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Revert "lib: introduce HASH_CALCULATE option"

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When we think of Kconfig, we usually think of features that we like
to enable or not. Ideally, we wouldn't use Kconfig to fix a build
issue, although sometimes it might make sense. With Kconfig it's hard
to guarantee that the fix is universal. We can only say that it works
for the set of tested configurations. In the majority of cases, it's
preferable to let the linker figure things out for us.

The reverted commit attempted to fix a build issue by adding an
invisible Kconfig option. This is wrong in several ways:

It invents a new Kconfig variable when CONFIG_HASH already
exists for the same purpose.
Second, hash-checksum.c makes use of the hash_progressive_lookup_algo()
symbol, which is only provided with CONFIG_HASH, but this dependency
was not expressed in the reverted patch.

It feels like Kconfig is turning into a listing of all available
source files, and a buffet to 'select' which ones to compile. The
purpose of this revert is to enable the next change to make use of
CONFIG_HASH instead of adding to Kconfig.

This reverts commit 87316da05f.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Acked-by: Masahisa Kojima <masahisa.kojima@linaro.org>
This commit is contained in:
Alexandru Gagniuc 2021-05-24 14:28:56 -05:00 committed by Heinrich Schuchardt
parent 38de680e58
commit ec0512b173
4 changed files with 1 additions and 7 deletions
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1
common/Kconfig.boot
View file

@ -80,7 +80,6 @@ config FIT_SIGNATURE
select RSA_VERIFY
select IMAGE_SIGN_INFO
select FIT_FULL_CHECK
select HASH_CALCULATE
help
This option enables signature verification of FIT uImages,
using a hash signed and verified using RSA. If

3
lib/Kconfig
View file

@ -439,9 +439,6 @@ config CRC32C
config XXHASH
bool
config HASH_CALCULATE
bool
endmenu
menu "Compression Support"

2
lib/Makefile
View file

@ -61,7 +61,7 @@ endif
obj-$(CONFIG_$(SPL_)ACPIGEN) += acpi/
obj-$(CONFIG_$(SPL_)MD5) += md5.o
obj-$(CONFIG_$(SPL_)RSA) += rsa/
obj-$(CONFIG_HASH_CALCULATE) += hash-checksum.o
obj-$(CONFIG_FIT_SIGNATURE) += hash-checksum.o
obj-$(CONFIG_SHA1) += sha1.o
obj-$(CONFIG_SHA256) += sha256.o
obj-$(CONFIG_SHA512_ALGO) += sha512.o

2
lib/efi_loader/Kconfig
View file

@ -174,7 +174,6 @@ config EFI_CAPSULE_AUTHENTICATE
select PKCS7_MESSAGE_PARSER
select PKCS7_VERIFY
select IMAGE_SIGN_INFO
select HASH_CALCULATE
select EFI_SIGNATURE_SUPPORT
default n
help
@ -344,7 +343,6 @@ config EFI_SECURE_BOOT
select X509_CERTIFICATE_PARSER
select PKCS7_MESSAGE_PARSER
select PKCS7_VERIFY
select HASH_CALCULATE
select EFI_SIGNATURE_SUPPORT
default n
help