Re: [Xen-devel] [PATCH V6 0/3] Vm_event memory introspection helpers

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jul 15, 2015 at 11:45:46AM +0300, Razvan Cojocaru wrote:
> This series addresses reviews addressed to V5. All patches have
> at least one ack, and the modifications are minor.
> 
> Patch 2/3 has not been modified at all, and the only modification
> in patch 3/3 is that it now uses vzalloc() / vfree() instead of
> xzalloc_array() / xfree(), and both patch 3/3 and 1/3 now set
> the allocated data to NULL after freeing it on domain destruction
> paths.
> 
> Patch 1/3 does has slightly more modifications, however they are
> mostly cosmetic (the only non-cosmetic one is that the patch now
> bypasses a hvm_copy_from_guest_phys() call that did no harm but
> was unnecessary).
> 
> As discussed, I've kept the better-safe-than-sorry approach of
> freeing allocated data on both domain destruction paths and
> vm_event_cleanup(), based on the comments in
> shadow_final_teardown(), which imply that it is theoretically
> possible to end up on a domain destruction path without
> domain_kill() being called (and domain_kill() does the
> vm_event_cleanup()).
> 
> [PATCH V6 1/3] xen/mem_access: Support for memory-content hiding
> [PATCH V6 2/3] xen/vm_event: Support for guest-requested events
> [PATCH V6 3/3] xen/vm_event: Deny register writes if refused by
> vm_event reply
> 
> 
> Thanks in advance for your reviews,
> Razvan

Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Subject to all concerns from maintainers addressed.

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