Josh Poimboeuf abaf1f42dd
livepatch/klp-build: Introduce fix-patch-lines script to avoid __LINE__ diff noise ...
The __LINE__ macro creates challenges for binary diffing. When a .patch
file adds or removes lines, it shifts the line numbers for all code
below it.
This can cause the code generation of functions using __LINE__ to change
due to the line number constant being embedded in a MOV instruction,
despite there being no semantic difference.
Avoid such false positives by adding a fix-patch-lines script which can
be used to insert a #line directive in each patch hunk affecting the
line numbering. This script will be used by klp-build, which will be
introduced in a subsequent patch.
Acked-by: Petr Mladek <pmladek@suse.com >
Tested-by: Joe Lawrence <joe.lawrence@redhat.com >
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org >
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abaf1f42dd