The patch titled Subject: kdb: kdb_current_regs should be private has been added to the -mm tree. Its filename is kdb-kdb_current_regs-should-be-private.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/kdb-kdb_current_regs-should-be-private.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/kdb-kdb_current_regs-should-be-private.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Douglas Anderson <dianders@xxxxxxxxxxxx> Subject: kdb: kdb_current_regs should be private As of the patch ("MIPS: kdb: Remove old workaround for backtracing on other CPUs") there is no reason for kdb_current_regs to be in the public "kdb.h". Let's move it next to kdb_current_task. Link: http://lkml.kernel.org/r/20191109111623.2.Iadbfb484e90b557cc4b5ac9890bfca732cd99d77@changeid Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> Cc: Chong Qiao <qiaochong@xxxxxxxxxxx> Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Cc: James Hogan <jhogan@xxxxxxxxxx> Cc: Jason Wessel <jason.wessel@xxxxxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> Cc: Paul Burton <paul.burton@xxxxxxxx> Cc: Philippe Mathieu-Daud <f4bug@xxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Cc: Serge Semin <fancer.lancer@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/kdb.h | 2 -- kernel/debug/kdb/kdb_private.h | 1 + 2 files changed, 1 insertion(+), 2 deletions(-) --- a/include/linux/kdb.h~kdb-kdb_current_regs-should-be-private +++ a/include/linux/kdb.h @@ -183,8 +183,6 @@ int kdb_process_cpu(const struct task_st return cpu; } -/* kdb access to register set for stack dumping */ -extern struct pt_regs *kdb_current_regs; #ifdef CONFIG_KALLSYMS extern const char *kdb_walk_kallsyms(loff_t *pos); #else /* ! CONFIG_KALLSYMS */ --- a/kernel/debug/kdb/kdb_private.h~kdb-kdb_current_regs-should-be-private +++ a/kernel/debug/kdb/kdb_private.h @@ -242,6 +242,7 @@ extern void debug_kusage(void); extern void kdb_set_current_task(struct task_struct *); extern struct task_struct *kdb_current_task; +extern struct pt_regs *kdb_current_regs; #ifdef CONFIG_KDB_KEYBOARD extern void kdb_kbd_cleanup_state(void); _ Patches currently in -mm which might be from dianders@xxxxxxxxxxxx are mips-kdb-remove-old-workaround-for-backtracing-on-other-cpus.patch kdb-kdb_current_regs-should-be-private.patch kdb-kdb_current_task-shouldnt-be-exported.patch kdb-gid-rid-of-implicit-setting-of-the-current-task-regs.patch kdb-get-rid-of-confusing-diag-msg-from-rd-if-current-task-has-no-regs.patch