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This slightly optimizes the kernel/configs.c build.
bin2c is not very efficient because it converts a data file into a huge
array to embed it into a *.c file.Instead, we can use the .incbin directive.
Also, this simplifies the code; Makefile is cleaner, and the way to get
the offset/size of the config_data.gz is more straightforward.I used the "asm" statement in *.c instead of splitting it into *.S
because MODULE_* tags are not supported in *.S files.I also cleaned up kernel/.gitignore; "config_data.gz" is unneeded
because the top-level .gitignore takes care of the "*.gz" pattern.[yamada.masahiro@socionext.com: v2]
Link: http://lkml.kernel.org/r/1550108893-21226-1-git-send-email-yamada.masahiro@socionext.com
Link: http://lkml.kernel.org/r/1549941160-8084-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada
Cc: Randy Dunlap
Cc: Arnd Bergmann
Cc: Alexander Popov
Cc: Kees Cook
Cc: Jonathan Corbet
Cc: Thomas Gleixner
Cc: Dan Williams
Cc: Mathieu Desnoyers
Cc: Richard Guy Briggs
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds