Messages in this thread Patch in this message | | | Subject | [PATCH 7/8] UML - Mark some tt-mode code | Date | Mon, 25 Sep 2006 14:34:44 -0400 | From | Jeff Dike <> |
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Mark a symbol and file as being tt-mode only. This shrinks the binary slightly when tt mode support is compiled out and makes it easier to identity stuff when tt mode is removed.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.18-mm/arch/um/kernel/ksyms.c =================================================================== --- linux-2.6.18-mm.orig/arch/um/kernel/ksyms.c 2006-09-22 09:16:01.000000000 -0400 +++ linux-2.6.18-mm/arch/um/kernel/ksyms.c 2006-09-22 09:51:13.000000000 -0400 @@ -20,7 +20,6 @@ #include "mem_user.h" #include "os.h" -EXPORT_SYMBOL(stop); EXPORT_SYMBOL(uml_physmem); EXPORT_SYMBOL(set_signals); EXPORT_SYMBOL(get_signals); @@ -40,6 +39,7 @@ EXPORT_SYMBOL(handle_page_fault); EXPORT_SYMBOL(find_iomem); #ifdef CONFIG_MODE_TT +EXPORT_SYMBOL(stop); EXPORT_SYMBOL(strncpy_from_user_tt); EXPORT_SYMBOL(copy_from_user_tt); EXPORT_SYMBOL(copy_to_user_tt); Index: linux-2.6.18-mm/arch/um/os-Linux/Makefile =================================================================== --- linux-2.6.18-mm.orig/arch/um/os-Linux/Makefile 2006-09-22 09:16:01.000000000 -0400 +++ linux-2.6.18-mm/arch/um/os-Linux/Makefile 2006-09-22 09:51:13.000000000 -0400 @@ -4,15 +4,19 @@ # obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o sigio.o \ - signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o tls.o \ + signal.o start_up.o time.o trap.o tty.o uaccess.o umid.o tls.o \ user_syms.o util.o drivers/ sys-$(SUBARCH)/ obj-$(CONFIG_MODE_SKAS) += skas/ + +obj-$(CONFIG_MODE_TT) += tt.o +user-objs-$(CONFIG_MODE_TT) += tt.o + obj-$(CONFIG_TTY_LOG) += tty_log.o user-objs-$(CONFIG_TTY_LOG) += tty_log.o USER_OBJS := $(user-objs-y) aio.o elf_aux.o file.o helper.o irq.o main.o mem.o \ - process.o sigio.o signal.o start_up.o time.o trap.o tt.o tty.o tls.o \ + process.o sigio.o signal.o start_up.o time.o trap.o tty.o tls.o \ uaccess.o umid.o util.o CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH) Index: linux-2.6.18-mm/arch/um/include/os.h =================================================================== --- linux-2.6.18-mm.orig/arch/um/include/os.h 2006-09-22 09:16:05.000000000 -0400 +++ linux-2.6.18-mm/arch/um/include/os.h 2006-09-22 09:51:13.000000000 -0400 @@ -198,7 +198,9 @@ extern long os_ptrace_ldt(long pid, long extern int os_getpid(void); extern int os_getpgrp(void); +#ifdef UML_CONFIG_MODE_TT extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)); +#endif extern void init_new_thread_signals(void); extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr); @@ -216,7 +218,6 @@ extern void os_flush_stdout(void); */ extern void forward_ipi(int fd, int pid); extern void kill_child_dead(int pid); -extern void stop(void); extern int wait_for_stop(int pid, int sig, int cont_type, void *relay); extern int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x, int must_succeed); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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