linux-kernel - Re: [PATCH] kvm: selftests: Support dirty log initial-all-set test

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Date:   Tue, 3 Mar 2020 09:53:49 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Jay Zhou <jianjay.zhou@...wei.com>, kvm@...r.kernel.org
Cc:     peterx@...hat.com, shuah@...nel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        wangxinxin.wang@...wei.com, weidong.huang@...wei.com,
        liu.jinsong@...wei.com
Subject: Re: [PATCH] kvm: selftests: Support dirty log initial-all-set test

On 03/03/20 09:07, Jay Zhou wrote:
>  #ifdef USE_CLEAR_DIRTY_LOG
> -	if (!kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2)) {
> -		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, skipping tests\n");
> +	dirty_log_manual_caps =
> +		kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
> +	if (!dirty_log_manual_caps) {
> +		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, "
> +				"skipping tests\n");
> +		exit(KSFT_SKIP);
> +	}
> +	if (dirty_log_manual_caps != KVM_DIRTY_LOG_MANUAL_CAPS &&
> +		dirty_log_manual_caps != KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE) {
> +		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not valid caps "
> +				"%"PRIu64", skipping tests\n",
> +				dirty_log_manual_caps);
>  		exit(KSFT_SKIP);
>  	}
>  #endif
> 

	dirty_log_manual_caps &= (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE |
				  KVM_DIRTY_LOG_INITIALLY_SET);


Paolo