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Filename Latest commit message Latest commit date
Dan Williams 9282496aac nvdimm: Allow overwrite in the presence of disabled dimms
[ Upstream commit bb7bf697fed58eae9d3445944e457ab0de4da54f ]

It is not clear why the original implementation of overwrite support
required the dimm driver to be active before overwrite could proceed. In
fact that can lead to cases where the kernel retains an invalid cached
copy of the labels from before the overwrite. Unfortunately the kernel
has not only allowed that case, but enforced it.

Going forward, allow for overwrite to happen while the label area is
offline, and follow-on with updates to 'ndctl sanitize-dimm --overwrite'
to trigger the label area invalidation by default.

Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Reported-by: Krzysztof Kensicki <krzysztof.kensicki@intel.com>
Fixes: 7d988097c5 ("acpi/nfit, libnvdimm/security: Add security DSM overwrite support")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 18:11:40 +02:00
arch powerpc/fadump: fix PT_LOAD segment for boot memory area 2022-06-14 18:11:40 +02:00
block block: return ELEVATOR_DISCARD_MERGE if possible 2022-05-25 09:14:38 +02:00
certs
crypto crypto: ecrdsa - Fix incorrect use of vli_cmp 2022-06-06 08:33:50 +02:00
Documentation hwmon: Make chip parameter for with_info API mandatory 2022-06-14 18:11:29 +02:00
drivers nvdimm: Allow overwrite in the presence of disabled dimms 2022-06-14 18:11:40 +02:00
fs ext4: reject the 'commit' option on ext2 filesystems 2022-06-14 18:11:38 +02:00
include scsi: fcoe: Fix Wstringop-overflow warnings in fcoe_wwn_from_mac() 2022-06-14 18:11:40 +02:00
init init/main.c: return 1 from handled __setup() functions 2022-04-15 14:18:35 +02:00
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-01 09:23:35 +01:00
kernel sched/fair: Fix cfs_rq_clock_pelt() for throttled cfs_rq 2022-06-14 18:11:33 +02:00
lib assoc_array: Fix BUG_ON during garbage collect 2022-06-06 08:33:50 +02:00
LICENSES
mm zsmalloc: fix races between asynchronous zspage free and page migration 2022-06-06 08:33:50 +02:00
net net/smc: postpone sk_refcnt increment in connect() 2022-06-14 18:11:39 +02:00
samples
scripts scripts/faddr2line: Fix overlapping text section failures 2022-06-14 18:11:37 +02:00
security lockdown: also lock down previous kgdb use 2022-06-06 08:33:48 +02:00
sound ASoC: wm2000: fix missing clk_disable_unprepare() on error in wm2000_anc_transition() 2022-06-14 18:11:38 +02:00
tools perf tools: Add missing headers needed by util/data.h 2022-06-14 18:11:34 +02:00
usr
virt KVM: Prevent module exit until all VMs are freed 2022-04-15 14:18:27 +02:00
.clang-format
.cocciconfig
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.gitattributes
.gitignore
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COPYING
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Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.197 2022-06-06 08:33:51 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.