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authorGeorge Spelvin <linux@horizon.com>2014-08-06 16:09:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 18:01:24 -0700
commitb01250856b25f4417c51aa33afc451fbf7da1484 (patch)
treed11b68368d63c1ae99814b930ce664d7fd3fa8e6 /lib/Kconfig
parent62e7ca5280fd8cbf523970757e13f0324ce0daa0 (diff)
downloadblackbird-obmc-linux-b01250856b25f4417c51aa33afc451fbf7da1484.tar.gz
blackbird-obmc-linux-b01250856b25f4417c51aa33afc451fbf7da1484.zip
lib: add lib/glob.c
This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index a8a775730c09..41bfeec72e40 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -396,6 +396,25 @@ config CPU_RMAP
config DQL
bool
+config GLOB
+ bool
+# This actually supports modular compilation, but the module overhead
+# is ridiculous for the amount of code involved. Until an out-of-tree
+# driver asks for it, we'll just link it directly it into the kernel
+# when required. Since we're ignoring out-of-tree users, there's also
+# no need bother prompting for a manual decision:
+# prompt "glob_match() function"
+ help
+ This option provides a glob_match function for performing
+ simple text pattern matching. It originated in the ATA code
+ to blacklist particular drive models, but other device drivers
+ may need similar functionality.
+
+ All drivers in the Linux kernel tree that require this function
+ should automatically select this option. Say N unless you
+ are compiling an out-of tree driver which tells you that it
+ depends on this.
+
#
# Netlink attribute parsing support is select'ed if needed
#
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