Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull security subsystem updates from James Morris:
 "In this release:

   - PKCS#7 parser for the key management subsystem from David Howells
   - appoint Kees Cook as seccomp maintainer
   - bugfixes and general maintenance across the subsystem"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (94 commits)
  X.509: Need to export x509_request_asymmetric_key()
  netlabel: shorter names for the NetLabel catmap funcs/structs
  netlabel: fix the catmap walking functions
  netlabel: fix the horribly broken catmap functions
  netlabel: fix a problem when setting bits below the previously lowest bit
  PKCS#7: X.509 certificate issuer and subject are mandatory fields in the ASN.1
  tpm: simplify code by using %*phN specifier
  tpm: Provide a generic means to override the chip returned timeouts
  tpm: missing tpm_chip_put in tpm_get_random()
  tpm: Properly clean sysfs entries in error path
  tpm: Add missing tpm_do_selftest to ST33 I2C driver
  PKCS#7: Use x509_request_asymmetric_key()
  Revert "selinux: fix the default socket labeling in sock_graft()"
  X.509: x509_request_asymmetric_keys() doesn't need string length arguments
  PKCS#7: fix sparse non static symbol warning
  KEYS: revert encrypted key change
  ima: add support for measuring and appraising firmware
  firmware_class: perform new LSM checks
  security: introduce kernel_fw_from_file hook
  PKCS#7: Missing inclusion of linux/err.h
  ...

Documentation/kernel-parameters.txt

@@ -566,6 +566,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			possible to determine what the correct size should be.
 			This option provides an override for these situations.
 
+	ca_keys=	[KEYS] This parameter identifies a specific key(s) on
+			the system trusted keyring to be used for certificate
+			trust validation.
+			format: { id:<keyid> | builtin }
+
 	ccw_timeout_log [S390]
 			See Documentation/s390/CommonIO for details.
 
@@ -1319,6 +1324,23 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Formats: { "ima" | "ima-ng" }
 			Default: "ima-ng"
 
+	ima.ahash_minsize= [IMA] Minimum file size for asynchronous hash usage
+			Format: <min_file_size>
+			Set the minimal file size for using asynchronous hash.
+			If left unspecified, ahash usage is disabled.
+
+			ahash performance varies for different data sizes on
+			different crypto accelerators. This option can be used
+			to achieve the best performance for a particular HW.
+
+	ima.ahash_bufsize= [IMA] Asynchronous hash buffer size
+			Format: <bufsize>
+			Set hashing buffer size. Default: 4k.
+
+			ahash performance varies for different chunk sizes on
+			different crypto accelerators. This option can be used
+			to achieve best performance for particular HW.
+
 	init=		[KNL]
 			Format: <full_path>
 			Run specified binary instead of /sbin/init as init