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authorAlex Kelly <alex.page.kelly@gmail.com>2012-10-05 04:15:23 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-05 22:05:15 +0400
commit046d662f481830e652ac34cd112249adde16452a (patch)
treead13e968b4b02f9e2c35ce45f358477474df80d7 /fs/Makefile
parentdb9aeca97a58563e1ab927d157c9b5048f233e73 (diff)
downloadlinux-046d662f481830e652ac34cd112249adde16452a.tar.xz
coredump: make core dump functionality optional
Adds an expert Kconfig option, CONFIG_COREDUMP, which allows disabling of core dump. This saves approximately 2.6k in the compiled kernel, and complements CONFIG_ELF_CORE, which now depends on it. CONFIG_COREDUMP also disables coredump-related sysctls, except for suid_dumpable and related functions, which are necessary for ptrace. [akpm@linux-foundation.org: fix binfmt_aout.c build] Signed-off-by: Alex Kelly <alex.page.kelly@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/Makefile')
-rw-r--r--fs/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/Makefile b/fs/Makefile
index 8938f8250320..1d7af79288a0 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -11,7 +11,7 @@ obj-y := open.o read_write.o file_table.o super.o \
attr.o bad_inode.o file.o filesystems.o namespace.o \
seq_file.o xattr.o libfs.o fs-writeback.o \
pnode.o drop_caches.o splice.o sync.o utimes.o \
- stack.o fs_struct.o statfs.o coredump.o
+ stack.o fs_struct.o statfs.o
ifeq ($(CONFIG_BLOCK),y)
obj-y += buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o
@@ -48,6 +48,7 @@ obj-$(CONFIG_FS_MBCACHE) += mbcache.o
obj-$(CONFIG_FS_POSIX_ACL) += posix_acl.o xattr_acl.o
obj-$(CONFIG_NFS_COMMON) += nfs_common/
obj-$(CONFIG_GENERIC_ACL) += generic_acl.o
+obj-$(CONFIG_COREDUMP) += coredump.o
obj-$(CONFIG_FHANDLE) += fhandle.o