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| author | George Spelvin <linux@horizon.com> | 2014-08-06 16:09:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:24 -0700 |
| commit | b01250856b25f4417c51aa33afc451fbf7da1484 (patch) | |
| tree | d11b68368d63c1ae99814b930ce664d7fd3fa8e6 /lib/Kconfig | |
| parent | 62e7ca5280fd8cbf523970757e13f0324ce0daa0 (diff) | |
| download | lwn-b01250856b25f4417c51aa33afc451fbf7da1484.tar.gz lwn-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/Kconfig | 19 |
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 # |