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authorStephan Mueller <smueller@chronox.de>2015-06-23 16:18:54 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-06-25 23:18:32 +0800
commitdfc9fa91938bd0cd5597a3da33d613986149a1e6 (patch)
tree4eeef33d2c2046592acb662f59adb0d3c97e6017 /crypto/Makefile
parentaefbef10e3ae6e2c6e3c54f906f10b34c73a2c66 (diff)
downloadlinux-dfc9fa91938bd0cd5597a3da33d613986149a1e6.tar.bz2
crypto: jitterentropy - avoid compiler warnings
The core of the Jitter RNG is intended to be compiled with -O0. To ensure that the Jitter RNG can be compiled on all architectures, separate out the RNG core into a stand-alone C file that can be compiled with -O0 which does not depend on any kernel include file. As no kernel includes can be used in the C file implementing the core RNG, any dependencies on kernel code must be extracted. A second file provides the link to the kernel and the kernel crypto API that can be compiled with the regular compile options of the kernel. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/Makefile')
-rw-r--r--crypto/Makefile4
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/Makefile b/crypto/Makefile
index 0077476f5024..a16a7e7f2d60 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -106,7 +106,9 @@ obj-$(CONFIG_CRYPTO_842) += 842.o
obj-$(CONFIG_CRYPTO_RNG2) += rng.o
obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
obj-$(CONFIG_CRYPTO_DRBG) += drbg.o
-obj-$(CONFIG_CRYPTO_JITTERENTROPY) += jitterentropy.o
+obj-$(CONFIG_CRYPTO_JITTERENTROPY) += jitterentropy_rng.o
+CFLAGS_jitterentropy.o = -O0
+jitterentropy_rng-y := jitterentropy.o jitterentropy-kcapi.o
obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
obj-$(CONFIG_CRYPTO_USER_API) += af_alg.o