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.mo...@oracle.com> Reviewed-by: Håkon Bugge <haakon.bu...@oracle.com> Reviewed-by: Jane Chu <jane....@oracle.com> Reviewed-by: Shannon Nelson <shannon.nel...@oracle.com> Reviewed-by: Vijay Kumar <vijay.ac.ku...@oracle.com> --- 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