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linux/arch/arm64
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Leonard Crestez 84e2b81c9b 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>
Cc: <stable@vger.kernel.org>
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-04-08 14:29:51 +02:00
..
boot Pinctrl got a fix in 4.16-rc1, that exposed an issue with wifi-related 2018-03-12 15:35:02 +01:00
configs ARM: SoC platform updates for 4.16 2018-02-01 16:17:40 -08:00
crypto crypto: arm,arm64 - Fix random regeneration of S_shipped 2018-04-08 14:29:51 +02:00
include arm64: fix unwind_frame() for filtered out fn for function graph tracing 2018-02-23 13:46:38 +00:00
kernel arm64: Relax ARM_SMCCC_ARCH_WORKAROUND_1 discovery 2018-03-09 17:52:07 +00:00
kvm kvm/arm fixes for 4.16, take 2 2018-03-15 21:45:37 +01:00
lib arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user 2018-02-06 22:53:40 +00:00
mm mm/vmalloc: add interfaces to free unmapped page table 2018-03-22 17:07:01 -07:00
net bpf, arm64: fix out of bounds access in tail call 2018-02-22 16:06:28 -08:00
xen arm64: mm: Add additional parameter to uaccess_ttbr0_disable 2018-01-17 13:57:49 +01:00
Kconfig arm64: Add software workaround for Falkor erratum 1041 2018-02-06 22:53:13 +00:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms clk: meson-axg: add clock controller drivers 2017-12-14 10:19:37 +01:00
Makefile arm64: ftrace: emit ftrace-mod.o contents through code 2017-12-01 13:04:59 +00:00