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authorBruce Ashfield <bruce.ashfield@windriver.com>2018-04-09 11:16:07 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-04-13 16:58:06 +0100
commit9cdfe60127bec6ed0d23594f778c5a7ebc58d881 (patch)
treeae3bc602ff77b9526ae50a0408b132bd21386243 /meta/recipes-kernel/linux-libc-headers
parenta7265ef9d60836768e9c0764e78447d92981416e (diff)
downloadpoky-9cdfe60127bec6ed0d23594f778c5a7ebc58d881.tar.gz
linux-yocto/4.14/4.15: deterministic srcversion
Author: Juro Bystricky <juro.bystricky@intel.com> Date: Fri Mar 30 10:14:05 2018 -0700 modpost: srcversion sometimes incorrect "srcversion" field inserted into module modinfo section contains a sum of the source files which made it. However, this field can be incorrect. Building the same module can end up having inconsistent srcversion field eventhough the sources remain the same. This can be reproduced by building modules in a deeply nested directory, but other factors contribute as well. The reason for incorrect srcversion is that some source files can be simply silently skipped from the checksum calculation due to limited buffer space for line parsing. This patch addresses two issues: 1. Allocates a larger line buffer (32k vs 4k). 2. Issues a warning if a line length exceeds the line buffer. Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> (From OE-Core rev: 7d92ed3dcd8c4b5f7cde2f521569c792d55fae65) Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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