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[PATCH v4 0/2] vhost: support more than 64 memory regions

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  [PATCH v4 0/2] vhost: support more than 64 memory regions Igor Mammedov <imammedo@redhat.com> - 2015-07-02 15:10 +0200
    Re: [PATCH v4 0/2] vhost: support more than 64 memory regions Igor Mammedov <imammedo@redhat.com> - 2015-07-08 15:00 +0200

#1175958 — [PATCH v4 0/2] vhost: support more than 64 memory regions

changes since v3:
  * rebased on top of vhost-next branch
changes since v2:
  * drop cache patches for now as suggested
  * add max_mem_regions module parameter instead of unconditionally
    increasing limit
  * drop bsearch patch since it's already queued

References to previous versions:
v2: https://lkml.org/lkml/2015/6/17/276
v1: http://www.spinics.net/lists/kvm/msg117654.html

Series allows to tweak vhost's memory regions count limit.

It fixes VM crashing on memory hotplug due to vhost refusing
accepting more than 64 memory regions with max_mem_regions
set to more than 262 slots in default QEMU configuration.

Igor Mammedov (2):
  vhost: extend memory regions allocation to vmalloc
  vhost: add max_mem_regions module parameter

 drivers/vhost/vhost.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

-- 
1.8.3.1

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#1179755

On Thu,  2 Jul 2015 15:08:09 +0200
Igor Mammedov <imammedo@redhat.com> wrote:

> changes since v3:
>   * rebased on top of vhost-next branch
> changes since v2:
>   * drop cache patches for now as suggested
>   * add max_mem_regions module parameter instead of unconditionally
>     increasing limit
>   * drop bsearch patch since it's already queued
> 
> References to previous versions:
> v2: https://lkml.org/lkml/2015/6/17/276
> v1: http://www.spinics.net/lists/kvm/msg117654.html
> 
> Series allows to tweak vhost's memory regions count limit.
> 
> It fixes VM crashing on memory hotplug due to vhost refusing
> accepting more than 64 memory regions with max_mem_regions
> set to more than 262 slots in default QEMU configuration.
> 
> Igor Mammedov (2):
>   vhost: extend memory regions allocation to vmalloc
>   vhost: add max_mem_regions module parameter
> 
>  drivers/vhost/vhost.c | 28 ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)
> 

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