EXTRA_KCFLAGS="$tmp_flags"
])
-# LIBCFS_TASKLIST_LOCK
-# 2.6.18 remove tasklist_lock export
-AC_DEFUN([LIBCFS_TASKLIST_LOCK],
-[LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
-[kernel/fork.c],[
-AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
- [tasklist_lock exported])
-],[
-])
-])
-
-# LIBCFS_DIGEST_SETKEY_FLAGS
-# digest_alg.dia_setkey takes 4 args (2.6.18)
-#
-AC_DEFUN([LIBCFS_DIGEST_SETKEY_FLAGS],
-[AC_MSG_CHECKING([if kernel dia_setkey takes 4 args])
-LB_LINUX_TRY_COMPILE([
- #include <linux/err.h>
- #include <linux/crypto.h>
-
- static int foo(struct crypto_tfm *tfm, const u8 *key, unsigned int l, u32* f)
- {
- return 1;
- }
-],[
- struct digest_alg alg = {.dia_setkey=foo};
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_DIGEST_SETKEY_FLAGS, 1, [kernel dia_setkey takes 4 args])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-
-# 2.6.19 API changes
-# kmem_cache_destroy(cachep) return void instead of
-# int
-AC_DEFUN([LIBCFS_KMEM_CACHE_DESTROY_INT],
-[AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
-LB_LINUX_TRY_COMPILE([
- #include <linux/slab.h>
-],[
- int i __attribute__ ((unused));
- i = kmem_cache_destroy(NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
- [kmem_cache_destroy(cachep) return int])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# check cpumask_size (2.6.28)
-AC_DEFUN([LIBCFS_CPUMASK_SIZE],
-[AC_MSG_CHECKING([whether have cpumask_size()])
-LB_LINUX_TRY_COMPILE([
- #include <linux/cpumask.h>
-],[
- int size = cpumask_size();
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_CPUMASK_SIZE, 1, [have cpumask_size()])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# check cpu topology functions
-#
-# topology_core_cpumask (2.6.29, not on all archs)
-# topology_core_siblings (not on all archs)
-# topology_thread_cpumask (2.6.29, not on all archs)
-# topology_thread_siblings (not on all archs)
-# cpumask_of_node/node_to_cpumask (not always exported)
-AC_DEFUN([LIBCFS_CPU_TOPOLOGY],
-[AC_MSG_CHECKING([whether have topology.h])
-LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
-],[],[
- AC_DEFINE(HAVE_CPU_TOPOLOGY, 1, [have CPU topology])
- AC_MSG_RESULT(yes)
-
- AC_MSG_CHECKING([whether have topology_core_cpumask])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t *mask = topology_core_cpumask(0);
- ],[
- AC_DEFINE(HAVE_TOPOLOGY_CORE_CPUMASK, 1,
- [have topology_core_cpumask])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-
- AC_MSG_CHECKING([whether have topology_core_siblings])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t mask = topology_core_siblings(0);
- ],[
- AC_DEFINE(HAVE_TOPOLOGY_CORE_SIBLINGS, 1,
- [have topology_core_siblings])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-
- AC_MSG_CHECKING([whether have topology_thread_cpumask])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t *mask = topology_thread_cpumask(0);
- ],[
- AC_DEFINE(HAVE_TOPOLOGY_THREAD_CPUMASK, 1,
- [have topology_thread_cpumask])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-
- AC_MSG_CHECKING([whether have topology_thread_siblings])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t mask = topology_thread_siblings(0);
- ],[
- AC_DEFINE(HAVE_TOPOLOGY_THREAD_SIBLINGS, 1,
- [have topology_thread_siblings])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-
- AC_MSG_CHECKING([whether have cpumask_of_node])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t *mask = cpumask_of_node(0);
- ],[
- AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-
- AC_MSG_CHECKING([whether have node_to_cpumask])
- LB_LINUX_TRY_COMPILE([
- #include <linux/topology.h>
- ],[
- cpumask_t mask = node_to_cpumask(0);
- ],[
- AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [have node_to_cpumask])
- AC_MSG_RESULT(yes)
- ],[
- AC_MSG_RESULT(no)
- ])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-
-# 2.6.20 API change INIT_WORK use 2 args and not
-# store data inside
-AC_DEFUN([LIBCFS_3ARGS_INIT_WORK],
-[AC_MSG_CHECKING([check INIT_WORK want 3 args])
-LB_LINUX_TRY_COMPILE([
- #include <linux/workqueue.h>
-],[
- struct work_struct work __attribute__ ((unused));
-
- INIT_WORK(&work, NULL, NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
- [INIT_WORK use 3 args and store data inside])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# 2.6.21 api change. 'register_sysctl_table' use only one argument,
-# instead of more old which need two.
