x86, build: replace Perl script with Shell script
Commit e6023367 ("x86, kaslr: Prevent .bss from overlaping initrd") added Perl to the required build environment. This reimplements in shell the Perl script used to find the size of the kernel with bss and brk added. Signed-off-by:Kees Cook <keescook@chromium.org> Reported-by:
Rob Landley <rob@landley.net> Acked-by:
Rob Landley <rob@landley.net> Cc: Anca Emanuel <anca.emanuel@gmail.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Junjie Mao <eternal.n08@gmail.com> Cc: Kees Cook <keescook@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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