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SubjectRe: [PATCH v3 2/5] lib: Add Sed-opal library
On Mon, Dec 19, 2016 at 12:35:46PM -0700, Scott Bauer wrote:
> This patch implements the necessary logic to bring an Opal
> enabled drive out of a factory-enabled into a working
> Opal state.
>
> This patch set also enables logic to save a password to
> be replayed during a resume from suspend.
>
> Signed-off-by: Scott Bauer <scott.bauer@intel.com>
> Signed-off-by: Rafael Antognolli <Rafael.Antognolli@intel.com>
> ---
> lib/Makefile | 2 +-
> lib/sed-opal.c | 2376 +++++++++++++++++++++++++++++++++++++++++++++++
> lib/sed-opal_internal.h | 601 ++++++++++++
> lib/sed.c | 197 ++++
> 4 files changed, 3175 insertions(+), 1 deletion(-)
> create mode 100644 lib/sed-opal.c
> create mode 100644 lib/sed-opal_internal.h
> create mode 100644 lib/sed.c
>
> diff --git a/lib/Makefile b/lib/Makefile
> index 50144a3..acb5d82 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -36,7 +36,7 @@ obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
> gcd.o lcm.o list_sort.o uuid.o flex_array.o iov_iter.o clz_ctz.o \
> bsearch.o find_bit.o llist.o memweight.o kfifo.o \
> percpu-refcount.o percpu_ida.o rhashtable.o reciprocal_div.o \
> - once.o
> + once.o sed.o sed-opal.o

This seems like an optional library that some environments may wish to
opt-out of building into the kernel. Any reason not to add an entry into
the Kconfig to turn this on/off?

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