diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/x86/crypto/aesni-intel_glue.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/crypto/aesni-intel_glue.c')
| -rw-r--r-- | arch/x86/crypto/aesni-intel_glue.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 545d0ce59818..c799352e24fc 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -28,6 +28,7 @@ #include <crypto/aes.h> #include <crypto/cryptd.h> #include <crypto/ctr.h> +#include <asm/cpu_device_id.h> #include <asm/i387.h> #include <asm/aes.h> #include <crypto/scatterwalk.h> @@ -1107,12 +1108,12 @@ static int __driver_rfc4106_encrypt(struct aead_request *req) one_entry_in_sg = 1; scatterwalk_start(&src_sg_walk, req->src); scatterwalk_start(&assoc_sg_walk, req->assoc); - src = scatterwalk_map(&src_sg_walk, 0); - assoc = scatterwalk_map(&assoc_sg_walk, 0); + src = scatterwalk_map(&src_sg_walk); + assoc = scatterwalk_map(&assoc_sg_walk); dst = src; if (unlikely(req->src != req->dst)) { scatterwalk_start(&dst_sg_walk, req->dst); - dst = scatterwalk_map(&dst_sg_walk, 0); + dst = scatterwalk_map(&dst_sg_walk); } } else { @@ -1136,11 +1137,11 @@ static int __driver_rfc4106_encrypt(struct aead_request *req) * back to the packet. */ if (one_entry_in_sg) { if (unlikely(req->src != req->dst)) { - scatterwalk_unmap(dst, 0); + scatterwalk_unmap(dst); scatterwalk_done(&dst_sg_walk, 0, 0); } - scatterwalk_unmap(src, 0); - scatterwalk_unmap(assoc, 0); + scatterwalk_unmap(src); + scatterwalk_unmap(assoc); scatterwalk_done(&src_sg_walk, 0, 0); scatterwalk_done(&assoc_sg_walk, 0, 0); } else { @@ -1189,12 +1190,12 @@ static int __driver_rfc4106_decrypt(struct aead_request *req) one_entry_in_sg = 1; scatterwalk_start(&src_sg_walk, req->src); scatterwalk_start(&assoc_sg_walk, req->assoc); - src = scatterwalk_map(&src_sg_walk, 0); - assoc = scatterwalk_map(&assoc_sg_walk, 0); + src = scatterwalk_map(&src_sg_walk); + assoc = scatterwalk_map(&assoc_sg_walk); dst = src; if (unlikely(req->src != req->dst)) { scatterwalk_start(&dst_sg_walk, req->dst); - dst = scatterwalk_map(&dst_sg_walk, 0); + dst = scatterwalk_map(&dst_sg_walk); } } else { @@ -1219,11 +1220,11 @@ static int __driver_rfc4106_decrypt(struct aead_request *req) if (one_entry_in_sg) { if (unlikely(req->src != req->dst)) { - scatterwalk_unmap(dst, 0); + scatterwalk_unmap(dst); scatterwalk_done(&dst_sg_walk, 0, 0); } - scatterwalk_unmap(src, 0); - scatterwalk_unmap(assoc, 0); + scatterwalk_unmap(src); + scatterwalk_unmap(assoc); scatterwalk_done(&src_sg_walk, 0, 0); scatterwalk_done(&assoc_sg_walk, 0, 0); } else { @@ -1253,14 +1254,19 @@ static struct crypto_alg __rfc4106_alg = { }; #endif + +static const struct x86_cpu_id aesni_cpu_id[] = { + X86_FEATURE_MATCH(X86_FEATURE_AES), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, aesni_cpu_id); + static int __init aesni_init(void) { int err; - if (!cpu_has_aes) { - printk(KERN_INFO "Intel AES-NI instructions are not detected.\n"); + if (!x86_match_cpu(aesni_cpu_id)) return -ENODEV; - } if ((err = crypto_fpu_init())) goto fpu_err; |