On Wed, Sep 26, 2012 at 07:11:19PM -0700, Anton Vorontsov wrote: > On Wed, Sep 26, 2012 at 06:39:32PM -0700, Anton Vorontsov wrote: > > On Thu, Sep 27, 2012 at 09:29:16AM +0800, Fengguang Wu wrote: > > > FYI, there are new compile warnings show up in > > > > > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-next > > > head: 0c57dfcc6c1d037243c2f8fbf62eab3633326ec0 > > > commit: 729043e82cdd403a131127254528afea8031ebab [36/40] kdb: Turn KGDB_KDB=n stubs into static inlines > > > config: cris-allyesconfig > > > > > > All warnings (together with lots of *old* errors): > > > > As we switched from empty macros to proper type-checking functions, the > > new warnings most probably are all OK, but just to be sure... > > > > Which are the new warnings? Do you have old build logs to compare? > > I guess these are the new ones: > > > > kernel/debug/kdb/kdb_main.c:2839:4: warning: passing argument 2 of 'kdb_register_repeat' from incompatible pointer type [enabled by default] > > > kernel/debug/kdb/kdb_main.c:2696:5: note: expected 'kdb_func_t' but argument is of type 'struct kdbmsg_t *' > > > kernel/debug/kdb/kdb_main.c:2841:4: warning: passing argument 2 of 'kdb_register_repeat' from incompatible pointer type [enabled by default] > > They're all OK. Before my patch, kgdb_register_repeat() was an empty > macro. But since we now do proper functions, the new warnings pop up. Yes. > Also, there's something interesting: > > > > kernel/debug/kdb/kdb_main.c:2696:5: error: redefinition of 'kdb_register_repeat' > > > include/linux/kdb.h:156:19: note: previous definition of 'kdb_register_repeat' was here > > This means that we're trying to build KDB, but kdb.h don't see > CONFIG_KGDB_KDB. > > More over, 'make ARCH=cris allyesconfig' producing .config with KGDB=n > and KGDB_KDB=n. And criss doesn't select HAVE_ARCH_KGDB. It's true. > I suspect there are some toolchain issues, or arch/cris/ does something > weird with the build system. Ah silly me! I'm doing "make M=kernel/debug/kdb" which leads to all the error/warnings. This can be fixed trivially. :) > Also, "arch/cris/arch-v32/kernel/kgdb.c" -- it seems like it is its own > implementation of KGDB. :-) But it's CONFIG_ETRAX_KGDB... Doing the regular 'make' triggers these errors: arch/cris/arch-v10/kernel/kgdb.c:1273:6: warning: missing terminating " character [enabled by default] arch/cris/arch-v10/kernel/kgdb.c:1273:1: error: missing terminating " character arch/cris/arch-v10/kernel/kgdb.c:1274:3: error: expected string literal before '.' token arch/cris/arch-v10/kernel/kgdb.c:1359:1: warning: missing terminating " character [enabled by default] arch/cris/arch-v10/kernel/kgdb.c:1359:1: error: missing terminating " character arch/cris/arch-v10/kernel/kgdb.c:1370:6: warning: missing terminating " character [enabled by default] arch/cris/arch-v10/kernel/kgdb.c:1370:1: error: missing terminating " character arch/cris/arch-v10/kernel/kgdb.c:1457:1: warning: missing terminating " character [enabled by default] arch/cris/arch-v10/kernel/kgdb.c:1457:1: error: missing terminating " character arch/cris/arch-v10/kernel/kgdb.c:508:1: warning: 'copy_registers' defined but not used [-Wunused-function] arch/cris/arch-v10/kernel/kgdb.c:255:13: warning: 'copy_registers_from_stack' declared 'static' but never defined [-Wunused-function] arch/cris/arch-v10/kernel/kgdb.c:259:13: warning: 'copy_registers_to_stack' declared 'static' but never defined [-Wunused-function] arch/cris/arch-v10/kernel/kgdb.c:267:12: warning: 'write_stack_register' declared 'static' but never defined [-Wunused-function] arch/cris/arch-v10/kernel/kgdb.c:924:1: warning: 'handle_exception' defined but not used [-Wunused-function] arch/cris/arch-v10/kernel/kgdb.c:425:12: warning: 'current_thread_c' defined but not used [-Wunused-variable] arch/cris/arch-v10/kernel/kgdb.c:426:12: warning: 'current_thread_g' defined but not used [-Wunused-variable] arch/cris/arch-v10/kernel/kgdb.c:430:18: warning: 'reg_g' defined but not used [-Wunused-variable] arch/cris/arch-v10/kernel/kgdb.c:442:22: warning: 'is_dyn_brkp' defined but not used [-Wunused-variable] arch/cris/arch-v10/kernel/kgdb.c:679:12: warning: 'do_printk' defined but not used [-Wunused-variable] make[2]: *** [arch/cris/arch-v10/kernel/kgdb.o] Error 1 > So, I don't even think KGDB/KDB should be fixed anyhow, since cris doesn't > select HAVE_ARCH_KGDB, thus 'depends on !CRIS' doesn't make sense. OK. Sorry for the noises! Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
