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| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-11-21 15:16:58 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-21 17:19:15 +0100 |
| commit | 04b74b27c2941e5d62120f6fee3a0a9388a30613 (patch) | |
| tree | 05a24b1a4768b12f6656a6121d1281ed77426116 /kernel/printk/printk.c | |
| parent | x86/nmi: Perform a safe NMI stack trace on all CPUs (diff) | |
| download | linux-04b74b27c2941e5d62120f6fee3a0a9388a30613.tar.xz linux-04b74b27c2941e5d62120f6fee3a0a9388a30613.zip | |
printk/percpu: Define printk_func when printk is not defined
To avoid include hell, the per_cpu variable printk_func was declared
in percpu.h. But it is only defined if printk is defined.
As users of printk may also use the printk_func variable, it needs to
be defined even if CONFIG_PRINTK is not.
Also add a printk.h include in percpu.h just to be safe.
Link: http://lkml.kernel.org/r/20141121183215.01ba539c@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to '')
| -rw-r--r-- | kernel/printk/printk.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index f7b723f98cb9..5af2b8bc88f0 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1896,6 +1896,9 @@ static size_t msg_print_text(const struct printk_log *msg, enum log_flags prev, bool syslog, char *buf, size_t size) { return 0; } static size_t cont_print_text(char *text, size_t size) { return 0; } +/* Still needs to be defined for users */ +DEFINE_PER_CPU(printk_func_t, printk_func); + #endif /* CONFIG_PRINTK */ #ifdef CONFIG_EARLY_PRINTK |