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Pavel Begunkov 3c61c6aa45 bvec/iter: disallow zero-length segment bvecs 
zero-length bvec segments are allowed in general, but not handled by bio
and down the block layer so filtered out. This inconsistency may be
confusing and prevent from optimisations. As zero-length segments are
useless and places that were generating them are patched, declare them
not allowed.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 9b2e0016d04c6542ace0128eb82ecb3b10c97e43)
(cherry picked from commit 87afbd40acbb99860f846ad6f199e62e93be96c2)
(cherry picked from commit f0677085687d50b5ecd6e7a2e19e4aff23251cb6)
(cherry picked from commit affb154c088db678d4a541f8a4080fa5088cb10b)
(cherry picked from commit 9b383b80e8432af1d0421acf9287076db26996d7)
(cherry picked from commit f643066fcac50220888ecfe9b86c5d895d621648)
(cherry picked from commit d2f588cf9664d76f78287142f505e4f375503ae6)
2024-11-19 17:42:21 +01:00
..
ABI PM / devfreq: Fix buffer overflow in trans_stat_show 2024-11-19 11:32:38 +01:00
accounting Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
admin-guide x86/cpu: Enable STIBP on AMD if Automatic IBRS is enabled 2024-11-19 09:22:43 +01:00
arm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
arm64 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block bvec/iter: disallow zero-length segment bvecs 2024-11-19 17:42:21 +01:00
bpf Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cdrom Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
core-api Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cpu-freq Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
crypto Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dev-tools Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
device-mapper Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
devicetree dt-bindings: i2c: google,cros-ec-i2c-tunnel: correct path to i2c-controller schema 2024-11-19 14:19:10 +01:00
doc-guide Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
driver-api fpga: region: add owner module and take its refcount 2024-11-19 12:27:04 +01:00
fault-injection Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
features Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
filesystems bvec/iter: disallow zero-length segment bvecs 2024-11-19 17:42:21 +01:00
firmware-guide Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
firmware_class Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fpga Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gpu Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hid Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hwmon Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ia64 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ide Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
infiniband Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
input Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
isdn Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kbuild Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kernel-hacking Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
leds Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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livepatch Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
locking Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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misc-devices Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netlabel Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
networking net: change accept_ra_min_rtr_lft to affect all RA lifetimes 2024-11-08 11:25:47 +01:00
nios2 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nvdimm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
openrisc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
parisc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
PCI Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pcmcia Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
power Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
powerpc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
process overflow: Implement size_t saturating arithmetic helpers 2024-11-18 11:42:47 +01:00
RCU Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
riscv Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s390 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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security Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sound ASoC: doc: Fix undefined SND_SOC_DAPM_NOPM argument 2024-11-18 12:13:17 +01:00
sparc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sphinx docs: kernel_include.py: Cope with docutils 0.21 2024-11-19 12:26:50 +01:00
sphinx-static Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
spi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
staging Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
target Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
timers Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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usb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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w1 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
x86 x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key 2024-11-19 09:22:40 +01:00
xtensa Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
asm-annotations.rst Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
atomic_bitops.txt Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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