From: Andrey Korolyov <andrey@xdel.ru>
To: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Peter Krempa <pkrempa@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [RFC v3 0/8] Fix QEMU crash during memory hotplug with vhost=on
Date: Thu, 9 Jul 2015 20:04:35 +0300 [thread overview]
Message-ID: <CABYiri9UsFvAH3UzXLTH71V8==C3kf=sj0u9tWNReVQj3w3++Q@mail.gmail.com> (raw)
In-Reply-To: <20150708174602.4126f466@igors-macbook-pro.local>
On Wed, Jul 8, 2015 at 6:46 PM, Igor Mammedov <imammedo@redhat.com> wrote:
> On Wed, 8 Jul 2015 13:01:05 +0300
> "Michael S. Tsirkin" <mst@redhat.com> wrote:
>
> [...]
>> - this fixes qemu on current kernels, so it's a bugfix
>>
>> - this changes the semantics of memory hot unplug slightly
>> so I think it's important to merge in 2.4 before we
>> release qemu with memory hot unplug, this way we
>> won't have to maintain old semantics forever
> concerning semantic change, I've just chatted with Peter
> who implemented libvirt side of the memory hotplug stack.
> And it's not a problem for libvirt since it always does
> unplug dimm -> remove backend sequence.
>
>
Just for the record - top of the series somehow fixed mysterious guest
memory corruption issue described in
https://lists.gnu.org/archive/html/qemu-devel/2015-06/msg03117.html
which existed right from a moment of a memory hotplug introduction, I
checked series for its disappearance only with vhost for now. Thanks
Igor!
next prev parent reply other threads:[~2015-07-09 17:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 9:46 [Qemu-devel] [RFC v3 0/8] Fix QEMU crash during memory hotplug with vhost=on Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 1/8] memory: get rid of memory_region_destructor_ram_from_ptr() Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 2/8] memory: introduce MemoryRegion container with reserved HVA range Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 3/8] pc: reserve hotpluggable memory range with memory_region_init_hva_range() Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 4/8] pc: fix QEMU crashing when more than ~50 memory hotplugged Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 5/8] exec: make sure that RAMBlock descriptor won't be leaked Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 6/8] exec: add qemu_ram_unmap_hva() API for unmapping memory from HVA area Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 7/8] memory: extend memory_region_add_subregion() to support error reporting Igor Mammedov
2015-07-08 11:03 ` Michael S. Tsirkin
2015-07-08 11:09 ` Peter Maydell
2015-07-08 14:58 ` Igor Mammedov
2015-07-08 17:30 ` Michael S. Tsirkin
2015-07-08 18:41 ` Igor Mammedov
2015-07-09 6:58 ` Michael S. Tsirkin
2015-07-08 17:42 ` Paolo Bonzini
2015-07-08 18:58 ` Igor Mammedov
2015-07-08 9:46 ` [Qemu-devel] [RFC v3 8/8] memory: add support for deleting HVA mapped MemoryRegion Igor Mammedov
2015-07-08 9:58 ` Michael S. Tsirkin
2015-07-08 14:43 ` Igor Mammedov
2015-07-08 14:50 ` Michael S. Tsirkin
2015-07-08 10:01 ` [Qemu-devel] [RFC v3 0/8] Fix QEMU crash during memory hotplug with vhost=on Michael S. Tsirkin
2015-07-08 11:41 ` Igor Mammedov
2015-07-08 11:45 ` Michael S. Tsirkin
2015-07-08 15:46 ` Igor Mammedov
2015-07-09 17:04 ` Andrey Korolyov [this message]
2015-07-15 15:18 ` Igor Mammedov
2015-07-15 15:26 ` Andrey Korolyov
2015-07-15 16:08 ` Michael S. Tsirkin
2015-07-15 16:46 ` Andrey Korolyov
2015-07-16 20:35 ` Andrey Korolyov
2015-07-17 20:45 ` Andrey Korolyov
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