From: Peter Xu <peterx@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>
Cc: thuth@redhat.com, david@redhat.com, cohuck@redhat.com,
qemu-devel@nongnu.org, borntraeger@de.ibm.com,
qemu-s390x@nongnu.org, pbonzini@redhat.com
Subject: Re: [PATCH v7 3/4] kvm: split too big memory section on several memslots
Date: Wed, 25 Sep 2019 11:12:11 +0800 [thread overview]
Message-ID: <20190925031211.GH28074@xz-x1> (raw)
In-Reply-To: <20190924144751.24149-4-imammedo@redhat.com>
On Tue, Sep 24, 2019 at 10:47:50AM -0400, Igor Mammedov wrote:
[...]
> @@ -2877,6 +2912,7 @@ static bool kvm_accel_has_memory(MachineState *ms, AddressSpace *as,
>
> for (i = 0; i < kvm->nr_as; ++i) {
> if (kvm->as[i].as == as && kvm->as[i].ml) {
> + size = MIN(kvm_max_slot_size, size);
> return NULL != kvm_lookup_matching_slot(kvm->as[i].ml,
> start_addr, size);
> }
Ideally we could also check that the whole (start_addr, size) region
is covered by KVM memslots here, but with current code I can't think
of a case where the result doesn't match with only checking the 1st
memslot. So I assume it's fine.
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2019-09-25 3:13 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-24 14:47 [PATCH v7 0/4] s390: stop abusing memory_region_allocate_system_memory() Igor Mammedov
2019-09-24 14:47 ` [PATCH v7 1/4] kvm: extract kvm_log_clear_one_slot Igor Mammedov
2019-09-30 10:25 ` Christian Borntraeger
2019-09-24 14:47 ` [PATCH v7 2/4] kvm: clear dirty bitmaps from all overlapping memslots Igor Mammedov
2019-09-24 14:47 ` [PATCH v7 3/4] kvm: split too big memory section on several memslots Igor Mammedov
2019-09-25 3:12 ` Peter Xu [this message]
2019-09-25 12:09 ` Igor Mammedov
2019-09-25 23:45 ` Peter Xu
2019-09-24 14:47 ` [PATCH v7 4/4] s390: do not call memory_region_allocate_system_memory() multiple times Igor Mammedov
2019-09-25 3:27 ` Peter Xu
2019-09-25 11:51 ` Igor Mammedov
2019-09-25 23:52 ` Peter Xu
2019-09-27 13:33 ` Igor Mammedov
2019-09-28 1:28 ` Peter Xu
2019-09-30 7:09 ` Christian Borntraeger
2019-09-30 9:33 ` Igor Mammedov
2019-09-30 10:04 ` Christian Borntraeger
2019-09-30 10:35 ` Paolo Bonzini
2019-09-25 7:47 ` [PATCH v7 0/4] s390: stop abusing memory_region_allocate_system_memory() Christian Borntraeger
2019-09-30 11:00 ` Christian Borntraeger
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