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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-18 10:50:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-18 10:50:45 -0800
commit7d5775d49e4a488bc8a07e5abb2b71a4c28aadbb (patch)
treedc93689f2ece8f213e223951f75aada9d86c6be6 /include
parent42eb8fdac2fc5d62392dcfcf0253753e821a97b0 (diff)
parentbf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9 (diff)
Merge tag 'printk-for-5.16-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fixes from Petr Mladek: - Try to flush backtraces from other CPUs also on the local one. This was a regression caused by printk_safe buffers removal. - Remove header dependency warning. * tag 'printk-for-5.16-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printk: Remove printk.h inclusion in percpu.h printk: restore flushing of NMI buffers on remote CPUs after NMI backtraces
Diffstat (limited to 'include')
-rw-r--r--include/linux/percpu.h1
-rw-r--r--include/linux/printk.h4
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 98a9371133f8..ae4004e7957e 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -6,7 +6,6 @@
#include <linux/preempt.h>
#include <linux/smp.h>
#include <linux/cpumask.h>
-#include <linux/printk.h>
#include <linux/pfn.h>
#include <linux/init.h>
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 85b656f82d75..9497f6b98339 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -198,6 +198,7 @@ void dump_stack_print_info(const char *log_lvl);
void show_regs_print_info(const char *log_lvl);
extern asmlinkage void dump_stack_lvl(const char *log_lvl) __cold;
extern asmlinkage void dump_stack(void) __cold;
+void printk_trigger_flush(void);
#else
static inline __printf(1, 0)
int vprintk(const char *s, va_list args)
@@ -274,6 +275,9 @@ static inline void dump_stack_lvl(const char *log_lvl)
static inline void dump_stack(void)
{
}
+static inline void printk_trigger_flush(void)
+{
+}
#endif
#ifdef CONFIG_SMP