-AC_DEFUN([LIBCFS_2ARGS_REGISTER_SYSCTL],
-[AC_MSG_CHECKING([check register_sysctl_table want 2 args])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sysctl.h>
-],[
- register_sysctl_table(NULL,0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
- [register_sysctl_table want 2 args])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# 2.6.23 lost dtor argument
-AC_DEFUN([LIBCFS_KMEM_CACHE_CREATE_DTOR],
-[AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
-LB_LINUX_TRY_COMPILE([
- #include <linux/slab.h>
-],[
- kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
- [kmem_cache_create has dtor argument])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-#2.6.23 has new shrinker API
-AC_DEFUN([LC_REGISTER_SHRINKER],
-[AC_MSG_CHECKING([if kernel has register_shrinker])
-LB_LINUX_TRY_COMPILE([
- #include <linux/mm.h>
-],[
- register_shrinker(NULL);
-], [
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
- [kernel has register_shrinker])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-# 2.6.24 request not use real numbers for ctl_name
-AC_DEFUN([LIBCFS_SYSCTL_UNNUMBERED],
-[AC_MSG_CHECKING([for CTL_UNNUMBERED])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sysctl.h>
-],[
- #ifndef CTL_UNNUMBERED
- #error CTL_UNNUMBERED not exist in kernel
- #endif
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SYSCTL_UNNUMBERED, 1,
- [sysctl has CTL_UNNUMBERED])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# 2.6.24 lost scatterlist->page
-AC_DEFUN([LIBCFS_SCATTERLIST_SETPAGE],
-[AC_MSG_CHECKING([for exist sg_set_page])
-LB_LINUX_TRY_COMPILE([
- #include <asm/types.h>
- #include <linux/scatterlist.h>
-],[
- sg_set_page(NULL,NULL,0,0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1,
- [struct scatterlist has page member])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# 2.6.24
-AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
-[AC_MSG_CHECKING([for network stack has namespaces])
-LB_LINUX_TRY_COMPILE([
- #include <net/net_namespace.h>
-],[
- struct net *net __attribute__ ((unused));
- net = &init_net;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_INIT_NET, 1,
- [kernel is support network namespaces ])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-#
-# LIBCFS_FUNC_DUMP_TRACE
-#
-# 2.6.23 exports dump_trace() so we can dump_stack() on any task
-# 2.6.24 has stacktrace_ops.address with "reliable" parameter
-#
-AC_DEFUN([LIBCFS_FUNC_DUMP_TRACE],
-[LB_CHECK_SYMBOL_EXPORT([dump_trace],
-[kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c arch/x86/kernel/dumpstack_32.c arch/x86/kernel/dumpstack_64.c],[
- tmp_flags="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="-Werror"
- AC_MSG_CHECKING([whether we can really use dump_trace])
- LB_LINUX_TRY_COMPILE([
- struct task_struct;
- struct pt_regs;
- #include <asm/stacktrace.h>
- ],[
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DUMP_TRACE, 1, [dump_trace is exported])
- ],[
- AC_MSG_RESULT(no)
- ],[
- ])
- AC_MSG_CHECKING([whether print_trace_address has reliable argument])
- LB_LINUX_TRY_COMPILE([
- struct task_struct;
- struct pt_regs;
- #include <asm/stacktrace.h>
- ],[
- ((struct stacktrace_ops *)0)->address(NULL, 0, 0);
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_TRACE_ADDRESS_RELIABLE, 1,
- [print_trace_address has reliable argument])
- ],[
- AC_MSG_RESULT(no)
- ],[
- ])
- AC_MSG_CHECKING([whether stacktrace_ops.warning is exist])
- LB_LINUX_TRY_COMPILE([
- struct task_struct;
- struct pt_regs;
- #include <asm/stacktrace.h>
- ],[
- ((struct stacktrace_ops *)0)->warning(NULL, NULL);
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist])
- ],[
- AC_MSG_RESULT(no)
- ],[
- ])
- AC_MSG_CHECKING([dump_trace want address])
- LB_LINUX_TRY_COMPILE([
- struct task_struct;
- struct pt_regs;
- #include <asm/stacktrace.h>
- ],[
- dump_trace(NULL, NULL, NULL, 0, NULL, NULL);
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1,
- [dump_trace want address argument])
