diff options
| author | Babu Moger <babu.moger@oracle.com> | 2017-05-24 17:55:15 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-25 12:06:52 -0700 |
| commit | 145d978585977438ebb55079487827006c604e39 (patch) | |
| tree | 8c2db73ea429d948a46c6b8577ce6c40a3fd18bd /arch/sparc/include/asm/qspinlock.h | |
| parent | 79d39e2bab60d18a68a5abc00be4506864397efc (diff) | |
| download | linux-145d978585977438ebb55079487827006c604e39.tar.bz2 | |
arch/sparc: Enable queued spinlock support for SPARC
This patch makes the necessary changes in SPARC architecture to enable
queued spinlock support. Here are some of the earlier discussions about
this feature.
https://lwn.net/Articles/561775/
https://lwn.net/Articles/590243/
Cleaned-up the spinlock_64.h. The definitions of arch_spin_xxx are
replaced by the function in <asm-generic/qspinlock.h>
Signed-off-by: Babu Moger <babu.moger@oracle.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Reviewed-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/qspinlock.h')
| -rw-r--r-- | arch/sparc/include/asm/qspinlock.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/qspinlock.h b/arch/sparc/include/asm/qspinlock.h new file mode 100644 index 000000000000..5ae9a2802846 --- /dev/null +++ b/arch/sparc/include/asm/qspinlock.h @@ -0,0 +1,7 @@ +#ifndef _ASM_SPARC_QSPINLOCK_H +#define _ASM_SPARC_QSPINLOCK_H + +#include <asm-generic/qspinlock_types.h> +#include <asm-generic/qspinlock.h> + +#endif /* _ASM_SPARC_QSPINLOCK_H */ |