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SubjectLinux 5.12-rc1
So two weeks have passed since the 5.11 release, and so - like
clockwork - the merge window for 5.12 has closed, and 5.12-rc1 is out
there for your perusal.

That said, we have now have two unusual merge windows in a row: first
we had the holiday season, and this time around the Portland area had
over a quarter million people without electricity because we had a
winter ice storm that took down thousands of trees, and lots of
electricity lines.

So I was actually without electricity for six days of the merge
window, and was seriously considering just extending the merge window
to get everything done.

As you can tell, I didn't do that. To a large part because people were
actually very good about sending in their pull requests, so by the
time I finally got power back, everything was nicely lined up and I
got things merged up ok.

But partly this is also because 5.12 is a smaller release than some
previous ones - and that wasn't due to the lack of electricity, that
showed independently in the statistics in the linux-next tree. Of
course, "smaller" is all relative, but instead of the 12-13+k commits
we've had the last few releases, linux-next this time only had 10+k
commits lined up. So that helped things a bit.

That said, if my delayed merging caused issues for anybody, please
holler and explain to me, and I'll be flexible during the rc2 week.
But that's _not_ a blanket "I'll take late pulls", that's very much a
"if my delayed merge caused problems for some tree, explain why, and
I'll work with you".

Anyway, on to the actual changes. Even if it was a slightly smaller
merge window than previous ones, it's still big enough that appended
is just my usual merge log, not the full list of the 10982 non-merge
commits by 1500+ people. So it's more of a flavor of the kinds of
things that have happened rather than a deep dive.

The one thing that perhaps stands out is that this release actually
did a fair amount of historical cleanup. Yes, overall we still have
more new lines than we have removed lines, but we did have some spring
cleaning, removing the legacy OPROFILE support (the user tools have
been using the "perf" interface for years), and removing several
legacy SoC platforms and various drivers that no longer make any
sense.

So even if we more than made up for that with all the _new_ drivers
and code we added, that kind of cleanup is always nice to see.

Linus

---

Al Viro (6):
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i3c update
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NFS Client Updates

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Arnaldo Carvalho de Melo (1):
perf tool updates

Arnd Bergmann (6):
ARM SoC fixes
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Bartosz Golaszewski (1):
gpio updates

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chrome platform updates

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hwspinlock updates
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EDAC updates
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Casey Schaufler (1):
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idmapped mounts

Christoph Hellwig (1):
dma-mapping updates

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nfsd updates
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IPMI update

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zonefs updates

Dan Williams (2):
libnvdimm and device-dax updates
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Daniel Lezcano (1):
thermal updates

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kgdb updates

Daniel Vetter (2):
kcmp kconfig update
follow_pfn() updates

Darrick Wong (3):
iomap updates
xfs updates
more xfs updates

Dave Airlie (2):
drm updates
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David Howells (1):
keyring updates

David Kleikamp (1):
jfs updates

David Miller (2):
networking updates
sparc updates

David Sterba (2):
AFFS fix
btrfs updates

Dennis Zhou (1):
percpu updates

Dmitry Torokhov (1):
input updates

Dominik Brodowski (1):
pcmcia update

Eric Biederman (1):
user namespace update

Eric Biggers (1):
fsverity updates

Gao Xiang (1):
erofs updates

Geert Uytterhoeven (1):
m68k updates

Greentime Hu (1):
nds32 updates

Greg KH (5):
tty/serial driver updates
USB and Thunderbolt updates
staging and IIO driver updates
driver core / debugfs update
char/misc driver updates

Greg Ungerer (1):
m68knommu update

Guenter Roeck (1):
hwmon updates

Guo Ren (1):
arch/csky updates

Hans de Goede (1):
x86 platform driver updates

Helge Deller (1):
parisc updates

Herbert Xu (1):
crypto update

Ilya Dryomov (1):
ceph updates

Ingo Molnar (5):
RCU updates
locking updates
tlb gather updates
scheduler updates
performance event updates

Jaegeuk Kim (1):
f2fs updates

Jakub Kicinski (1):
networking fixes

James Bottomley (2):
SCSI updates
more SCSI updates

Jan Kara (3):
lazytime updates
fsnotify update
isofs, udf, and quota updates

Jarkko Sakkinen (1):
tpm updates

Jason Gunthorpe (1):
rdma updates

Jassi Brar (1):
mailbox updates

Jeff Layton (1):
fcntl fix

Jens Axboe (9):
libata updates
core block updates
block driver updates
io_uring updates
block IPI updates
more io_uring updates
io_uring thread rewrite
more block updates
ide fix

Jessica Yu (1):
module updates

Jiri Kosina (1):
HID updates

Joerg Roedel (1):
iommu updates

Jonathan Corbet (2):
documentation updates
documentation fixes

Juergen Gross (2):
xen updates
more xen updates

Kees Cook (6):
pstore fix
seccomp updates
clang LTO updates
more clang LTO updates
clang LTO fixes
orphan handling fix

Konrad Rzeszutek Wilk (1):
swiotlb updates

Lee Jones (2):
backlight updates
MFD updates

Ley Foon Tan (1):
arch/nios2 updates

Linus Walleij (1):
pin control updates

Mark Brown (3):
regmap update
regulator updates
spi updates

Masahiro Yamada (2):
Kbuild updates
Kbuild fixes

Mauro Carvalho Chehab (1):
media updates

Michael Ellerman (1):
powerpc updates

Michael Tsirkin (1):
virtio updates

Michal Simek (1):
microblaze updates

Miguel Ojeda (1):
auxdisplay updates

Mike Rapoport (1):
memblock update

Mike Snitzer (1):
device mapper updates

Mimi Zohar (1):
IMA updates

Namjae Jeon (1):
exfat updates

Palmer Dabbelt (2):
RISC-V updates
more RISC-V updates

Paolo Bonzini (2):
KVM updates
more KVM updates

Paul Moore (2):
selinux updates
audit updates

Pavel Machek (1):
LED updates

Petr Mladek (2):
printk updates
livepatching updates

Rafael Wysocki (7):
power management updates
ACPI updates
PNP updates
more power management updates
more ACPI updates
Simple Firmware Interface (SFI) support removal
more ACPI updates

Richard Weinberger (3):
UML updates
MTD updates
JFFS2/UBIFS and UBI updates

Rob Herring (1):
devicetree updates

Russell King (1):
ARM updates

Sebastian Reichel (2):
power supply and reset updates
HSI update

Shuah Khan (1):
Kselftest updates
KUnit updates

Stafford Horne (1):
OpenRISC updates

Stephen Boyd (1):
clk updates

Steve French (1):
cifs updates

Steven Rostedt (2):
tracing updates
tracing fixes

Takashi Iwai (1):
sound updates

Ted Ts'o (1):
ext4 updates

Tejun Heo (2):
cgroup updates
qorkqueue updates

Tetsuo Handa (1):
tomoyo updates

Thierry Reding (1):
pwm updates

Thomas Bogendoerfer (2):
MIPS updates
more MIPS updates

Thomas Gleixner (5):
irq updates
timer updates
timer fixes
objtool updates
x86 irq entry updates

Ulf Hansson (1):
MMC updates

Vasily Gorbik (2):
s390 updates
more s390 updates

Vinod Koul (1):
dmaengine updates

Viresh Kumar (1):
oprofile and dcookies removal

Wei Liu (1):
Hyper-V updates

Will Deacon (2):
arm64 updates
arm64 fixes

Wim Van Sebroeck (1):
watchdog updates

Wolfram Sang (2):
i2c updates
i2c fixes

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