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linux/arch/arm/crypto
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Leonard Crestez ebf3d2124c crypto: arm,arm64 - Fix random regeneration of S_shipped 
commit 6aaf49b495 upstream.

The decision to rebuild .S_shipped is made based on the relative
timestamps of .S_shipped and .pl files but git makes this essentially
random. This means that the perl script might run anyway (usually at
most once per checkout), defeating the whole purpose of _shipped.

Fix by skipping the rule unless explicit make variables are provided:
REGENERATE_ARM_CRYPTO or REGENERATE_ARM64_CRYPTO.

This can produce nasty occasional build failures downstream, for example
for toolchains with broken perl. The solution is minimally intrusive to
make it easier to push into stable.

Another report on a similar issue here: https://lkml.org/lkml/2018/3/8/1379

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
[bwh: Backported to 3.16: Only arm has this problem]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2018-10-21 08:44:58 +01:00
..
.gitignore ARM: add .gitignore entry for aesbs-core.S 2013-10-07 15:43:53 +01:00
aes-armv4.S ARM: 7837/3: fix Thumb-2 bug in AES assembler code 2013-09-22 11:43:38 +01:00
aes_glue.c crypto: prefix module autoloading with "crypto-" 2015-02-04 10:57:48 +00:00
aes_glue.h ARM: move AES typedefs and function prototypes to separate header 2013-10-04 09:26:54 +02:00
aesbs-core.S_shipped crypto: arm/aes update NEON AES module to latest OpenSSL version 2015-03-30 11:10:45 +01:00
aesbs-glue.c crypto: arm-aes - fix encryption of unaligned data 2014-07-28 22:01:03 +08:00
bsaes-armv7.pl crypto: arm/aes update NEON AES module to latest OpenSSL version 2015-03-30 11:10:45 +01:00
Makefile crypto: arm,arm64 - Fix random regeneration of S_shipped 2018-10-21 08:44:58 +01:00
sha1-armv4-large.S ARM: 7723/1: crypto: sha1-armv4-large.S: fix SP handling 2013-05-22 22:01:35 +01:00
sha1_glue.c crypto: prefix module autoloading with "crypto-" 2015-02-04 10:57:48 +00:00