- ],[
- AC_MSG_RESULT(no)
- ],[
- ])
-
-EXTRA_KCFLAGS="$tmp_flags"
-])
-])
-
-
-# 2.6.26 use int instead of atomic for sem.count
-AC_DEFUN([LIBCFS_SEM_COUNT],
-[AC_MSG_CHECKING([atomic sem.count])
-LB_LINUX_TRY_COMPILE([
- #include <asm/semaphore.h>
-],[
- struct semaphore s __attribute__ ((unused));
-
- atomic_read(&s.count);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SEM_COUNT_ATOMIC, 1,
- [semaphore counter is atomic])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# 2.6.27 have second argument to sock_map_fd
-AC_DEFUN([LIBCFS_SOCK_MAP_FD_2ARG],
-[AC_MSG_CHECKING([sock_map_fd have second argument])
-LB_LINUX_TRY_COMPILE([
- #include <linux/net.h>
-],[
- sock_map_fd(NULL, 0);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SOCK_MAP_FD_2ARG, 1,
- [sock_map_fd have second argument])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-# LIBCFS_CRED_WRAPPERS
-#
-# wrappers for task's credentials are in sles11
-#
-AC_DEFUN([LIBCFS_CRED_WRAPPERS],
-[AC_MSG_CHECKING([if kernel has wrappers for task's credentials])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- uid_t uid;
-
- uid = current_uid() + sizeof(uid);
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_CRED_WRAPPERS, 1, [task's cred wrappers found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# LN_STRUCT_CRED_IN_TASK
-#
-# struct cred was introduced in 2.6.29 to streamline credentials in task struct
-#
-AC_DEFUN([LIBCFS_STRUCT_CRED_IN_TASK],
-[AC_MSG_CHECKING([if kernel has struct cred])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- struct task_struct *tsk = NULL;
- tsk->real_cred = NULL;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STRUCT_CRED, 1, [struct cred found])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-# LIBCFS_STRUCT_SHASH_ALG
-# struct shash_alg was introduced in 2.6.29
-#
-AC_DEFUN([LIBCFS_STRUCT_SHASH_ALG],
-[AC_MSG_CHECKING([if kernel has struct shash_alg])
-LB_LINUX_TRY_COMPILE([
- #include <linux/err.h>
- #include <crypto/internal/hash.h>
-],[
- struct shash_alg foo;
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_STRUCT_SHASH_ALG, 1, [kernel has struct shash_alg])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-
-#
-# LIBCFS_FUNC_UNSHARE_FS_STRUCT
-#
-# unshare_fs_struct was introduced in 2.6.30 to prevent others to directly
-# mess with copy_fs_struct
-#
-AC_DEFUN([LIBCFS_FUNC_UNSHARE_FS_STRUCT],
-[AC_MSG_CHECKING([if kernel defines unshare_fs_struct()])
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
- #include <linux/fs_struct.h>
-],[
- unshare_fs_struct();
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_UNSHARE_FS_STRUCT, 1, [unshare_fs_struct found])
-],[
- AC_MSG_RESULT([no])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-])
-
-#
-# LIBCFS_HAVE_IS_COMPAT_TASK
-#
-# Added in 2.6.17, it wasn't until 2.6.29 that all
-# Linux architectures have is_compat_task()
-#
-AC_DEFUN([LIBCFS_HAVE_IS_COMPAT_TASK],
-[AC_MSG_CHECKING([if is_compat_task() is declared])
-LB_LINUX_TRY_COMPILE([
- #include <linux/compat.h>
-],[
- int i __attribute__ ((unused));
- i = is_compat_task();
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
#
# LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
#
])
])
-AC_DEFUN([LIBCFS_HAVE_OOM_H],
-[LB_CHECK_FILE([$LINUX/include/linux/oom.h], [
- AC_DEFINE(HAVE_LINUX_OOM_H, 1,
- [kernel has include/oom.h])
-],[
- AC_MSG_RESULT([no])
-])
-])
-
-#
-# check set_mems_allowed
-# 2.6.31 adds function set_mems_allowed in cpuset.h
-#
-AC_DEFUN([LIBCFS_HAVE_SET_MEMS_ALLOWED],
-[AC_MSG_CHECKING([whether have set_mems_allowed()])
-LB_LINUX_TRY_COMPILE([
- #include <linux/cpuset.h>
-],[
- nodemask_t mask;
-
- set_mems_allowed(mask);
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_SET_MEMS_ALLOWED, 1, [have set_mems_allowed()])
-],[
- AC_MSG_RESULT(NO)
-])
-])
-
-
#
# RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function
#
])
])
-# 2.6.18 store oom parameters in task struct.
