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From: Paolo Bonzini <pbonzini@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>
Cc: Radim Krcmar <rkrcmar@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juergen Gross <jgross@suse.com>,
	Pavel Tatashin <pasha.tatashin@oracle.com>,
	steven.sistare@oracle.com, daniel.m.jordan@oracle.com,
	x86@kernel.org, kvm@vger.kernel.org
Subject: Re: [patch 6/7] x86/kvmclock: Move kvmclock vsyscall param and init to kvmclock
Date: Fri, 6 Jul 2018 19:43:15 +0200	[thread overview]
Message-ID: <f7773add-7cac-f57f-af27-bd871bb7a0d7@redhat.com> (raw)
In-Reply-To: <20180706162049.765314976@linutronix.de>

On 06/07/2018 18:13, Thomas Gleixner wrote:
> @@ -241,6 +269,9 @@ void __init kvmclock_init(void)
>  		return;
>  	}
>  
> +	if (!hypervisor_is_type(X86_HYPER_KVM))
> +		kvmclock_vsyscall = 0;
> +

No need for this; by the time you get here, the condition will always be
true.  And if you don't have kvmclock, hv_clock will be NULL and
initialization will be skipped anyway in kvm_setup_vsyscall_timeinfo.

Thanks,

Paolo

  reply	other threads:[~2018-07-06 17:43 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-06 16:13 [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Thomas Gleixner
2018-07-06 16:13 ` [patch 1/7] x86/kvmclock: Remove memblock dependency Thomas Gleixner
2018-07-06 16:13 ` [patch 2/7] x86/kvmclock: Remove page size requirement from wall_clock Thomas Gleixner
2018-07-12  2:15   ` Pavel Tatashin
2018-07-06 16:13 ` [patch 3/7] x86/kvmclock: Decrapify kvm_register_clock() Thomas Gleixner
2018-07-06 17:38   ` Paolo Bonzini
2018-07-06 17:39     ` Thomas Gleixner
2018-07-12  2:24   ` Pavel Tatashin
2018-07-06 16:13 ` [patch 4/7] x86/kvmclock: Cleanup the code Thomas Gleixner
2018-07-06 17:39   ` Paolo Bonzini
2018-07-09  9:05   ` Peter Zijlstra
2018-07-09 10:03     ` Thomas Gleixner
2018-07-09 11:32     ` Paolo Bonzini
2018-07-06 16:13 ` [patch 5/7] x86/kvmclock: Mark variables __initdata and __ro_after_init Thomas Gleixner
2018-07-12  2:31   ` Pavel Tatashin
2018-07-06 16:13 ` [patch 6/7] x86/kvmclock: Move kvmclock vsyscall param and init to kvmclock Thomas Gleixner
2018-07-06 17:43   ` Paolo Bonzini [this message]
2018-07-06 19:23     ` Thomas Gleixner
2018-07-12  2:52   ` Pavel Tatashin
2018-07-06 16:13 ` [patch 7/7] x86/kvmclock: Switch kvmclock data to a PER_CPU variable Thomas Gleixner
2018-07-12  3:12   ` Pavel Tatashin
2018-07-06 17:47 ` [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Paolo Bonzini
2018-07-06 23:51   ` Brijesh Singh
2018-07-09  9:22 ` [patch 8/7] x86/kvmclock: Avoid TSC recalibration Peter Zijlstra
2018-07-12  2:12 ` [patch 0/7] x86/kvmclock: Remove memblock dependency and further cleanups Pavel Tatashin
2018-07-13 22:51   ` Thomas Gleixner
2018-07-14  0:20     ` Pavel Tatashin

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