Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric Biggers |
107 |
72.79% |
3 |
37.50% |
| Jussi Kivilinna |
19 |
12.93% |
1 |
12.50% |
| Ard Biesheuvel |
18 |
12.24% |
1 |
12.50% |
| Herbert Xu |
2 |
1.36% |
2 |
25.00% |
| Arnd Bergmann |
1 |
0.68% |
1 |
12.50% |
| Total |
147 |
|
8 |
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arm32-optimized SHA-512 block function
*
* Copyright 2025 Google LLC
*/
#include <asm/neon.h>
#include <asm/simd.h>
static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
asmlinkage void sha512_block_data_order(struct sha512_block_state *state,
const u8 *data, size_t nblocks);
asmlinkage void sha512_block_data_order_neon(struct sha512_block_state *state,
const u8 *data, size_t nblocks);
static void sha512_blocks(struct sha512_block_state *state,
const u8 *data, size_t nblocks)
{
if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) &&
static_branch_likely(&have_neon) && likely(may_use_simd())) {
kernel_neon_begin();
sha512_block_data_order_neon(state, data, nblocks);
kernel_neon_end();
} else {
sha512_block_data_order(state, data, nblocks);
}
}
#ifdef CONFIG_KERNEL_MODE_NEON
#define sha512_mod_init_arch sha512_mod_init_arch
static void sha512_mod_init_arch(void)
{
if (cpu_has_neon())
static_branch_enable(&have_neon);
}
#endif /* CONFIG_KERNEL_MODE_NEON */