Message ID | 20190523094021.18116-1-drjones@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | kvm: selftests: aarch64: compile with warnings on | expand |
On 23/05/2019 11.40, Andrew Jones wrote: > aarch64 fixups needed to compile with warnings as errors. > > Signed-off-by: Andrew Jones <drjones@redhat.com> > --- > tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > index e8c42506a09d..62b381a930ec 100644 > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > @@ -7,6 +7,8 @@ > > #define _GNU_SOURCE /* for program_invocation_name */ > > +#include <linux/compiler.h> > + > #include "kvm_util.h" > #include "../kvm_util_internal.h" > #include "processor.h" > @@ -67,15 +69,13 @@ static uint64_t ptrs_per_pgd(struct kvm_vm *vm) > return 1 << (vm->va_bits - shift); > } > > -static uint64_t ptrs_per_pte(struct kvm_vm *vm) > +static uint64_t __maybe_unused ptrs_per_pte(struct kvm_vm *vm) > { > return 1 << (vm->page_shift - 3); > } You could also wrap the function with "#ifdef DEBUG_VM" ? > void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot) > { > - int rc; > - > if (!vm->pgd_created) { > vm_paddr_t paddr = vm_phy_pages_alloc(vm, > page_align(vm, ptrs_per_pgd(vm) * 8) / vm->page_size, > @@ -181,6 +181,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva) > unmapped_gva: > TEST_ASSERT(false, "No mapping for vm virtual address, " > "gva: 0x%lx", gva); > + return 0; I'd rather use exit(1). > } > > static void pte_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent, uint64_t page, int level) > @@ -312,6 +313,6 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent) > get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pstate), &pstate); > get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &pc); > > - fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n", > + fprintf(stream, "%*spstate: 0x%.16lx pc: 0x%.16lx\n", > indent, "", pstate, pc); > } > My comments were just suggestions / a matter of taste, so anyway: Reviewed-by: Thomas Huth <thuth@redhat.com>
On Thu, May 23, 2019 at 12:05:00PM +0200, Thomas Huth wrote: > On 23/05/2019 11.40, Andrew Jones wrote: > > aarch64 fixups needed to compile with warnings as errors. > > > > Signed-off-by: Andrew Jones <drjones@redhat.com> > > --- > > tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++---- > > 1 file changed, 5 insertions(+), 4 deletions(-) > > > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > index e8c42506a09d..62b381a930ec 100644 > > --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c > > +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c > > @@ -7,6 +7,8 @@ > > > > #define _GNU_SOURCE /* for program_invocation_name */ > > > > +#include <linux/compiler.h> > > + > > #include "kvm_util.h" > > #include "../kvm_util_internal.h" > > #include "processor.h" > > @@ -67,15 +69,13 @@ static uint64_t ptrs_per_pgd(struct kvm_vm *vm) > > return 1 << (vm->va_bits - shift); > > } > > > > -static uint64_t ptrs_per_pte(struct kvm_vm *vm) > > +static uint64_t __maybe_unused ptrs_per_pte(struct kvm_vm *vm) > > { > > return 1 << (vm->page_shift - 3); > > } > > You could also wrap the function with "#ifdef DEBUG_VM" ? I considered that first, but opted to go this way instead because this helper isn't strictly for debug, which I felt the ifdef would convey. > > > void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot) > > { > > - int rc; > > - > > if (!vm->pgd_created) { > > vm_paddr_t paddr = vm_phy_pages_alloc(vm, > > page_align(vm, ptrs_per_pgd(vm) * 8) / vm->page_size, > > @@ -181,6 +181,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva) > > unmapped_gva: > > TEST_ASSERT(false, "No mapping for vm virtual address, " > > "gva: 0x%lx", gva); > > + return 0; > > I'd rather use exit(1). That's a good suggestion. I'll send a v2 with this and your r-b. Thanks, drew > > > } > > > > static void pte_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent, uint64_t page, int level) > > @@ -312,6 +313,6 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent) > > get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pstate), &pstate); > > get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &pc); > > > > - fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n", > > + fprintf(stream, "%*spstate: 0x%.16lx pc: 0x%.16lx\n", > > indent, "", pstate, pc); > > } > > > > My comments were just suggestions / a matter of taste, so anyway: > > Reviewed-by: Thomas Huth <thuth@redhat.com>
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c index e8c42506a09d..62b381a930ec 100644 --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c @@ -7,6 +7,8 @@ #define _GNU_SOURCE /* for program_invocation_name */ +#include <linux/compiler.h> + #include "kvm_util.h" #include "../kvm_util_internal.h" #include "processor.h" @@ -67,15 +69,13 @@ static uint64_t ptrs_per_pgd(struct kvm_vm *vm) return 1 << (vm->va_bits - shift); } -static uint64_t ptrs_per_pte(struct kvm_vm *vm) +static uint64_t __maybe_unused ptrs_per_pte(struct kvm_vm *vm) { return 1 << (vm->page_shift - 3); } void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot) { - int rc; - if (!vm->pgd_created) { vm_paddr_t paddr = vm_phy_pages_alloc(vm, page_align(vm, ptrs_per_pgd(vm) * 8) / vm->page_size, @@ -181,6 +181,7 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva) unmapped_gva: TEST_ASSERT(false, "No mapping for vm virtual address, " "gva: 0x%lx", gva); + return 0; } static void pte_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent, uint64_t page, int level) @@ -312,6 +313,6 @@ void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent) get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pstate), &pstate); get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &pc); - fprintf(stream, "%*spstate: 0x%.16llx pc: 0x%.16llx\n", + fprintf(stream, "%*spstate: 0x%.16lx pc: 0x%.16lx\n", indent, "", pstate, pc); }
aarch64 fixups needed to compile with warnings as errors. Signed-off-by: Andrew Jones <drjones@redhat.com> --- tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)