake
#define access_pmcntenset pm_fake
#define access_pmcntenclr pm_fake
#define access_pmovsr pm_fake
#define access_pmselr pm_fake
#define access_pmceid0 pm_fake
#define access_pmceid1 pm_fake
#define access_pmccntr pm_fake
#define access_pmxevtyper pm_fake
#define access_pmxevcntr pm_fake
#define access_pmuserenr pm_fake
#define access_pmintenset pm_fake
#define access_pmintenclr pm_fake
#define access_pmcr trap_raz_wi
#define access_pmcntenset trap_raz_wi
#define access_pmcntenclr trap_raz_wi
#define access_pmovsr trap_raz_wi
#define access_pmselr trap_raz_wi
#define access_pmceid0 trap_raz_wi
#define access_pmceid1 trap_raz_wi
#define access_pmccntr trap_raz_wi
#define access_pmxevtyper trap_raz_wi
#define access_pmxevcntr trap_raz_wi
#define access_pmuserenr trap_raz_wi
#define access_pmintenset trap_raz_wi
#define access_pmintenclr trap_raz_wi
/* Architected CP15 registers.
* CRn denotes the primary register number, but is copied to the CRm in the
@ -566,7 +566,7 @@ int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
struct coproc_params params = decode_64bit_hsr(vcpu);
/* raz_wi cp14 */
pm_fake(vcpu, &params, NULL);
trap_raz_wi(vcpu, &params, NULL);
/* handled */
kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
@ -621,7 +621,7 @@ int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
struct coproc_params params = decode_32bit_hsr(vcpu);
/* raz_wi cp14 */
pm_fake(vcpu, &params, NULL);
trap_raz_wi(vcpu, &params, NULL);
/* handled */
kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));