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certs: remove noisy messages while generating the signing key

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When you run Kbuild with the parallel option -j, the messages from this
rule and others are interleaved, like follows:

    ###
      CC      arch/x86/mm/pat/set_memory.o
    ### Now generating an X.509 key pair to be used for signing modules.
    ###
    ### If this takes a long time, you might wish to run rngd in the
    ### background to keep the supply of entropy topped up.  It
      CC      arch/x86/events/intel/bts.o
      HDRTEST usr/include/linux/qnx4_fs.h
      CC      arch/x86/events/zhaoxin/core.o
    ### needs to be run as root, and uses a hardware random
    ### number generator if one is available.
      AR      init/built-in.a
    ###

On modern machines, it does not take a long time to generate the key.

Remove the ugly log messages.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2021-11-05 12:59:56 +09:00
parent f3a2ba44e9
commit f8487d28df
1 changed files with 0 additions and 11 deletions
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11
certs/Makefile
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@ -80,23 +80,12 @@ endif
endif # CONFIG_MODULE_SIG_KEY_TYPE_RSA
$(obj)/signing_key.pem: $(obj)/x509.genkey
@$(kecho) "###"
@$(kecho) "### Now generating an X.509 key pair to be used for signing modules."
@$(kecho) "###"
@$(kecho) "### If this takes a long time, you might wish to run rngd in the"
@$(kecho) "### background to keep the supply of entropy topped up. It"
@$(kecho) "### needs to be run as root, and uses a hardware random"
@$(kecho) "### number generator if one is available."
@$(kecho) "###"
$(Q)openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
-batch -x509 -config $(obj)/x509.genkey \
-outform PEM -out $(obj)/signing_key.pem \
-keyout $(obj)/signing_key.pem \
$(keytype_openssl) \
$($(quiet)redirect_openssl)
@$(kecho) "###"
@$(kecho) "### Key pair generated."
@$(kecho) "###"
quiet_cmd_copy_x509_config = COPY $@
cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@