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KVM/riscv fixes for 6.0, take #1

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- Fix unused variable warnings in vcpu_timer.c
 - Move extern sbi_ext declarations to a header
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Merge tag 'kvm-riscv-fixes-6.0-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv fixes for 6.0, take #1

- Fix unused variable warnings in vcpu_timer.c
- Move extern sbi_ext declarations to a header
This commit is contained in:
Paolo Bonzini 2022-09-01 19:21:09 -04:00
commit 35906d23cf
3 changed files with 13 additions and 15 deletions
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12
arch/riscv/include/asm/kvm_vcpu_sbi.h
View File

@ -33,4 +33,16 @@ void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu,
u32 type, u64 flags);
const struct kvm_vcpu_sbi_extension *kvm_vcpu_sbi_find_ext(unsigned long extid);
#ifdef CONFIG_RISCV_SBI_V01
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_v01;
#endif
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_base;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_time;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_ipi;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_rfence;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_srst;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_hsm;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_experimental;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_vendor;
#endif /* __RISCV_KVM_VCPU_SBI_H__ */

12
arch/riscv/kvm/vcpu_sbi.c
View File

@ -32,23 +32,13 @@ static int kvm_linux_err_map_sbi(int err)
};
}
#ifdef CONFIG_RISCV_SBI_V01
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_v01;
#else
#ifndef CONFIG_RISCV_SBI_V01
static const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_v01 = {
.extid_start = -1UL,
.extid_end = -1UL,
.handler = NULL,
};
#endif
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_base;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_time;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_ipi;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_rfence;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_srst;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_hsm;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_experimental;
extern const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_vendor;
static const struct kvm_vcpu_sbi_extension *sbi_ext[] = {
&vcpu_sbi_ext_v01,

4
arch/riscv/kvm/vcpu_timer.c
View File

@ -299,7 +299,6 @@ static void kvm_riscv_vcpu_update_timedelta(struct kvm_vcpu *vcpu)
void kvm_riscv_vcpu_timer_restore(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu_csr *csr;
struct kvm_vcpu_timer *t = &vcpu->arch.timer;
kvm_riscv_vcpu_update_timedelta(vcpu);
@ -307,7 +306,6 @@ void kvm_riscv_vcpu_timer_restore(struct kvm_vcpu *vcpu)
if (!t->sstc_enabled)
return;
csr = &vcpu->arch.guest_csr;
#if defined(CONFIG_32BIT)
csr_write(CSR_VSTIMECMP, (u32)t->next_cycles);
csr_write(CSR_VSTIMECMPH, (u32)(t->next_cycles >> 32));
@ -324,13 +322,11 @@ void kvm_riscv_vcpu_timer_restore(struct kvm_vcpu *vcpu)
void kvm_riscv_vcpu_timer_save(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu_csr *csr;
struct kvm_vcpu_timer *t = &vcpu->arch.timer;
if (!t->sstc_enabled)
return;
csr = &vcpu->arch.guest_csr;
t = &vcpu->arch.timer;
#if defined(CONFIG_32BIT)
t->next_cycles = csr_read(CSR_VSTIMECMP);