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From: Sean Christopherson <seanjc@google.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	 Oliver Upton <oupton@google.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] KVM: selftests: Generalize check_clocksource() from kvm_clock_test
Date: Tue, 30 Jan 2024 15:24:58 -0800	[thread overview]
Message-ID: <ZbmFSuPBix_USbif@google.com> (raw)
In-Reply-To: <20240109141121.1619463-2-vkuznets@redhat.com>

On Tue, Jan 09, 2024, Vitaly Kuznetsov wrote:
> +bool sys_clocksource_is_tsc(void)
> +{
> +	char *clk_name = sys_get_cur_clocksource();
> +	bool ret = false;
> +
> +	if (!strcmp(clk_name, "tsc\n"))
> +		ret = true;

This can more simply be:

	bool ret = !strcmp(clk_name, "tsc\n");

and then

	bool ret = !strcmp(clk_name, "tsc\n") ||
		   !strcmp(clk_name, "hyperv_clocksource_tsc_page\n");

when the Hyper-V variant comes along.  I'll fixup when applying unless you
violently disagree.

  reply	other threads:[~2024-01-30 23:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-09 14:11 [PATCH 0/5] KVM: selftests: Fix clocksource requirements in tests Vitaly Kuznetsov
2024-01-09 14:11 ` [PATCH 1/5] KVM: selftests: Generalize check_clocksource() from kvm_clock_test Vitaly Kuznetsov
2024-01-30 23:24   ` Sean Christopherson [this message]
2024-01-09 14:11 ` [PATCH 2/5] KVM: selftests: Use generic sys_clocksource_is_tsc() in vmx_nested_tsc_scaling_test Vitaly Kuznetsov
2024-01-09 14:11 ` [PATCH 3/5] KVM: selftests: Run clocksource dependent tests with hyperv_clocksource_tsc_page too Vitaly Kuznetsov
2024-01-09 14:11 ` [PATCH 4/5] KVM: selftests: Make hyperv_clock require TSC based system clocksource Vitaly Kuznetsov
2024-01-09 14:11 ` [PATCH 5/5] KVM: x86: Make gtod_is_based_on_tsc() return 'bool' Vitaly Kuznetsov
2024-01-29  9:03 ` [PATCH 0/5] KVM: selftests: Fix clocksource requirements in tests Vitaly Kuznetsov
2024-01-31  0:59 ` Sean Christopherson
2024-02-01 17:00   ` Sean Christopherson

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