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
])
])
+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
+fi
+
+ rm -Rf build
+
+
+
+ echo "$as_me:$LINENO: checking whether kernel defines atomic64_cmpxchg" >&5
+echo $ECHO_N "checking whether kernel defines atomic64_cmpxchg... $ECHO_C" >&6
+
+
+cat >conftest.c <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_cmpxchg((atomic64_t *)NULL, 0, 0);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build
+ echo "obj-m := conftest.o" >build/Makefile
+ if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_CMPXCHG 1
+_ACEOF
+
+
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+ echo "$as_me:$LINENO: checking whether kernel defines atomic64_xchg" >&5
+echo $ECHO_N "checking whether kernel defines atomic64_xchg... $ECHO_C" >&6
+
+
+cat >conftest.c <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_xchg((atomic64_t *)NULL, 0);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build
+ echo "obj-m := conftest.o" >build/Makefile
+ if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_XCHG 1
+_ACEOF
+
+
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+
+
fi
rm -Rf build
+fi
+
+ rm -Rf build
+
+
+
+ echo "$as_me:$LINENO: checking whether kernel defines atomic64_cmpxchg" >&5
+echo $ECHO_N "checking whether kernel defines atomic64_cmpxchg... $ECHO_C" >&6
+
+
+cat >conftest.c <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_cmpxchg((atomic64_t *)NULL, 0, 0);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build
+ echo "obj-m := conftest.o" >build/Makefile
+ if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_CMPXCHG 1
+_ACEOF
+
+
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+ echo "$as_me:$LINENO: checking whether kernel defines atomic64_xchg" >&5
+echo $ECHO_N "checking whether kernel defines atomic64_xchg... $ECHO_C" >&6
+
+
+cat >conftest.c <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_xchg((atomic64_t *)NULL, 0);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build
+ echo "obj-m := conftest.o" >build/Makefile
+ if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_XCHG 1
+_ACEOF
+
+
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+
+
+
fi
rm -Rf build