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From: Sean Christopherson <seanjc@google.com>
To: Ricardo Koller <ricarkol@google.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev,
	kvmarm@lists.cs.columbia.edu, andrew.jones@linux.dev,
	pbonzini@redhat.com, maz@kernel.org, alexandru.elisei@arm.com,
	eric.auger@redhat.com, oupton@google.com, reijiw@google.com,
	rananta@google.com, bgardon@google.com, dmatlack@google.com,
	axelrasmussen@google.com
Subject: Re: [PATCH v9 11/14] KVM: selftests: aarch64: Add userfaultfd tests into page_fault_test
Date: Fri, 14 Oct 2022 21:27:06 +0000	[thread overview]
Message-ID: <Y0nUKhuCJHUaQukj@google.com> (raw)
In-Reply-To: <20221011010628.1734342-12-ricarkol@google.com>

On Tue, Oct 11, 2022, Ricardo Koller wrote:
>  /* Returns true to continue the test, and false if it should be skipped. */
> +static int uffd_generic_handler(int uffd_mode, int uffd,
> +		struct uffd_msg *msg, struct uffd_args *args,
> +		bool expect_write)

Align.

static int uffd_generic_handler(int uffd_mode, int uffd,
				struct uffd_msg *msg, struct uffd_args *args,
				bool expect_write)

> +static void setup_uffd(struct kvm_vm *vm, struct test_params *p,
> +		struct uffd_desc **pt_uffd, struct uffd_desc **data_uffd)

static void setup_uffd(struct kvm_vm *vm, struct test_params *p,
		       struct uffd_desc **pt_uffd, struct uffd_desc **data_uffd)

> +{
> +	struct test_desc *test = p->test_desc;
> +
> +	setup_uffd_args(vm_get_mem_region(vm, MEM_REGION_PT), &pt_args);
> +	setup_uffd_args(vm_get_mem_region(vm, MEM_REGION_TEST_DATA), &data_args);
> +
> +	*pt_uffd = NULL;
> +	if (test->uffd_pt_handler)
> +		*pt_uffd = uffd_setup_demand_paging(
> +				UFFDIO_REGISTER_MODE_MISSING, 0,
> +				pt_args.hva, pt_args.paging_size,
> +				test->uffd_pt_handler);
> +
> +	*data_uffd = NULL;
> +	if (test->uffd_data_handler)
> +		*data_uffd = uffd_setup_demand_paging(
> +				UFFDIO_REGISTER_MODE_MISSING, 0,
> +				data_args.hva, data_args.paging_size,
> +				test->uffd_data_handler);
> +}
> +
> +static void free_uffd(struct test_desc *test, struct uffd_desc *pt_uffd,
> +			struct uffd_desc *data_uffd)

static void free_uffd(struct test_desc *test, struct uffd_desc *pt_uffd,
		      struct uffd_desc *data_uffd)

> +static void reset_event_counts(void)
> +{
> +	memset(&events, 0, sizeof(events));
> +}
> +
>  /*
>   * This function either succeeds, skips the test (after setting test->skip), or
>   * fails with a TEST_FAIL that aborts all tests.
>   */
>  static void vcpu_run_loop(struct kvm_vm *vm, struct kvm_vcpu *vcpu,
> -			  struct test_desc *test)
> +		struct test_desc *test)

Spurious change, and it introduces bad alignment.

static void vcpu_run_loop(struct kvm_vm *vm, struct kvm_vcpu *vcpu,
			  struct test_desc *test)

>  {
>  	struct ucall uc;
>  
> @@ -453,6 +575,7 @@ static void run_test(enum vm_guest_mode mode, void *arg)
>  	struct test_desc *test = p->test_desc;
>  	struct kvm_vm *vm;
>  	struct kvm_vcpu *vcpu;
> +	struct uffd_desc *pt_uffd, *data_uffd;
>  
>  	print_test_banner(mode, p);
>  


  reply	other threads:[~2022-10-14 21:27 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-11  1:06 [PATCH v9 00/14] KVM: selftests: Add aarch64/page_fault_test Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 01/14] KVM: selftests: Add a userfaultfd library Ricardo Koller
2022-10-14 21:15   ` Sean Christopherson
2022-10-11  1:06 ` [PATCH v9 02/14] KVM: selftests: aarch64: Add virt_get_pte_hva() library function Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 03/14] KVM: selftests: Add missing close and munmap in __vm_mem_region_delete() Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 04/14] KVM: selftests: aarch64: Construct DEFAULT_MAIR_EL1 using sysreg.h macros Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 05/14] tools: Copy bitfield.h from the kernel sources Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 06/14] KVM: selftests: Stash backing_src_type in struct userspace_mem_region Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 07/14] KVM: selftests: Add vm->memslots[] and enum kvm_mem_region_type Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 08/14] KVM: selftests: Fix alignment in virt_arch_pgd_alloc() and vm_vaddr_alloc() Ricardo Koller
2022-10-13 14:09   ` Andrew Jones
2022-10-11  1:06 ` [PATCH v9 09/14] KVM: selftests: Use the right memslot for code, page-tables, and data allocations Ricardo Koller
2022-10-13 14:14   ` Andrew Jones
2022-10-11  1:06 ` [PATCH v9 10/14] KVM: selftests: aarch64: Add aarch64/page_fault_test Ricardo Koller
2022-10-14 21:23   ` Sean Christopherson
2022-10-11  1:06 ` [PATCH v9 11/14] KVM: selftests: aarch64: Add userfaultfd tests into page_fault_test Ricardo Koller
2022-10-14 21:27   ` Sean Christopherson [this message]
2022-10-11  1:06 ` [PATCH v9 12/14] KVM: selftests: aarch64: Add dirty logging " Ricardo Koller
2022-10-14 21:28   ` Sean Christopherson
2022-10-11  1:06 ` [PATCH v9 13/14] KVM: selftests: aarch64: Add readonly memslot " Ricardo Koller
2022-10-11  1:06 ` [PATCH v9 14/14] KVM: selftests: aarch64: Add mix of " Ricardo Koller
2022-10-14 21:30 ` [PATCH v9 00/14] KVM: selftests: Add aarch64/page_fault_test Sean Christopherson
2022-10-14 21:37   ` Ricardo Koller

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