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authorIngo Molnar <mingo@kernel.org>2020-08-06 10:16:38 +0200
committerIngo Molnar <mingo@kernel.org>2020-08-06 10:16:38 +0200
commita703f3633ff1d982bc4adfe7e0921bedb1701216 (patch)
treeeb85b29a0bbcb29045e197ab77e18ffc8649a722 /kernel/softirq.c
parenta7ef9b28aa8d72a1656fa6f0a01bbd1493886317 (diff)
parentb5e6a027bd327daa679ca55182a920659e2cbb90 (diff)
Merge branch 'WIP.locking/seqlocks' into locking/urgent
Pick up the full seqlock series PeterZ is working on. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r--kernel/softirq.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index c4201b7f42b1..5e9aaa648a74 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -107,6 +107,12 @@ static bool ksoftirqd_running(unsigned long pending)
* where hardirqs are disabled legitimately:
*/
#ifdef CONFIG_TRACE_IRQFLAGS
+
+DEFINE_PER_CPU(int, hardirqs_enabled);
+DEFINE_PER_CPU(int, hardirq_context);
+EXPORT_PER_CPU_SYMBOL_GPL(hardirqs_enabled);
+EXPORT_PER_CPU_SYMBOL_GPL(hardirq_context);
+
void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
{
unsigned long flags;
@@ -224,7 +230,7 @@ static inline bool lockdep_softirq_start(void)
{
bool in_hardirq = false;
- if (lockdep_hardirq_context(current)) {
+ if (lockdep_hardirq_context()) {
in_hardirq = true;
lockdep_hardirq_exit();
}