Il 15/04/2013 03:42, liu ping fan ha scritto:
It will work because readers will grab either the hostmem_lock or the
BQL, while writers will grab both. A kind of local/global lock, but I'm
No only hostmem_lock is used to protect readers from writers. While
the writers are protected agaist
On Fri, Apr 12, 2013 at 6:03 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 12/04/2013 10:38, Stefan Hajnoczi ha scritto:
Yes, protect. Supposed we have HostMem A, and it will become B. Then
hostmem_lookup will either see A or B. If it see A, it should use A
refcnt agaist
On Thu, Apr 11, 2013 at 6:09 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 01/04/2013 10:20, Liu Ping Fan ha scritto:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also this patch adopt
On Fri, Apr 12, 2013 at 02:46:41PM +0800, liu ping fan wrote:
On Thu, Apr 11, 2013 at 6:09 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 01/04/2013 10:20, Liu Ping Fan ha scritto:
Finally, please split this patch and patch 3 differently:
1) add HostMemRegions
2) add ref/unref of
On Fri, Apr 12, 2013 at 11:55:39AM +0800, liu ping fan wrote:
On Thu, Apr 11, 2013 at 6:11 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Apr 01, 2013 at 04:20:31PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to
Il 12/04/2013 10:38, Stefan Hajnoczi ha scritto:
Yes, protect. Supposed we have HostMem A, and it will become B. Then
hostmem_lookup will either see A or B. If it see A, it should use A
refcnt agaist hostmem_listener_commit to drop A. This refcnt has no
relation with mr's object's
Il 01/04/2013 10:20, Liu Ping Fan ha scritto:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also this patch adopt MemoryRegionOps's ref/unref interface to
make it survive the RAM
On Mon, Apr 01, 2013 at 04:20:31PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also this patch adopt MemoryRegionOps's ref/unref interface to
make it survive
Il 11/04/2013 12:11, Stefan Hajnoczi ha scritto:
Also, these sync gcc builtins are not available on all platforms or gcc
versions. We need to be a little careful to avoid breaking builds here.
Maybe __sync_add_and_fetch() is fine but I wanted to mention it because
I've had trouble with these
On Thu, Apr 11, 2013 at 6:11 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Apr 01, 2013 at 04:20:31PM +0800, Liu Ping Fan wrote:
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also
在 2013-04-01一的 16:20 +0800，Liu Ping Fan写道：
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also this patch adopt MemoryRegionOps's ref/unref interface to
make it survive the RAM hotunplug.
From: Liu Ping Fan pingf...@linux.vnet.ibm.com
The hostmem listener will translate gpa to hva quickly. Make it
global, so other component can use it.
Also this patch adopt MemoryRegionOps's ref/unref interface to
make it survive the RAM hotunplug.
Signed-off-by: Liu Ping Fan
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