Saw these compile errors on SPARC when queued rwlock feature is enabled. CC kernel/locking/qrwlock.o kernel/locking/qrwlock.c: In function ‘queued_read_lock_slowpath’: kernel/locking/qrwlock.c:89: error: implicit declaration of function ‘arch_spin_lock’ kernel/locking/qrwlock.c:102: error: implicit declaration of function ‘arch_spin_unlock’ make[4]: *** [kernel/locking/qrwlock.o] Error 1 Include spinlock.h in qrwlock.c to fix it. Signed-off-by: Babu Moger <babu.moger@xxxxxxxxxx> Reviewed-by: Håkon Bugge <haakon.bugge@xxxxxxxxxx> Reviewed-by: Jane Chu <jane.chu@xxxxxxxxxx> Reviewed-by: Shannon Nelson <shannon.nelson@xxxxxxxxxx> Reviewed-by: Vijay Kumar <vijay.ac.kumar@xxxxxxxxxx> --- kernel/locking/qrwlock.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/locking/qrwlock.c b/kernel/locking/qrwlock.c index cc3ed0c..2655f26 100644 --- a/kernel/locking/qrwlock.c +++ b/kernel/locking/qrwlock.c @@ -20,6 +20,7 @@ #include <linux/cpumask.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <linux/spinlock.h> #include <asm/qrwlock.h> /* -- 1.7.1
