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Date: Tue, 9 Nov 2021 17:09:05 -0800
From: Eric Dumazet <eric.dumazet@...il.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>,
Eric Dumazet <edumazet@...gle.com>,
Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH 1/2] jump_label: use DEFINE_STATIC_KEY_FALSE_RO() where possible
From: Eric Dumazet <edumazet@...gle.com>
Use DEFINE_STATIC_KEY_FALSE_RO(X) instead of
__ro_after_init DEFINE_STATIC_KEY_FALSE(X)
This is in preparation for following patch,
and is a functional nop.
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
arch/arm/crypto/chacha-glue.c | 2 +-
arch/arm/crypto/curve25519-glue.c | 2 +-
arch/arm/crypto/ghash-ce-glue.c | 2 +-
arch/arm/crypto/poly1305-glue.c | 2 +-
arch/arm64/crypto/chacha-neon-glue.c | 2 +-
arch/arm64/crypto/poly1305-glue.c | 2 +-
arch/powerpc/mm/book3s64/slb.c | 2 +-
arch/riscv/kernel/cpufeature.c | 2 +-
arch/x86/crypto/aesni-intel_glue.c | 4 ++--
arch/x86/crypto/blake2s-glue.c | 4 ++--
arch/x86/crypto/chacha_glue.c | 6 +++---
arch/x86/crypto/curve25519-x86_64.c | 2 +-
arch/x86/crypto/poly1305_glue.c | 6 +++---
crypto/aegis128-core.c | 2 +-
14 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/arch/arm/crypto/chacha-glue.c b/arch/arm/crypto/chacha-glue.c
index cdde8fd01f8f9b167e9ab7a7da1d8fff595197bc..31294e28be96d1a0f5b00114efe4baabe934646f 100644
--- a/arch/arm/crypto/chacha-glue.c
+++ b/arch/arm/crypto/chacha-glue.c
@@ -30,7 +30,7 @@ asmlinkage void hchacha_block_neon(const u32 *state, u32 *out, int nrounds);
asmlinkage void chacha_doarm(u8 *dst, const u8 *src, unsigned int bytes,
const u32 *state, int nrounds);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(use_neon);
+static DEFINE_STATIC_KEY_FALSE_RO(use_neon);
static inline bool neon_usable(void)
{
diff --git a/arch/arm/crypto/curve25519-glue.c b/arch/arm/crypto/curve25519-glue.c
index 9bdafd57888c859f580ffbcadfd3b63070e8c780..9c41ee494bf37bdf298b24e4750836409c3e37cf 100644
--- a/arch/arm/crypto/curve25519-glue.c
+++ b/arch/arm/crypto/curve25519-glue.c
@@ -23,7 +23,7 @@ asmlinkage void curve25519_neon(u8 mypublic[CURVE25519_KEY_SIZE],
const u8 secret[CURVE25519_KEY_SIZE],
const u8 basepoint[CURVE25519_KEY_SIZE]);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
+static DEFINE_STATIC_KEY_FALSE_RO(have_neon);
void curve25519_arch(u8 out[CURVE25519_KEY_SIZE],
const u8 scalar[CURVE25519_KEY_SIZE],
diff --git a/arch/arm/crypto/ghash-ce-glue.c b/arch/arm/crypto/ghash-ce-glue.c
index f13401f3e6693211c95e266d9676c79710755ebf..7bcede16b770635373b4b57e2609cd95822f6c84 100644
--- a/arch/arm/crypto/ghash-ce-glue.c
+++ b/arch/arm/crypto/ghash-ce-glue.c
@@ -48,7 +48,7 @@ asmlinkage void pmull_ghash_update_p64(int blocks, u64 dg[], const char *src,
asmlinkage void pmull_ghash_update_p8(int blocks, u64 dg[], const char *src,
u64 const h[][2], const char *head);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(use_p64);
+static DEFINE_STATIC_KEY_FALSE_RO(use_p64);
static int ghash_init(struct shash_desc *desc)
{
diff --git a/arch/arm/crypto/poly1305-glue.c b/arch/arm/crypto/poly1305-glue.c
index c31bd8f7c0927e5226984b6573c3d4d76a1d445c..6f90cb56b76233c5ebb3d86834dbd02d78243871 100644
--- a/arch/arm/crypto/poly1305-glue.c
+++ b/arch/arm/crypto/poly1305-glue.c
@@ -27,7 +27,7 @@ void __weak poly1305_blocks_neon(void *state, const u8 *src, u32 len, u32 hibit)
{
}
