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| author | Eduard Zingerman <eddyz87@gmail.com> | 2026-09-04 17:05:56 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-09-04 18:17:30 -0700 |
| commit | 506ada89629ec7059b96ecfb0dc7d33ece0103ca (patch) | |
| tree | 0b07297409b68d2333fb4f0eae7f3b072eb68d4c /drivers/md/bcache/Kconfig | |
| download | linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.tar.gz linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.zip | |
bpf: mark a NULL kfunc argument precisegrafted
check_kfunc_arg() allows bpf_register_is_null() for nullable arguments
w/o marking the underlying scalar register precise. Hence a checkpoint
created on such a path would prune against arbitrary scalar value.
Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)")
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/md/bcache/Kconfig')
| -rw-r--r-- | drivers/md/bcache/Kconfig | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig new file mode 100644 index 000000000..b2d10063d --- /dev/null +++ b/drivers/md/bcache/Kconfig @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config BCACHE + tristate "Block device as cache" + select BLOCK_HOLDER_DEPRECATED if SYSFS + select CRC64 + select CLOSURES + help + Allows a block device to be used as cache for other devices; uses + a btree for indexing and the layout is optimized for SSDs. + + See Documentation/admin-guide/bcache.rst for details. + +config BCACHE_DEBUG + bool "Bcache debugging" + depends on BCACHE + help + Don't select this option unless you're a developer + + Enables extra debugging tools, allows expensive runtime checks to be + turned on. + +config BCACHE_ASYNC_REGISTRATION + bool "Asynchronous device registration" + depends on BCACHE + help + Add a sysfs file /sys/fs/bcache/register_async. Writing registering + device path into this file will returns immediately and the real + registration work is handled in kernel work queue in asynchronous + way. |