-# 2.6.32 store oom parameters in signal struct
-AC_DEFUN([LIBCFS_OOMADJ_IN_SIG],
-[AC_MSG_CHECKING([kernel store oom parameters in task])
-LB_LINUX_TRY_COMPILE([
- #include <linux/sched.h>
-],[
- ((struct signal_struct *)0)->oom_adj = 0;
-],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_OOMADJ_IN_SIG, 1,
- [kernel store a oom parameters in signal struct])
-],[
- AC_MSG_RESULT(no)
-])
-])
-
#
# 2.6.33 no longer has ctl_name & strategy field in struct ctl_table.
#
AC_DEFINE(HAVE_SK_SLEEP, 1, [kernel has sk_sleep])
],[
AC_MSG_RESULT(no)
+],[
+])
+])
+
+# 2.6.39 adds a base pointer address argument to dump_trace
+AC_DEFUN([LIBCFS_DUMP_TRACE_ADDRESS],
+[AC_MSG_CHECKING([dump_trace want address])
+LB_LINUX_TRY_COMPILE([
+ struct task_struct;
+ struct pt_regs;
+ #include <asm/stacktrace.h>
+],[
+ dump_trace(NULL, NULL, NULL, 0, NULL, NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1,
+ [dump_trace want address argument])
+],[
+ AC_MSG_RESULT(no)
+],[
])
])
])
])
+# 3.0 removes stacktrace_ops warning* functions
+AC_DEFUN([LIBCFS_STACKTRACE_WARNING],
+[AC_MSG_CHECKING([whether stacktrace_ops.warning is exist])
+LB_LINUX_TRY_COMPILE([
+ struct task_struct;
+ struct pt_regs;
+ #include <asm/stacktrace.h>
+],[
+ ((struct stacktrace_ops *)0)->warning(NULL, NULL);
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist])
+],[
+ AC_MSG_RESULT(no)
+],[
+])
+])
+
+#
+# FC18 3.7.2-201 unexport sock_map_fd() change to
+# use sock_alloc_file().
+# upstream commit 56b31d1c9f1e6a3ad92e7bfe252721e05d92b285
+#
+AC_DEFUN([LIBCFS_SOCK_ALLOC_FILE],
+[LB_CHECK_SYMBOL_EXPORT([sock_alloc_file], [net/socket.c],[
+ LB_LINUX_TRY_COMPILE([
+ #include <linux/net.h>
+ ],[
+ sock_alloc_file(NULL, 0, NULL);
+ ],[
+ AC_DEFINE(HAVE_SOCK_ALLOC_FILE_3ARGS, 1,
+ [sock_alloc_file takes 3 arguments])
+ ],[
+ AC_DEFINE(HAVE_SOCK_ALLOC_FILE, 1,
+ [sock_alloc_file is exported])
+ ])
+],[
+])
+])
+
+AC_DEFUN([LIBCFS_HAVE_CRC32],
+[LB_LINUX_CONFIG_IM([CRC32],
+ [have_crc32=true],[have_crc32=false])
+if test x$have_crc32 = xtrue; then
+ AC_DEFINE(HAVE_CRC32, 1, [kernel compiled with CRC32 functions])
+fi
+])
+
+AC_DEFUN([LIBCFS_ENABLE_CRC32_ACCEL],
+[LB_LINUX_CONFIG_IM([CRYPTO_CRC32_PCLMUL],
+ [enable_crc32_crypto=false],[enable_crc32_crypto=true])
+if test x$have_crc32 = xtrue -a x$enable_crc32_crypto = xtrue; then
+ AC_DEFINE(NEED_CRC32_ACCEL, 1, [need pclmulqdq based crc32])
+ AC_MSG_WARN([
+
+No crc32 pclmulqdq crypto api found, enable internal pclmulqdq based crc32
+])
+fi
+])
+
+AC_DEFUN([LIBCFS_ENABLE_CRC32C_ACCEL],
+[LB_LINUX_CONFIG_IM([CRYPTO_CRC32C_INTEL],
+ [enable_crc32c_crypto=false],[enable_crc32c_crypto=true])
+if test x$enable_crc32c_crypto = xtrue; then
+ AC_DEFINE(NEED_CRC32C_ACCEL, 1, [need pclmulqdq based crc32c])
+ AC_MSG_WARN([
+
+No crc32c pclmulqdq crypto api found, enable internal pclmulqdq based crc32c