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
+static DEFINE_STATIC_KEY_FALSE_RO(have_neon);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
diff --git a/arch/arm64/crypto/chacha-neon-glue.c b/arch/arm64/crypto/chacha-neon-glue.c
index af2bbca38e70fb3514bf594cafffbf907c8eeffa..7af3bad091554fb5f40801948df62d6b4ae0ac72 100644
--- a/arch/arm64/crypto/chacha-neon-glue.c
+++ b/arch/arm64/crypto/chacha-neon-glue.c
@@ -37,7 +37,7 @@ asmlinkage void chacha_4block_xor_neon(u32 *state, u8 *dst, const u8 *src,
int nrounds, int bytes);
asmlinkage void hchacha_block_neon(const u32 *state, u32 *out, int nrounds);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
+static DEFINE_STATIC_KEY_FALSE_RO(have_neon);
static void chacha_doneon(u32 *state, u8 *dst, const u8 *src,
int bytes, int nrounds)
diff --git a/arch/arm64/crypto/poly1305-glue.c b/arch/arm64/crypto/poly1305-glue.c
index 9c3d86e397bf3a1fd9302c0a3057913f9a6ed9ca..efa8a0ce3c1a4262d3910aa4a4e2823be53f5dae 100644
--- a/arch/arm64/crypto/poly1305-glue.c
+++ b/arch/arm64/crypto/poly1305-glue.c
@@ -23,7 +23,7 @@ asmlinkage void poly1305_blocks(void *state, const u8 *src, u32 len, u32 hibit);
asmlinkage void poly1305_blocks_neon(void *state, const u8 *src, u32 len, u32 hibit);
asmlinkage void poly1305_emit(void *state, u8 *digest, const u32 *nonce);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
+static DEFINE_STATIC_KEY_FALSE_RO(have_neon);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
diff --git a/arch/powerpc/mm/book3s64/slb.c b/arch/powerpc/mm/book3s64/slb.c
index f0037bcc47a0eb57a6f3aaf9062fa0bb43843705..ed17fd9753532853550212289561cbabe49985ab 100644
--- a/arch/powerpc/mm/book3s64/slb.c
+++ b/arch/powerpc/mm/book3s64/slb.c
@@ -40,7 +40,7 @@ static int __init parse_stress_slb(char *p)
}
early_param("stress_slb", parse_stress_slb);
-__ro_after_init DEFINE_STATIC_KEY_FALSE(stress_slb_key);
+DEFINE_STATIC_KEY_FALSE_RO(stress_slb_key);
static void assert_slb_presence(bool present, unsigned long ea)
{
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index d959d207a40d6cbe5662833b36cf222a3a750eb6..439ef56d183d08a0f1dbccae50e928d9a2241e40 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -19,7 +19,7 @@ unsigned long elf_hwcap __read_mostly;
static DECLARE_BITMAP(riscv_isa, RISCV_ISA_EXT_MAX) __read_mostly;
#ifdef CONFIG_FPU
-__ro_after_init DEFINE_STATIC_KEY_FALSE(cpu_hwcap_fpu);
+DEFINE_STATIC_KEY_FALSE_RO(cpu_hwcap_fpu);
#endif
/**
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index e09f4672dd382f5ac5c6d95a80592653de072072..66e7a5cc6b61c0f783be93bf6bdb24c5acf179be 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -181,8 +181,8 @@ asmlinkage void aesni_gcm_finalize_avx_gen4(void *ctx,
struct gcm_context_data *gdata,
u8 *auth_tag, unsigned long auth_tag_len);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(gcm_use_avx);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(gcm_use_avx2);
+static DEFINE_STATIC_KEY_FALSE_RO(gcm_use_avx);
+static DEFINE_STATIC_KEY_FALSE_RO(gcm_use_avx2);
static inline struct
aesni_rfc4106_gcm_ctx *aesni_rfc4106_gcm_ctx_get(struct crypto_aead *tfm)
diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c
index a40365ab301eef7ad3bb86083c02700943f0956a..cbbb3974e3e8526554f29bbed087f8663f4d7ab2 100644
--- a/arch/x86/crypto/blake2s-glue.c
+++ b/arch/x86/crypto/blake2s-glue.c
