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Date: Tue, 19 Dec 2017 11:03:21 +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 1/2] sysfs: add attribute specification for /sysfs/devices/.../coredump From: Arend van Spriel <aspriel@...il.com> This patch adds the specification for /sysfs/devices/.../coredump which allows user-space to trigger a device coredump obtaining binary data from the device for (fault) analysis. It relies on CONFIG_DEV_COREDUMP being enabled. Signed-off-by: Arend van Spriel <aspriel@...il.com> --- Documentation/ABI/testing/sysfs-devices-coredump | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-devices-coredump diff --git a/Documentation/ABI/testing/sysfs-devices-coredump b/Documentation/ABI/testing/sysfs-devices-coredump new file mode 100644 index 0000000..5989255 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-coredump @@ -0,0 +1,10 @@ +What: /sys/devices/.../coredump +Date: December 2017 +Contact: Arend van Spriel <arend.vanspriel@...adcom.com> +Description: + The /sys/devices/.../coredump attribute is only present when the + device is bound to a driver, which provides the .coredump() + callback. The attribute is write only. Anything written to this + file will trigger the .coredump() callback. + + Available when CONFIG_DEV_COREDUMP is enabled. -- 1.9.1
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