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From: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
To: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
	Julien Thierry <julien.thierry.kdev@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>,
	Paul Mackerras <paulus@ozlabs.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	David Hildenbrand <david@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Joerg Roedel <joro@8bytes.org>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 01/13] KVM: x86: Cache total page count to avoid traversing the memslot array
Date: Wed, 3 Nov 2021 16:38:10 +0100	[thread overview]
Message-ID: <27ba659b-137e-863f-7892-b8968fd14e59@maciej.szmigiero.name> (raw)
In-Reply-To: <YYKhFhoSa/8SHxJB@google.com>

On 03.11.2021 15:47, Sean Christopherson wrote:
> On Wed, Nov 03, 2021, Maciej S. Szmigiero wrote:
>> Capping total n_memslots_pages makes sense to me to avoid the (existing)
>> nr_mmu_pages wraparound issue, will update the next patchset version
>> accordingly.
> 
> No need to do it yourself.  I have a reworked version of the series with a bunch
> of cleanups before and after the meat of your series, as well non-functional changes
> (hopefully) to the "Resolve memslot ID via a hash table" and "Keep memslots in
> tree-based structures" to avoid all the swap() behavior and to provide better
> continuity between the aforementioned patches.  Unless something goes sideways in
> the last few touchups, I'll get it posted today.
> 

Thanks.

  reply	other threads:[~2021-11-03 15:38 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-20 21:38 [PATCH v5 00/13] KVM: Scalable memslots implementation Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 01/13] KVM: x86: Cache total page count to avoid traversing the memslot array Maciej S. Szmigiero
2021-10-19 22:24   ` Sean Christopherson
2021-10-19 22:31     ` Sean Christopherson
2021-10-20 18:40       ` Maciej S. Szmigiero
2021-10-20 18:41     ` Maciej S. Szmigiero
2021-10-20 19:01       ` Sean Christopherson
2021-11-01 22:29         ` Sean Christopherson
2021-11-03 11:59           ` Maciej S. Szmigiero
2021-11-03 14:47             ` Sean Christopherson
2021-11-03 15:38               ` Maciej S. Szmigiero [this message]
2021-09-20 21:38 ` [PATCH v5 02/13] KVM: x86: Don't call kvm_mmu_change_mmu_pages() if the count hasn't changed Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 03/13] KVM: Add "old" memslot parameter to kvm_arch_prepare_memory_region() Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 04/13] KVM: x86: Move n_memslots_pages recalc " Maciej S. Szmigiero
2021-10-19 22:38   ` Sean Christopherson
2021-10-20 18:41     ` Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 05/13] KVM: Integrate gfn_to_memslot_approx() into search_memslots() Maciej S. Szmigiero
2021-10-19 23:38   ` Sean Christopherson
2021-10-20 18:41     ` Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 06/13] KVM: Move WARN on invalid memslot index to update_memslots() Maciej S. Szmigiero
2021-10-19 23:42   ` Sean Christopherson
2021-09-20 21:38 ` [PATCH v5 07/13] KVM: Just resync arch fields when slots_arch_lock gets reacquired Maciej S. Szmigiero
2021-10-19 23:55   ` Sean Christopherson
2021-10-20 18:41     ` Maciej S. Szmigiero
2021-10-20 18:57       ` Sean Christopherson
2021-10-20 18:58         ` Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 08/13] KVM: Resolve memslot ID via a hash table instead of via a static array Maciej S. Szmigiero
2021-10-20  0:43   ` Sean Christopherson
2021-10-20 18:42     ` Maciej S. Szmigiero
2021-10-20 22:39   ` Sean Christopherson
2021-10-21 14:15     ` Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 09/13] KVM: Use interval tree to do fast hva lookup in memslots Maciej S. Szmigiero
2021-10-26 18:19   ` Sean Christopherson
2021-10-26 18:46     ` Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 10/13] KVM: s390: Introduce kvm_s390_get_gfn_end() Maciej S. Szmigiero
2021-09-20 21:38 ` [PATCH v5 11/13] KVM: Keep memslots in tree-based structures instead of array-based ones Maciej S. Szmigiero
2021-10-27  0:36   ` Sean Christopherson
2021-10-27 23:54     ` Sean Christopherson
2021-10-28 22:22       ` Sean Christopherson
2021-09-20 21:39 ` [PATCH v5 12/13] KVM: Optimize gfn lookup in kvm_zap_gfn_range() Maciej S. Szmigiero
2021-10-20 23:47   ` Sean Christopherson
2021-10-21 14:16     ` Maciej S. Szmigiero
2021-10-21 16:30       ` Sean Christopherson
2021-10-21 21:44         ` Maciej S. Szmigiero
2021-09-20 21:39 ` [PATCH v5 13/13] KVM: Optimize overlapping memslots check Maciej S. Szmigiero
2021-10-26 18:59   ` Sean Christopherson
2021-10-27 13:48     ` Maciej S. Szmigiero
2021-10-28 17:53       ` Sean Christopherson
2021-10-29 16:23         ` Maciej S. Szmigiero
2021-10-30  0:32           ` Sean Christopherson
2021-10-19 22:07 ` [PATCH v5 00/13] KVM: Scalable memslots implementation Sean Christopherson
2021-10-20 18:40   ` Maciej S. Szmigiero
2021-10-20 19:58     ` Sean Christopherson

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