@@ -25,8 +25,8 @@ asmlinkage void blake2s_compress_avx512(struct blake2s_state *state,
const u8 *block, const size_t nblocks,
const u32 inc);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_ssse3);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_avx512);
+static DEFINE_STATIC_KEY_FALSE_RO(blake2s_use_ssse3);
+static DEFINE_STATIC_KEY_FALSE_RO(blake2s_use_avx512);
void blake2s_compress_arch(struct blake2s_state *state,
const u8 *block, size_t nblocks,
diff --git a/arch/x86/crypto/chacha_glue.c b/arch/x86/crypto/chacha_glue.c
index 7b3a1cf0984be3149ad9ec57b166aa9f4233a671..c2a03c6dd49b52f1b18423f63fd6bf5deca13218 100644
--- a/arch/x86/crypto/chacha_glue.c
+++ b/arch/x86/crypto/chacha_glue.c
@@ -35,9 +35,9 @@ asmlinkage void chacha_4block_xor_avx512vl(u32 *state, u8 *dst, const u8 *src,
asmlinkage void chacha_8block_xor_avx512vl(u32 *state, u8 *dst, const u8 *src,
unsigned int len, int nrounds);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(chacha_use_simd);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(chacha_use_avx2);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(chacha_use_avx512vl);
+static DEFINE_STATIC_KEY_FALSE_RO(chacha_use_simd);
+static DEFINE_STATIC_KEY_FALSE_RO(chacha_use_avx2);
+static DEFINE_STATIC_KEY_FALSE_RO(chacha_use_avx512vl);
static unsigned int chacha_advance(unsigned int len, unsigned int maxblocks)
{
diff --git a/arch/x86/crypto/curve25519-x86_64.c b/arch/x86/crypto/curve25519-x86_64.c
index 38caf61cd5b7d59b0180a0260e5962b6790f29ad..2be656f0ac20363e0ed072ec5b852d6ee7fbdc1c 100644
--- a/arch/x86/crypto/curve25519-x86_64.c
+++ b/arch/x86/crypto/curve25519-x86_64.c
@@ -1378,7 +1378,7 @@ static void curve25519_ever64_base(u8 *out, const u8 *priv)
memzero_explicit(tmp, sizeof(tmp));
}
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(curve25519_use_bmi2_adx);
+static DEFINE_STATIC_KEY_FALSE_RO(curve25519_use_bmi2_adx);
void curve25519_arch(u8 mypublic[CURVE25519_KEY_SIZE],
const u8 secret[CURVE25519_KEY_SIZE],
diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c
index 1dfb8af48a3caa7ae7a406b8dbf30ccabc840a20..b47568f086aef7c5e90e0a46be14569c3045a75b 100644
--- a/arch/x86/crypto/poly1305_glue.c
+++ b/arch/x86/crypto/poly1305_glue.c
@@ -30,9 +30,9 @@ asmlinkage void poly1305_blocks_avx2(void *ctx, const u8 *inp, const size_t len,
asmlinkage void poly1305_blocks_avx512(void *ctx, const u8 *inp,
const size_t len, const u32 padbit);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(poly1305_use_avx);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(poly1305_use_avx2);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(poly1305_use_avx512);
+static DEFINE_STATIC_KEY_FALSE_RO(poly1305_use_avx);
+static DEFINE_STATIC_KEY_FALSE_RO(poly1305_use_avx2);
+static DEFINE_STATIC_KEY_FALSE_RO(poly1305_use_avx512);
struct poly1305_arch_internal {
union {
diff --git a/crypto/aegis128-core.c b/crypto/aegis128-core.c
index c4f1bfa1d04fa9eb00fc55cfaa89ed0690a45607..60c8dfb1c736bdda9ae0eca9970218175eaf2564 100644
--- a/crypto/aegis128-core.c
+++ b/crypto/aegis128-core.c
@@ -36,7 +36,7 @@ struct aegis_ctx {
union aegis_block key;
};
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_simd);
+static DEFINE_STATIC_KEY_FALSE_RO(have_simd);
static const union aegis_block crypto_aegis_const[2] = {
{ .words64 = {
--
2.34.0.rc0.344.g81b53c2807-goog
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