linux-kernel - Re: [PATCH v8 5/7] KVM: selftests: Shorten the test args in memslot_modification_stress

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Date:   Wed, 2 Nov 2022 23:45:56 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Vipin Sharma <vipinsh@...gle.com>
Cc:     pbonzini@...hat.com, dmatlack@...gle.com, andrew.jones@...ux.dev,
        wei.w.wang@...el.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 5/7] KVM: selftests: Shorten the test args in
 memslot_modification_stress_test.c

On Wed, Nov 02, 2022, Vipin Sharma wrote:
> Change test args memslot_modification_delay and nr_memslot_modifications
> to delay and nr_iterations for simplicity.

Suggested-by: Sean Christopherson <seanjc@...gle.com>

I don't care about the credit so much as I don't want you getting yelled at for
one of my random ideas :-)

> Signed-off-by: Vipin Sharma <vipinsh@...gle.com>
> ---
>  .../kvm/memslot_modification_stress_test.c     | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/memslot_modification_stress_test.c b/tools/testing/selftests/kvm/memslot_modification_stress_test.c
> index d7ddc8a105a2..d6089ccaa484 100644
> --- a/tools/testing/selftests/kvm/memslot_modification_stress_test.c
> +++ b/tools/testing/selftests/kvm/memslot_modification_stress_test.c
> @@ -87,8 +87,8 @@ static void add_remove_memslot(struct kvm_vm *vm, useconds_t delay,
>  }
>  
>  struct test_params {
> -	useconds_t memslot_modification_delay;
> -	uint64_t nr_memslot_modifications;
> +	useconds_t delay;
> +	uint64_t nr_iterations;
>  	bool partition_vcpu_memory_access;
>  };
>  
> @@ -107,8 +107,8 @@ static void run_test(enum vm_guest_mode mode, void *arg)
>  
>  	pr_info("Started all vCPUs\n");
>  
> -	add_remove_memslot(vm, p->memslot_modification_delay,
> -			   p->nr_memslot_modifications);
> +	add_remove_memslot(vm, p->delay,
> +			   p->nr_iterations);

This wrap is no longer necessary (which was part of the motivation for the
rename).

>  	run_vcpus = false;
>  
> @@ -144,8 +144,8 @@ int main(int argc, char *argv[])
>  	int max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS);
>  	int opt;
>  	struct test_params p = {
> -		.memslot_modification_delay = 0,
> -		.nr_memslot_modifications =
> +		.delay = 0,
> +		.nr_iterations =
>  			DEFAULT_MEMSLOT_MODIFICATION_ITERATIONS,
>  		.partition_vcpu_memory_access = true
>  	};
> @@ -158,8 +158,8 @@ int main(int argc, char *argv[])
>  			guest_modes_cmdline(optarg);
>  			break;
>  		case 'd':
> -			p.memslot_modification_delay = atoi_paranoid(optarg);
> -			TEST_ASSERT(p.memslot_modification_delay >= 0,
> +			p.delay = atoi_paranoid(optarg);
> +			TEST_ASSERT(p.delay >= 0,
>  				    "A negative delay is not supported.");
>  			break;
>  		case 'b':
> @@ -175,7 +175,7 @@ int main(int argc, char *argv[])
>  			p.partition_vcpu_memory_access = false;
>  			break;
>  		case 'i':
> -			p.nr_memslot_modifications = atoi_paranoid(optarg);
> +			p.nr_iterations = atoi_paranoid(optarg);
>  			break;
>  		case 'h':
>  		default:
> -- 
> 2.38.1.273.g43a17bfeac-goog
>