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Filename Latest commit message Latest commit date
Stefan Haberland 042683917f s390/dasd: prevent inconsistent LCU device data
commit a29ea01653493b94ea12bb2b89d1564a265081b6 upstream.

Prevent _lcu_update from adding a device to a pavgroup if the LCU still
requires an update. The data is not reliable any longer and in parallel
devices might have been moved on the lists already.
This might lead to list corruptions or invalid PAV grouping.
Only add devices to a pavgroup if the LCU is up to date. Additional steps
are taken by the scheduled lcu update.

Fixes: 8e09f21574 ("[S390] dasd: add hyper PAV support to DASD device driver, part 1")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-30 11:51:34 +01:00
arch s390/kexec_file: fix diag308 subcode when loading crash kernel 2020-12-30 11:51:34 +01:00
block
certs
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Documentation
drivers s390/dasd: prevent inconsistent LCU device data 2020-12-30 11:51:34 +01:00
fs
include PM: ACPI: PCI: Drop acpi_pm_set_bridge_wakeup() 2020-12-30 11:51:32 +01:00
init initramfs: fix clang build failure 2020-12-30 11:51:30 +01:00
ipc
kernel
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mm
net lwt: Disable BH too in run_lwt_bpf() 2020-12-30 11:51:30 +01:00
samples
scripts kconfig: fix return value of do_error_if() 2020-12-30 11:51:29 +01:00
security
sound ALSA: core: memalloc: add page alignment for iram 2020-12-30 11:51:34 +01:00
tools perf probe: Fix memory leak when synthesizing SDT probes 2020-12-30 11:51:29 +01:00
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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.