diff options
Diffstat (limited to 'config/spl-build.m4')
| -rw-r--r-- | config/spl-build.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index 15d10841b..9d81ccc8e 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -28,6 +28,8 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [ SPL_AC_ATOMIC_SPINLOCK SPL_AC_TYPE_UINTPTR_T SPL_AC_TYPE_ATOMIC64_T + SPL_AC_TYPE_ATOMIC64_CMPXCHG + SPL_AC_TYPE_ATOMIC64_XCHG SPL_AC_3ARGS_INIT_WORK SPL_AC_2ARGS_REGISTER_SYSCTL SPL_AC_SET_SHRINKER @@ -489,6 +491,44 @@ AC_DEFUN([SPL_AC_TYPE_ATOMIC64_T], ]) dnl # +dnl # 2.6.24 API change, +dnl # check if atomic64_cmpxchg is defined +dnl # +AC_DEFUN([SPL_AC_TYPE_ATOMIC64_CMPXCHG], + [AC_MSG_CHECKING([whether kernel defines atomic64_cmpxchg]) + SPL_LINUX_TRY_COMPILE([ + #include <asm/atomic.h> + ],[ + atomic64_cmpxchg((atomic64_t *)NULL, 0, 0); + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_ATOMIC64_CMPXCHG, 1, + [kernel defines atomic64_cmpxchg]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + +dnl # +dnl # 2.6.24 API change, +dnl # check if atomic64_xchg is defined +dnl # +AC_DEFUN([SPL_AC_TYPE_ATOMIC64_XCHG], + [AC_MSG_CHECKING([whether kernel defines atomic64_xchg]) + SPL_LINUX_TRY_COMPILE([ + #include <asm/atomic.h> + ],[ + atomic64_xchg((atomic64_t *)NULL, 0); + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_ATOMIC64_XCHG, 1, + [kernel defines atomic64_xchg]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) + +dnl # dnl # 2.6.20 API change, dnl # INIT_WORK use 2 args and not store data inside dnl # |