Re: [Xen-devel] [PATCH 0/2] Change xs_read_watch interfaces to support variable arguments

[Anthony Liguori <aliguori@xxxxxxxxxx>]

I should mention that I ran the xenstore testsuite (which rocks btw) and 
tested the block devices and network devices.  I haven't tested blktap 
and vtpm but the changes are identical (and I don't have any test cases 
for those).
Regards,

Anthony Liguori

Anthony Liguori wrote:

> The following set of changes modify the read_watch interface in 
> userspace and in the kernel to support variable arguments.  This is in 
> preparation for adding domid to @{introduce,release}Domain watches.  
> This will allow backends to automatically reap on domain destruction 
> which should eliminate a large number of the zombie problems we're 
> having on domain destruction since Xend no longer plays a role in 
> freeing that memory.
> The interface for read_watch is now consistent between userspace and 
> kernel space.  It's modelled after xs_read_directory.  The returned 
> array is indexable via XS_WATCH_* macros.
> While slightly awkward, IMHO it seems like the cleanest and most 
> flexible option of the proposed interfaces.
> Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>
>
> Regards,
>
> Anthony Liguori
>
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