| Message ID | 20220915000448.1674802-3-vannapurve@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Execute hypercalls from guests according to cpu type | expand |
On Thu, Sep 15, 2022 at 12:04:42AM +0000, Vishal Annapurve wrote: > Introduce arch specific API: kvm_selftest_arch_init to allow each arch to > handle initialization before running any selftest logic. > > Suggested-by: Sean Christopherson <seanjc@google.com> > Signed-off-by: Vishal Annapurve <vannapurve@google.com> > --- > .../selftests/kvm/include/kvm_util_base.h | 5 +++++ > .../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++--------- > tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ > .../selftests/kvm/lib/riscv/processor.c | 4 ++++ > .../selftests/kvm/lib/s390x/processor.c | 4 ++++ > .../selftests/kvm/lib/x86_64/processor.c | 4 ++++ > 6 files changed, 28 insertions(+), 9 deletions(-) > > diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h > index 24fde97f6121..98edbbda9f97 100644 > --- a/tools/testing/selftests/kvm/include/kvm_util_base.h > +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h > @@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm) > return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0); > } > > +/* > + * API to execute architecture specific setup before executing selftest logic. > + */ > +void kvm_selftest_arch_init(void); > + > #endif /* SELFTEST_KVM_UTIL_BASE_H */ > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > index 6f5551368944..2281d6c5d02f 100644 > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > @@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, > close(kvm_fd); > } > > -/* > - * arm64 doesn't have a true default mode, so start by computing the > - * available IPA space and page sizes early. > - */ > -void __attribute__((constructor)) init_guest_modes(void) > -{ > - guest_modes_append_default(); > -} > - > void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, > uint64_t arg6, struct arm_smccc_res *res) > @@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > [arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6) > : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"); > } > + > +/* > + * arm64 doesn't have a true default mode, so start by computing the > + * available IPA space and page sizes early. > + */ It'd be better to move this comment inside the function above the guest_modes_append_default call. > +void kvm_selftest_arch_init(void) > +{ > + guest_modes_append_default(); > +} > diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c > index 3c83838999f5..dafe4471a6c7 100644 > --- a/tools/testing/selftests/kvm/lib/kvm_util.c > +++ b/tools/testing/selftests/kvm/lib/kvm_util.c > @@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void) > { > /* Tell stdout not to buffer its content. */ > setbuf(stdout, NULL); > + > + kvm_selftest_arch_init(); > } > diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c > index 604478151212..26660dd2ba78 100644 > --- a/tools/testing/selftests/kvm/lib/riscv/processor.c > +++ b/tools/testing/selftests/kvm/lib/riscv/processor.c > @@ -362,3 +362,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...) > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > { > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c > index 89d7340d9cbd..8654ec74009a 100644 > --- a/tools/testing/selftests/kvm/lib/s390x/processor.c > +++ b/tools/testing/selftests/kvm/lib/s390x/processor.c > @@ -218,3 +218,7 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent) > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > { > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c > index 2e6e61bbe81b..20bf125f9363 100644 > --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c > +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c > @@ -1311,3 +1311,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm) > > return val == 'Y'; > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > -- > 2.37.2.789.g6183377224-goog > Otherwise, Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
On Thu, Sep 15, 2022 at 12:04:42AM +0000, Vishal Annapurve wrote: > Introduce arch specific API: kvm_selftest_arch_init to allow each arch to > handle initialization before running any selftest logic. > > Suggested-by: Sean Christopherson <seanjc@google.com> > Signed-off-by: Vishal Annapurve <vannapurve@google.com> > --- > .../selftests/kvm/include/kvm_util_base.h | 5 +++++ > .../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++--------- > tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ > .../selftests/kvm/lib/riscv/processor.c | 4 ++++ > .../selftests/kvm/lib/s390x/processor.c | 4 ++++ > .../selftests/kvm/lib/x86_64/processor.c | 4 ++++ > 6 files changed, 28 insertions(+), 9 deletions(-) > > diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h > index 24fde97f6121..98edbbda9f97 100644 > --- a/tools/testing/selftests/kvm/include/kvm_util_base.h > +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h > @@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm) > return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0); > } > > +/* > + * API to execute architecture specific setup before executing selftest logic. nit: s/before executing selftest logic/before main()/ ("selftest logic" is vague) > + */ > +void kvm_selftest_arch_init(void); > + > #endif /* SELFTEST_KVM_UTIL_BASE_H */ > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > index 6f5551368944..2281d6c5d02f 100644 > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > @@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, > close(kvm_fd); > } > > -/* > - * arm64 doesn't have a true default mode, so start by computing the > - * available IPA space and page sizes early. > - */ > -void __attribute__((constructor)) init_guest_modes(void) > -{ > - guest_modes_append_default(); > -} > - > void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, > uint64_t arg6, struct arm_smccc_res *res) > @@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > [arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6) > : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"); > } > + > +/* > + * arm64 doesn't have a true default mode, so start by computing the > + * available IPA space and page sizes early. > + */ > +void kvm_selftest_arch_init(void) > +{ > + guest_modes_append_default(); > +} > diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c > index 3c83838999f5..dafe4471a6c7 100644 > --- a/tools/testing/selftests/kvm/lib/kvm_util.c > +++ b/tools/testing/selftests/kvm/lib/kvm_util.c > @@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void) > { > /* Tell stdout not to buffer its content. */ > setbuf(stdout, NULL); > + > + kvm_selftest_arch_init(); > } Suggest defining a default no-op implementation of kvm_selftest_arch_init() using __weak since most architectures do not actually need an implementation. > diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c > index 604478151212..26660dd2ba78 100644 > --- a/tools/testing/selftests/kvm/lib/riscv/processor.c > +++ b/tools/testing/selftests/kvm/lib/riscv/processor.c > @@ -362,3 +362,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...) > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > { > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c > index 89d7340d9cbd..8654ec74009a 100644 > --- a/tools/testing/selftests/kvm/lib/s390x/processor.c > +++ b/tools/testing/selftests/kvm/lib/s390x/processor.c > @@ -218,3 +218,7 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent) > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > { > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c > index 2e6e61bbe81b..20bf125f9363 100644 > --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c > +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c > @@ -1311,3 +1311,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm) > > return val == 'Y'; > } > + > +void kvm_selftest_arch_init(void) > +{ > +} > -- > 2.37.2.789.g6183377224-goog >
On Thu, Sep 15, 2022 at 2:44 AM Andrew Jones <andrew.jones@linux.dev> wrote: > > On Thu, Sep 15, 2022 at 12:04:42AM +0000, Vishal Annapurve wrote: > > Introduce arch specific API: kvm_selftest_arch_init to allow each arch to > > handle initialization before running any selftest logic. > > > > Suggested-by: Sean Christopherson <seanjc@google.com> > > Signed-off-by: Vishal Annapurve <vannapurve@google.com> > > --- > > .../selftests/kvm/include/kvm_util_base.h | 5 +++++ > > .../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++--------- > > tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ > > .../selftests/kvm/lib/riscv/processor.c | 4 ++++ > > .../selftests/kvm/lib/s390x/processor.c | 4 ++++ > > .../selftests/kvm/lib/x86_64/processor.c | 4 ++++ > > 6 files changed, 28 insertions(+), 9 deletions(-) > > > > diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h > > index 24fde97f6121..98edbbda9f97 100644 > > --- a/tools/testing/selftests/kvm/include/kvm_util_base.h > > +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h > > @@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm) > > return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0); > > } > > > > +/* > > + * API to execute architecture specific setup before executing selftest logic. > > + */ > > +void kvm_selftest_arch_init(void); > > + > > #endif /* SELFTEST_KVM_UTIL_BASE_H */ > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > index 6f5551368944..2281d6c5d02f 100644 > > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > @@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, > > close(kvm_fd); > > } > > > > -/* > > - * arm64 doesn't have a true default mode, so start by computing the > > - * available IPA space and page sizes early. > > - */ > > -void __attribute__((constructor)) init_guest_modes(void) > > -{ > > - guest_modes_append_default(); > > -} > > - > > void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > > uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, > > uint64_t arg6, struct arm_smccc_res *res) > > @@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > > [arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6) > > : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"); > > } > > + > > +/* > > + * arm64 doesn't have a true default mode, so start by computing the > > + * available IPA space and page sizes early. > > + */ > > It'd be better to move this comment inside the function above the > guest_modes_append_default call. > Ack, will fix this in the next series. > > +void kvm_selftest_arch_init(void) > > +{ > > + guest_modes_append_default(); > > +} > > diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c > > index 3c83838999f5..dafe4471a6c7 100644 > > --- a/tools/testing/selftests/kvm/lib/kvm_util.c > > +++ b/tools/testing/selftests/kvm/lib/kvm_util.c > > @@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void) > > { > > /* Tell stdout not to buffer its content. */ > > setbuf(stdout, NULL); > > + > > + kvm_selftest_arch_init(); > > } > > diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c > > index 604478151212..26660dd2ba78 100644 > > --- a/tools/testing/selftests/kvm/lib/riscv/processor.c > > +++ b/tools/testing/selftests/kvm/lib/riscv/processor.c > > @@ -362,3 +362,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...) > > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > > { > > } > > + > > +void kvm_selftest_arch_init(void) > > +{ > > +} > > diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c > > index 89d7340d9cbd..8654ec74009a 100644 > > --- a/tools/testing/selftests/kvm/lib/s390x/processor.c > > +++ b/tools/testing/selftests/kvm/lib/s390x/processor.c > > @@ -218,3 +218,7 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent) > > void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) > > { > > } > > + > > +void kvm_selftest_arch_init(void) > > +{ > > +} > > diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c > > index 2e6e61bbe81b..20bf125f9363 100644 > > --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c > > +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c > > @@ -1311,3 +1311,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm) > > > > return val == 'Y'; > > } > > + > > +void kvm_selftest_arch_init(void) > > +{ > > +} > > -- > > 2.37.2.789.g6183377224-goog > > > > Otherwise, > > Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
