linux-kernel - [PATCH 0/2] sysfs: allow user-space request for devcoredump

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Date:   Tue, 19 Dec 2017 11:03:20 +0100
From:   Arend van Spriel <arend.vanspriel@...adcom.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Arend van Spriel <aspriel@...il.com>
Subject: [PATCH 0/2] sysfs: allow user-space request for devcoredump

From: Arend van Spriel <aspriel@...il.com>

Since commit 833c95456a70 ("device coredump: add new device coredump class")
device drivers have a unified way to provide binary data obtained from a
failing_device to user-space. However, there may be use-cases in which the
driver has no reason to obtain the data, but user-space wants to initiate
it. This adds a coredump device attribute in sysfs when the driver bound to
the device supports the newly added coredump driver callback.

These patches apply to the driver-core-next branch of the driver-core
repository.

Arend van Spriel (2):
  sysfs: add attribute specification for /sysfs/devices/.../coredump
  drivers: base: add coredump driver ops

 Documentation/ABI/testing/sysfs-devices-coredump | 10 ++++++
 drivers/base/dd.c                                | 40 +++++++++++++++++++-----
 include/linux/device.h                           |  2 +-
 3 files changed, 44 insertions(+), 8 deletions(-)
 create mode 100644 Documentation/ABI/testing/sysfs-devices-coredump

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1.9.1