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authorZhichao Huang <zhichao.huang@linaro.org>2017-05-11 14:46:12 +0200
committerChristoffer Dall <cdall@linaro.org>2017-05-15 14:29:27 +0200
commit9b619a8f08da9f61f166edbbe30ad05c359ec19e (patch)
treec9e70d5fb7d5aae8697b3d1153b3b8a8bfb4339f /arch
parentKVM: arm: plug potential guest hardware debug leakage (diff)
downloadlinux-9b619a8f08da9f61f166edbbe30ad05c359ec19e.tar.xz
linux-9b619a8f08da9f61f166edbbe30ad05c359ec19e.zip
KVM: arm: rename pm_fake handler to trap_raz_wi
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kvm/coproc.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 1403ffb1916b..6d1d2e26dfe5 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -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));