On Wed, Apr 10, 2024 at 07:48:02PM +0000, Yifan Hong wrote: > If UNUSED_KSYMS_WHITELIST is a file generated > before Kbuild runs, and the source tree is in > a read-only filesystem, the developer must put > the file somewhere and specify an absolute > path to UNUSED_KSYMS_WHITELIST. This worked, > but if IKCONFIG=y, an absolute path is embedded > into .config and eventually into vmlinux, causing > the build to be less reproducible when building > on a different machine. > > This patch makes the handling of > UNUSED_KSYMS_WHITELIST to be similar to > MODULE_SIG_KEY. > > First, check if UNUSED_KSYMS_WHITELIST is an > absolute path, just as before this patch. If so, > use the path as is. > > If it is a relative path, use wildcard to check > the existence of the file below objtree first. > If it does not exist, fall back to the original > behavior of adding $(srctree)/ before the value. > > After this patch, the developer can put the generated > file in objtree, then use a relative path against > objtree in .config, eradicating any absolute paths > that may be evaluated differently on different machines. > > Signed-off-by: Yifan Hong <elsk@xxxxxxxxxx> Applied and pushed, thanks. Luis
