[PATCH] uml: s390 preparation, checksumming done in arch code
Checksum handling largely depends on the subarch.
Thus, I renamed i386 arch_csum_partial in arch/um/sys-i386/checksum.S back to
csum_partial, removed csum_partial from arch/um/kernel/checksum.c and shifted
EXPORT_SYMBOL(csum_partial) to arch/um/sys-i386/ksyms.c.
Then, csum_partial_copy_to and csum_partial_copy_from were shifted from
arch/um/kernel/checksum.c to arch/um/include/sysdep-i386/checksum.h and
inserted in the calling functions csum_partial_copy_from_user() and
csum_and_copy_to_user().
Now, arch/um/kernel/checksum.c is empty and removed.
Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 9d2c261..dca6542 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -6,7 +6,7 @@
extra-y := vmlinux.lds
clean-files :=
-obj-y = checksum.o config.o exec_kern.o exitcode.o \
+obj-y = config.o exec_kern.o exitcode.o \
helper.o init_task.o irq.o irq_user.o ksyms.o main.o mem.o mem_user.o \
physmem.o process.o process_kern.o ptrace.o reboot.o resource.o \
sigio_user.o sigio_kern.o signal_kern.o signal_user.o smp.o \
diff --git a/arch/um/kernel/checksum.c b/arch/um/kernel/checksum.c
index e69b2be..e69de29 100644
--- a/arch/um/kernel/checksum.c
+++ b/arch/um/kernel/checksum.c
@@ -1,36 +0,0 @@
-#include "asm/uaccess.h"
-#include "linux/errno.h"
-#include "linux/module.h"
-
-unsigned int arch_csum_partial(const unsigned char *buff, int len, int sum);
-
-unsigned int csum_partial(unsigned char *buff, int len, int sum)
-{
- return arch_csum_partial(buff, len, sum);
-}
-
-EXPORT_SYMBOL(csum_partial);
-
-unsigned int csum_partial_copy_to(const unsigned char *src,
- unsigned char __user *dst, int len, int sum,
- int *err_ptr)
-{
- if(copy_to_user(dst, src, len)){
- *err_ptr = -EFAULT;
- return(-1);
- }
-
- return(arch_csum_partial(src, len, sum));
-}
-
-unsigned int csum_partial_copy_from(const unsigned char __user *src,
- unsigned char *dst, int len, int sum,
- int *err_ptr)
-{
- if(copy_from_user(dst, src, len)){
- *err_ptr = -EFAULT;
- return(-1);
- }
-
- return arch_csum_partial(dst, len, sum);
-}