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author | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-10 17:49:02 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-10 20:20:18 +0300 |
commit | 4232da23d75d173195c6766729e51947b64f83cd (patch) | |
tree | 7eb1420b118d452c0b497bf6267ecdfb0a6d5931 /arch/powerpc/crypto/chacha-p10-glue.c | |
parent | bbe10a5cc0c775e52e91c8b3b6547b59b2054f44 (diff) | |
parent | 7b7e584f90bf670d5c6f2b1fff884bf3b972cad4 (diff) | |
download | linux-4232da23d75d173195c6766729e51947b64f83cd.tar.xz |
Merge tag 'loongarch-kvm-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.10
1. Add ParaVirt IPI support.
2. Add software breakpoint support.
3. Add mmio trace events support.
Diffstat (limited to 'arch/powerpc/crypto/chacha-p10-glue.c')
-rw-r--r-- | arch/powerpc/crypto/chacha-p10-glue.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/crypto/chacha-p10-glue.c b/arch/powerpc/crypto/chacha-p10-glue.c index 74fb86b0d209..7c728755852e 100644 --- a/arch/powerpc/crypto/chacha-p10-glue.c +++ b/arch/powerpc/crypto/chacha-p10-glue.c @@ -197,6 +197,9 @@ static struct skcipher_alg algs[] = { static int __init chacha_p10_init(void) { + if (!cpu_has_feature(CPU_FTR_ARCH_31)) + return 0; + static_branch_enable(&have_p10); return crypto_register_skciphers(algs, ARRAY_SIZE(algs)); @@ -204,10 +207,13 @@ static int __init chacha_p10_init(void) static void __exit chacha_p10_exit(void) { + if (!static_branch_likely(&have_p10)) + return; + crypto_unregister_skciphers(algs, ARRAY_SIZE(algs)); } -module_cpu_feature_match(PPC_MODULE_FEATURE_P10, chacha_p10_init); +module_init(chacha_p10_init); module_exit(chacha_p10_exit); MODULE_DESCRIPTION("ChaCha and XChaCha stream ciphers (P10 accelerated)"); |