From d22c3e0088e85be8131f7a9283f759cdbb20726d Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Wed, 9 Sep 2026 11:29:53 +0200 Subject: selftests/ftrace: Fix unique symbol check in kprobe_non_uniq_symbol.tc The current regex also matches symbols in modules, which makes the test fail on s390 where name_show is present only once in the kernel, but also multiple times in modules: 000001b1401cdc20 t name_show 000001b0c05e6c40 t name_show [mdev] 000001b0c0495f30 t name_show [i2c_core] Fix this by changing the regular expression to only match the function name. Link: https://lore.kernel.org/all/20260909092954.2200558-1-svens@linux.ibm.com/ Fixes: 03b80ff8023a ("selftests/ftrace: Add new test case which checks non unique symbol") Signed-off-by: Sven Schnelle Reviewed-by: Steven Rostedt Signed-off-by: Masami Hiramatsu (Google) --- lib/crypto/arm/blake2b.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 lib/crypto/arm/blake2b.h (limited to 'lib/crypto/arm/blake2b.h') diff --git a/lib/crypto/arm/blake2b.h b/lib/crypto/arm/blake2b.h new file mode 100644 index 000000000..5c7649852 --- /dev/null +++ b/lib/crypto/arm/blake2b.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * BLAKE2b digest algorithm, NEON accelerated + * + * Copyright 2020 Google LLC + */ + +#include +#include + +static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon); + +asmlinkage void blake2b_compress_neon(struct blake2b_ctx *ctx, + const u8 *data, size_t nblocks, u32 inc); + +static void blake2b_compress(struct blake2b_ctx *ctx, + const u8 *data, size_t nblocks, u32 inc) +{ + if (!static_branch_likely(&have_neon) || !may_use_simd()) { + blake2b_compress_generic(ctx, data, nblocks, inc); + return; + } + do { + const size_t blocks = min_t(size_t, nblocks, + SZ_4K / BLAKE2B_BLOCK_SIZE); + + scoped_ksimd() + blake2b_compress_neon(ctx, data, blocks, inc); + + data += blocks * BLAKE2B_BLOCK_SIZE; + nblocks -= blocks; + } while (nblocks); +} + +#define blake2b_mod_init_arch blake2b_mod_init_arch +static void blake2b_mod_init_arch(void) +{ + if (elf_hwcap & HWCAP_NEON) + static_branch_enable(&have_neon); +} -- cgit v1.3.1