On Wed, Sep 21, 2022 at 1:51 PM David Matlack <dmatlack@google.com> wrote: > > On Thu, Sep 15, 2022 at 12:04:42AM +0000, Vishal Annapurve wrote: > > Introduce arch specific API: kvm_selftest_arch_init to allow each arch to > > handle initialization before running any selftest logic. > > > > Suggested-by: Sean Christopherson <seanjc@google.com> > > Signed-off-by: Vishal Annapurve <vannapurve@google.com> > > --- > > .../selftests/kvm/include/kvm_util_base.h | 5 +++++ > > .../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++--------- > > tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ > > .../selftests/kvm/lib/riscv/processor.c | 4 ++++ > > .../selftests/kvm/lib/s390x/processor.c | 4 ++++ > > .../selftests/kvm/lib/x86_64/processor.c | 4 ++++ > > 6 files changed, 28 insertions(+), 9 deletions(-) > > > > diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h > > index 24fde97f6121..98edbbda9f97 100644 > > --- a/tools/testing/selftests/kvm/include/kvm_util_base.h > > +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h > > @@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm) > > return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0); > > } > > > > +/* > > + * API to execute architecture specific setup before executing selftest logic. > > nit: s/before executing selftest logic/before main()/ > Ack, will fix this in the next series. > ("selftest logic" is vague) > > > + */ > > +void kvm_selftest_arch_init(void); > > + > > #endif /* SELFTEST_KVM_UTIL_BASE_H */ > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > index 6f5551368944..2281d6c5d02f 100644 > > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > @@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, > > close(kvm_fd); > > } > > > > -/* > > - * arm64 doesn't have a true default mode, so start by computing the > > - * available IPA space and page sizes early. > > - */ > > -void __attribute__((constructor)) init_guest_modes(void) > > -{ > > - guest_modes_append_default(); > > -} > > - > > void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > > uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, > > uint64_t arg6, struct arm_smccc_res *res) > > @@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, > > [arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6) > > : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"); > > } > > + > > +/* > > + * arm64 doesn't have a true default mode, so start by computing the > > + * available IPA space and page sizes early. > > + */ > > +void kvm_selftest_arch_init(void) > > +{ > > + guest_modes_append_default(); > > +} > > diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c > > index 3c83838999f5..dafe4471a6c7 100644 > > --- a/tools/testing/selftests/kvm/lib/kvm_util.c > > +++ b/tools/testing/selftests/kvm/lib/kvm_util.c > > @@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void) > > { > > /* Tell stdout not to buffer its content. */ > > setbuf(stdout, NULL); > > + > > + kvm_selftest_arch_init(); > > } > > Suggest defining a default no-op implementation of > kvm_selftest_arch_init() using __weak since most architectures do not > actually need an implementation. > Ack, will update this in the next series. > > ... > >
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 24fde97f6121..98edbbda9f97 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm) return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0); } +/* + * API to execute architecture specific setup before executing selftest logic. + */ +void kvm_selftest_arch_init(void); + #endif /* SELFTEST_KVM_UTIL_BASE_H */ diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c index 6f5551368944..2281d6c5d02f 100644 --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c @@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa, close(kvm_fd); } -/* - * arm64 doesn't have a true default mode, so start by computing the - * available IPA space and page sizes early. - */ -void __attribute__((constructor)) init_guest_modes(void) -{ - guest_modes_append_default(); -} - void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6, struct arm_smccc_res *res) @@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1, [arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6) : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7"); } + +/* + * arm64 doesn't have a true default mode, so start by computing the + * available IPA space and page sizes early. + */ +void kvm_selftest_arch_init(void) +{ + guest_modes_append_default(); +} diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 3c83838999f5..dafe4471a6c7 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void) { /* Tell stdout not to buffer its content. */ setbuf(stdout, NULL); + + kvm_selftest_arch_init(); } diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c index 604478151212..26660dd2ba78 100644 --- a/tools/testing/selftests/kvm/lib/riscv/processor.c +++ b/tools/testing/selftests/kvm/lib/riscv/processor.c @@ -362,3 +362,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...) void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) { } + +void kvm_selftest_arch_init(void) +{ +} diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c index 89d7340d9cbd..8654ec74009a 100644 --- a/tools/testing/selftests/kvm/lib/s390x/processor.c +++ b/tools/testing/selftests/kvm/lib/s390x/processor.c @@ -218,3 +218,7 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent) void assert_on_unhandled_exception(struct kvm_vcpu *vcpu) { } + +void kvm_selftest_arch_init(void) +{ +} diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index 2e6e61bbe81b..20bf125f9363 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -1311,3 +1311,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm) return val == 'Y'; } + +void kvm_selftest_arch_init(void) +{ +}
Introduce arch specific API: kvm_selftest_arch_init to allow each arch to handle initialization before running any selftest logic. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vishal Annapurve <vannapurve@google.com> --- .../selftests/kvm/include/kvm_util_base.h | 5 +++++ .../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++--------- tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++ .../selftests/kvm/lib/riscv/processor.c | 4 ++++ .../selftests/kvm/lib/s390x/processor.c | 4 ++++ .../selftests/kvm/lib/x86_64/processor.c | 4 ++++ 6 files changed, 28 insertions(+), 9 deletions(-)