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authorPaul Burton <paul.burton@imgtec.com>2017-08-08 01:01:12 +0200
committerRalf Baechle <ralf@linux-mips.org>2017-08-30 00:57:28 +0200
commit27e0d4b0510700108341c50661f78a10969648df (patch)
tree5ba8080ab0f33c8b3603f15f37e6c7cb8666f513 /MAINTAINERS
parentMIPS: CPS: Detect CPUs in secondary clusters (diff)
downloadlinux-27e0d4b0510700108341c50661f78a10969648df.tar.xz
linux-27e0d4b0510700108341c50661f78a10969648df.zip
MIPS: generic: Allow filtering enabled boards by requirements
Up until now when configuring a generic kernel all board config fragments have been merged by default unless boards are explicitly selected by the user specifying BOARDS=. In many cases this is sub-optimal, since some boards don't make sense to include in some kernels. For example the MIPS SEAD-3 development board has only ever been used with 32 bit CPUs, so including support for the SEAD-3 in a 64 bit kernel is wasteful. This patch introduces support for specifying requirements in board config fragments, using comments formatted like so: # require CONFIG_BLA=y For example the SEAD-3 board could specify that it should only be merged for 32 bit kernels using a requirement line like the following: # require CONFIG_32BIT=y A new generic-board-config.sh script is introduced to handle selecting the board config fragments to merge & calling merge_config.sh to merge them. In order to allow requirements to check Kconfig symbols that are implicitly selected, rather than explicitly specified by generic_defconfig or one of the ISA config fragments, an intermediate .config file is saved & used as a reference when checking requirements. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16943/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS1
1 files changed, 1 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 31d4274efb06..b526acd23ae1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8792,6 +8792,7 @@ M: Paul Burton <paul.burton@imgtec.com>
L: linux-mips@linux-mips.org
S: Supported
F: arch/mips/generic/
+F: arch/mips/tools/generic-board-config.sh
MIPS/LOONGSON1 ARCHITECTURE
M: Keguang Zhang <keguang.zhang@gmail.com>