From: Eric Biggers
Move the mips CRC32 assembly code into the lib directory and wire it up
to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all the
ar
From: Eric Biggers
Move the powerpc CRC32C assembly code into the lib directory and wire it
up to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all th
From: Eric Biggers
Remove the leading underscores from __crc32c_le_base().
This is in preparation for adding crc32c_le_arch() and eventually
renaming __crc32c_le() to crc32c_le().
Reviewed-by: Ard Biesheuvel
Signed-off-by: Eric Biggers
---
arch/arm64/lib/crc32-glue.c | 2 +-
arch/riscv/lib/c
From: Eric Biggers
Currently the CRC32 library functions are defined as weak symbols, and
the arm64 and riscv architectures override them.
This method of arch-specific overrides has the limitation that it only
works when both the base and arch code is built-in. Also, it makes the
arch-specific
From: Eric Biggers
Now that the crc32c() library function directly takes advantage of
architecture-specific optimizations, it is unnecessary to go through the
crypto API. Just use crc32c(). This is much simpler, and it improves
performance due to eliminating the crypto API overhead.
Reviewed-b
From: Eric Biggers
Now that the crc32c() library function directly takes advantage of
architecture-specific optimizations, it is unnecessary to go through the
crypto API. Just use crc32c(). This is much simpler, and it improves
performance due to eliminating the crypto API overhead.
Reviewed-b
From: Eric Biggers
- Change the len parameter from unsigned int to size_t, so that the
library function which takes a size_t can safely use this code.
- Rename to crc32c_x86_3way() which is much clearer.
- Move the crc parameter to the front, as this is the usual convention.
Reviewed-by: Ard
From: Eric Biggers
Make the CRC32 library export a function crc32_optimizations() which
returns flags that indicate which CRC32 functions are actually executing
optimized code at runtime.
This will be used to determine whether the crc32[c]-$arch shash
algorithms should be registered in the crypt
From: Eric Biggers
Move the x86 CRC32 assembly code into the lib directory and wire it up
to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all the
arc
From: Eric Biggers
- Change the len parameter from unsigned int to size_t, so that the
library function which takes a size_t can safely use this code.
- Move the crc parameter to the front, as this is the usual convention.
Reviewed-by: Ard Biesheuvel
Signed-off-by: Eric Biggers
---
arch/x8
This patchset applies to v6.13-rc1 and is also available in git via:
git fetch
https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git crc32-lib-v4
CRC32 is a family of common non-cryptographic integrity check algorithms
that are fairly fast with a portable C implementation and be
From: Eric Biggers
Move the s390 CRC32 assembly code into the lib directory and wire it up
to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all the
ar
From: Eric Biggers
Move the arm CRC32 assembly code into the lib directory and wire it up
to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all the
arc
From: Eric Biggers
Explicitly select CRYPTO from BCACHEFS_FS, so that this dependency of
CRYPTO_SHA256, CRYPTO_CHACHA20, and CRYPTO_POLY1305 (which are also
selected) is satisfied. Currently this dependency is satisfied
indirectly via LIBCRC32C, but this is fragile and is planned to change
(http
From: Eric Biggers
Now that the lower level __crc32c_le() library function is optimized for
each architecture, make crc32c() just call that instead of taking an
inefficient and error-prone detour through the shash API.
Note: a future cleanup should make crc32c_le() be the actual library
function
From: Eric Biggers
Move the sparc CRC32C assembly code into the lib directory and wire it
up to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all the
From: Eric Biggers
Now that the crc32() library function takes advantage of
architecture-specific optimizations, it is unnecessary to go through the
crypto API. Just use crc32(). This is much simpler, and it improves
performance due to eliminating the crypto API overhead.
Reviewed-by: Ard Bies
From: Eric Biggers
Instead of registering the crc32-$arch and crc32c-$arch algorithms if
the arch-specific code was built, only register them when that code was
built *and* is not falling back to the base implementation at runtime.
This avoids confusing users like btrfs which checks the shash dr
From: Eric Biggers
Now that the crc32c() library function directly takes advantage of
architecture-specific optimizations, it is unnecessary to go through the
crypto API. Just use crc32c(). This is much simpler, and it improves
performance due to eliminating the crypto API overhead.
Reviewed-b
From: Eric Biggers
Move the loongarch CRC32 assembly code into the lib directory and wire
it up to the library interface. This allows it to be used without going
through the crypto API. It remains usable via the crypto API too via
the shash algorithms that use the library interface. Thus all t
In SSR mode, the segment selected for allocation might be the same as
the target segment of the GC triggered by ioctl, resulting in the GC
moving the CURSEG_I(sbi, type)->segno.
Fixes: e066b83c9b40 ("f2fs: add ioctl to flush data from faster device to cold
area")
Signed-off-by: Yongpeng Yang
---
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