linux-kernel - [PATCH v2 0/2] Drivers: hv: vmbus: Fix sysfs functions that display monitor id and page data

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Date:   Tue, 19 Feb 2019 00:37:54 -0500
From:   Kimberly Brown <kimbrownkd@...il.com>
To:     Michael Kelley <mikelley@...rosoft.com>,
        Long Li <longli@...rosoft.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        devel@...uxdriverproject.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] Drivers: hv: vmbus: Fix sysfs functions that display
 monitor id and page data

Some of the monitor id and monitor page data sysfs files display
incorrect data. This patchset provides the following changes:

1) Change the monitor_pages index in server_monitor_pending_show() to
'0', which is the correct index for the server.

2) If monitor pages are not allocated to a channel, return -EINVAL when
the channel's monitor id and monitor page data sysfs files are opened.
The data that is currently shown in sysfs is incorrect.

Changes in v2:

Patch 1: "Change server monitor_pages index to 0"
 - Added the "Acked-by" line received for v1.

Patch 2: "Return -EINVAL if monitor_allocated not set"
 - Changed the return value for cases where monitor_allocated is not set
   to "-EINVAL" as suggested by S. Hemminger.
 - Updated the commit message to provide more details about the monitor
   page mechanism as suggested by S. Hemminger.
 - Updated the sysfs documentation to describe the new return value.


Kimberly Brown (2):
  Drivers: hv: vmbus: Change server monitor_pages index to 0
  Drivers: hv: vmbus: Return -EINVAL if monitor_allocated not set

 Documentation/ABI/stable/sysfs-bus-vmbus | 15 +++++++--
 drivers/hv/vmbus_drv.c                   | 39 +++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 4 deletions(-)

-- 
2.17.1