linux-kernel - [PATCH 0/1] Drivers: hv: hv_balloon: do not online pages in offline blocks

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Date:	Wed, 25 Mar 2015 19:01:59 +0100
From:	Vitaly Kuznetsov <vkuznets@...hat.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	Haiyang Zhang <haiyangz@...rosoft.com>,
	devel@...uxdriverproject.org, linux-kernel@...r.kernel.org,
	Dexuan Cui <decui@...rosoft.com>
Subject: [PATCH 0/1] Drivers: hv: hv_balloon: do not online pages in offline blocks

Patch 1/1 is rather a hackaround. The root cause of the issue is the fact that
we're adding not fully backed memory blocks and allow to online them. It is 
relatively easy to forbid that and add only fully backed 128Mb regions. The whole
driver code will be much simpler: hv_bring_pgs_online() and hv_online_page()
will go away, ha_region_mutex won't probably be required,... Please let me know
if you think I should follow this way.

Vitaly Kuznetsov (1):
  Drivers: hv: hv_balloon: do not online pages in offline blocks

 drivers/hv/hv_balloon.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

-- 
1.9.3

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