diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 11:16:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 11:16:20 -0700 |
| commit | 4a52246302f01596f0edf7b4a3e6425e23479192 (patch) | |
| tree | f384d86722d3ccfc875e3e5e8d8726e993a922ee /arch/x86/crypto/crc32c-intel.c | |
| parent | 9f9d2760da8c7f94fae119fac3e13d5a1702f8f0 (diff) | |
| parent | adc80ae60eae24a43a357bf5b30fb496f34aa605 (diff) | |
Merge tag 'driver-core-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches for 3.4-rc1 from Greg KH:
"Here's the big driver core merge for 3.4-rc1.
Lots of various things here, sysfs fixes/tweaks (with the nlink
breakage reverted), dynamic debugging updates, w1 drivers, hyperv
driver updates, and a variety of other bits and pieces, full
information in the shortlog."
* tag 'driver-core-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (78 commits)
Tools: hv: Support enumeration from all the pools
Tools: hv: Fully support the new KVP verbs in the user level daemon
Drivers: hv: Support the newly introduced KVP messages in the driver
Drivers: hv: Add new message types to enhance KVP
regulator: Support driver probe deferral
Revert "sysfs: Kill nlink counting."
uevent: send events in correct order according to seqnum (v3)
driver core: minor comment formatting cleanups
driver core: move the deferred probe pointer into the private area
drivercore: Add driver probe deferral mechanism
DS2781 Maxim Stand-Alone Fuel Gauge battery and w1 slave drivers
w1_bq27000: Only one thread can access the bq27000 at a time.
w1_bq27000 - remove w1_bq27000_write
w1_bq27000: remove unnecessary NULL test.
sysfs: Fix memory leak in sysfs_sd_setsecdata().
intel_idle: Revert change of auto_demotion_disable_flags for Nehalem
w1: Fix w1_bq27000
driver-core: documentation: fix up Greg's email address
powernow-k6: Really enable auto-loading
powernow-k7: Fix CPU family number
...
Diffstat (limited to 'arch/x86/crypto/crc32c-intel.c')
| -rw-r--r-- | arch/x86/crypto/crc32c-intel.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/crypto/crc32c-intel.c b/arch/x86/crypto/crc32c-intel.c index b9d00261703c..493f959261f7 100644 --- a/arch/x86/crypto/crc32c-intel.c +++ b/arch/x86/crypto/crc32c-intel.c @@ -31,6 +31,7 @@ #include <crypto/internal/hash.h> #include <asm/cpufeature.h> +#include <asm/cpu_device_id.h> #define CHKSUM_BLOCK_SIZE 1 #define CHKSUM_DIGEST_SIZE 4 @@ -173,13 +174,17 @@ static struct shash_alg alg = { } }; +static const struct x86_cpu_id crc32c_cpu_id[] = { + X86_FEATURE_MATCH(X86_FEATURE_XMM4_2), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, crc32c_cpu_id); static int __init crc32c_intel_mod_init(void) { - if (cpu_has_xmm4_2) - return crypto_register_shash(&alg); - else + if (!x86_match_cpu(crc32c_cpu_id)) return -ENODEV; + return crypto_register_shash(&alg); } static void __exit crc32c_intel_mod_fini(void) |