From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>
In order to read or write to coproc regiter, the
access function is should allow the coproc_param to be non
constant.
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxx>
---
arch/arm/kvm/coproc.c | 20 ++++++++++----------
arch/arm/kvm/coproc.h | 4 ++--
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 3e5e419..5753926 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -113,7 +113,7 @@ static void reset_mpidr(struct kvm_vcpu *vcpu, const struct coproc_reg *r)
/* TRM entries A7:4.3.31 A15:4.3.28 - RO WI */
static bool access_actlr(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -125,7 +125,7 @@ static bool access_actlr(struct kvm_vcpu *vcpu,
/* TRM entries A7:4.3.56, A15:4.3.60 - R/O. */
static bool access_cbar(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -135,7 +135,7 @@ static bool access_cbar(struct kvm_vcpu *vcpu,
/* TRM entries A7:4.3.49, A15:4.3.48 - R/O WI */
static bool access_l2ctlr(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -181,7 +181,7 @@ static void reset_actlr(struct kvm_vcpu *vcpu, const struct coproc_reg *r)
* R/O WI (even if NSACR.NS_L2ERR, a write of 1 is ignored).
*/
static bool access_l2ectlr(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -195,7 +195,7 @@ static bool access_l2ectlr(struct kvm_vcpu *vcpu,
* See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized).
*/
static bool access_dcsw(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (!p->is_write)
@@ -213,7 +213,7 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
* Used by the cpu-specific code.
*/
bool access_vm_reg(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
bool was_enabled = vcpu_has_cache_enabled(vcpu);
@@ -229,7 +229,7 @@ bool access_vm_reg(struct kvm_vcpu *vcpu,
}
static bool access_gic_sgi(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
u64 reg;
@@ -246,7 +246,7 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu,
}
static bool access_gic_sre(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -267,7 +267,7 @@ static bool access_gic_sre(struct kvm_vcpu *vcpu,
* all PM registers, which doesn't crash the guest kernel at least.
*/
static bool pm_fake(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r)
{
if (p->is_write)
@@ -480,7 +480,7 @@ static const struct coproc_reg *find_reg(const struct coproc_params *params,
}
static int emulate_cp15(struct kvm_vcpu *vcpu,
- const struct coproc_params *params)
+ struct coproc_params *params)
{
size_t num;
const struct coproc_reg *table, *r;
diff --git a/arch/arm/kvm/coproc.h b/arch/arm/kvm/coproc.h
index eef1759..bbeff2a 100644
--- a/arch/arm/kvm/coproc.h
+++ b/arch/arm/kvm/coproc.h
@@ -41,7 +41,7 @@ struct coproc_reg {
/* Trapped access from guest, if non-NULL. */
bool (*access)(struct kvm_vcpu *,
- const struct coproc_params *,
+ struct coproc_params *,
const struct coproc_reg *);
/* Initialization for vcpu. */
@@ -154,7 +154,7 @@ static inline int cmp_reg(const struct coproc_reg *i1,
#define is32 .is_64bit = false
bool access_vm_reg(struct kvm_vcpu *vcpu,
- const struct coproc_params *p,
+ struct coproc_params *p,
const struct coproc_reg *r);
#endif /* __ARM_KVM_COPROC_LOCAL_H__ */
--
1.9.1
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