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[v2,13/19] crypto: x86/ghash - load based on CPU features

Message ID 20221012215931.3896-14-elliott@hpe.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series crypto: x86 - fix RCU stalls | expand

Commit Message

Elliott, Robert (Servers) Oct. 12, 2022, 9:59 p.m. UTC 
Like commit aa031b8f702e ("crypto: x86/sha512 - load based on CPU
features"), these x86-optimized crypto modules already have
module aliases based on CPU feature bits:
    ghash

Rename the unique device table data structure to a generic name
so the code has the same pattern in all the modules.

This commit covers modules that created rcu stall issues
due to kernel_fpu_begin/kernel_fpu_end calls.

Signed-off-by: Robert Elliott <elliott@hpe.com>
---
 arch/x86/crypto/ghash-clmulni-intel_glue.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c
index a39fc405c7cf..69945e41bc41 100644
--- a/arch/x86/crypto/ghash-clmulni-intel_glue.c
+++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c
@@ -327,17 +327,17 @@  static struct ahash_alg ghash_async_alg = {
 	},
 };
 
-static const struct x86_cpu_id pcmul_cpu_id[] = {
+static const struct x86_cpu_id module_cpu_ids[] = {
 	X86_MATCH_FEATURE(X86_FEATURE_PCLMULQDQ, NULL), /* Pickle-Mickle-Duck */
 	{}
 };
-MODULE_DEVICE_TABLE(x86cpu, pcmul_cpu_id);
+MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids);
 
 static int __init ghash_pclmulqdqni_mod_init(void)
 {
 	int err;
 
-	if (!x86_match_cpu(pcmul_cpu_id))
+	if (!x86_match_cpu(module_cpu_ids))
 		return -ENODEV;
 
 	err = crypto_register_shash(&ghash_alg);