Re: [PATCH] kdb: Get rid of broken attempt to print CCVERSION in kdb summary

From: Masahiro Yamada
Date: Sat Mar 30 2019 - 08:14:58 EST


On Sat, Mar 23, 2019 at 10:55 AM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> If you drop into kdb and type "summary", it prints out a line that
> says this:
>
> ccversion CCVERSION
>
> ...and I don't mean that it actually prints out the version of the C
> compiler. It literally prints out the string "CCVERSION".
>
> The version of the C Compiler is already printed at boot up and it
> doesn't seem useful to replicate this in kdb. Let's just delete it.
> We can also delete the bit of the Makefile that called the C compiler
> in an attempt to pass this into kdb. This will remove one extra call
> to the C compiler at Makefile parse time and (very slightly) speed up
> builds.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---

Reviewed-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>



> kernel/debug/kdb/Makefile | 1 -
> kernel/debug/kdb/kdb_main.c | 1 -
> 2 files changed, 2 deletions(-)
>
> diff --git a/kernel/debug/kdb/Makefile b/kernel/debug/kdb/Makefile
> index d4fc58f4b88d..efac857c5511 100644
> --- a/kernel/debug/kdb/Makefile
> +++ b/kernel/debug/kdb/Makefile
> @@ -6,7 +6,6 @@
> # Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved.
> #
>
> -CCVERSION := $(shell $(CC) -v 2>&1 | sed -ne '$$p')
> obj-y := kdb_io.o kdb_main.o kdb_support.o kdb_bt.o gen-kdb_cmds.o kdb_bp.o kdb_debugger.o
> obj-$(CONFIG_KDB_KEYBOARD) += kdb_keyboard.o
>
> diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
> index 82a3b32a7cfc..fc96dbf8d9de 100644
> --- a/kernel/debug/kdb/kdb_main.c
> +++ b/kernel/debug/kdb/kdb_main.c
> @@ -2522,7 +2522,6 @@ static int kdb_summary(int argc, const char **argv)
> kdb_printf("machine %s\n", init_uts_ns.name.machine);
> kdb_printf("nodename %s\n", init_uts_ns.name.nodename);
> kdb_printf("domainname %s\n", init_uts_ns.name.domainname);
> - kdb_printf("ccversion %s\n", __stringify(CCVERSION));
>
> now = __ktime_get_real_seconds();
> time64_to_tm(now, 0, &tm);
> --
> 2.21.0.392.gf8f6787159e-goog
>


--
Best Regards
Masahiro Yamada