+])
+fi
+])
+
#
# LIBCFS_PROG_LINUX
#
LIBCFS_CONFIG_PANIC_DUMPLOG
LIBCFS_U64_LONG_LONG_LINUX
-# 2.6.18
-LIBCFS_TASKLIST_LOCK
-LIBCFS_HAVE_IS_COMPAT_TASK
-LIBCFS_DIGEST_SETKEY_FLAGS
-# 2.6.19
-LIBCFS_KMEM_CACHE_DESTROY_INT
-# 2.6.20
-LIBCFS_3ARGS_INIT_WORK
-# 2.6.21
-LIBCFS_2ARGS_REGISTER_SYSCTL
-# 2.6.23
-LIBCFS_KMEM_CACHE_CREATE_DTOR
-LC_REGISTER_SHRINKER
-# 2.6.24
-LIBCFS_SYSCTL_UNNUMBERED
-LIBCFS_SCATTERLIST_SETPAGE
-LIBCFS_NETWORK_NAMESPACE
-LIBCFS_FUNC_DUMP_TRACE
-# 2.6.26
-LIBCFS_SEM_COUNT
-# 2.6.27
-LIBCFS_CRED_WRAPPERS
-# 2.6.28
-LIBCFS_CPUMASK_SIZE
-# 2.6.29
-LIBCFS_STRUCT_CRED_IN_TASK
-LIBCFS_CPU_TOPOLOGY
-LIBCFS_STRUCT_SHASH_ALG
-# 2.6.30
-LIBCFS_FUNC_UNSHARE_FS_STRUCT
-LIBCFS_SOCK_MAP_FD_2ARG
-# 2.6.31
-LIBCFS_HAVE_SET_MEMS_ALLOWED
# 2.6.32
LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
LC_SHRINKER_WANT_SHRINK_PTR
-LIBCFS_HAVE_OOM_H
-LIBCFS_OOMADJ_IN_SIG
# 2.6.33
LIBCFS_SYSCTL_CTLNAME
# 2.6.34
LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
# 2.6.35
LC_SK_SLEEP
+# 2.6.39
+LIBCFS_DUMP_TRACE_ADDRESS
# 2.6.40 fc15
LC_SHRINK_CONTROL
+# 3.0
+LIBCFS_STACKTRACE_WARNING
+# 3.7
+LIBCFS_SOCK_ALLOC_FILE
+# 3.8
+LIBCFS_HAVE_CRC32
+LIBCFS_ENABLE_CRC32_ACCEL
+# 3.10
+LIBCFS_ENABLE_CRC32C_ACCEL
])
#
# lnet/utils/wirecheck.c
AC_CHECK_FUNCS([strnlen])
+# lnet/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcpy])
+
+# libcfs/libcfs/user-prim.c, missing for RHEL5 and earlier userspace
+AC_CHECK_FUNCS([strlcat])
+
AC_CHECK_TYPE([umode_t],
[AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])],
[],
__u64 *data2 = NULL;
data1 = data2;
+ data2 = data1;
return 0;
}
],[
# -------- check for -lpthread support ----
-AC_MSG_CHECKING([whether to use libpthread for libcfs library])
AC_ARG_ENABLE([libpthread],
AC_HELP_STRING([--disable-libpthread],
[disable libpthread]),
AC_CHECK_LIB([pthread], [pthread_create],
[ENABLE_LIBPTHREAD="yes"],
[ENABLE_LIBPTHREAD="no"])
+ AC_MSG_CHECKING([whether to use libpthread for libcfs library])
+ AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
if test "$ENABLE_LIBPTHREAD" = "yes" ; then
- AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
PTHREAD_LIBS="-lpthread"
AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
else
PTHREAD_LIBS=""
- AC_MSG_RESULT([no libpthread is found])
fi
AC_SUBST(PTHREAD_LIBS)
else
- AC_MSG_RESULT([no (disabled explicitly)])
+ AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly])
ENABLE_LIBPTHREAD="no"
fi
AC_SUBST(ENABLE_LIBPTHREAD)
-
-
])
#
#
AC_DEFUN([LIBCFS_CONDITIONALS],
[
+AM_CONDITIONAL(HAVE_CRC32, test x$have_crc32 = xtrue)
+AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32, test x$have_crc32 = xtrue -a x$enable_crc32_crypto = xtrue)
+AM_CONDITIONAL(NEED_PCLMULQDQ_CRC32C, test x$enable_crc32c_crypto = xtrue)
])
#
git://git.whamcloud.com / fs / lustre-release.git / blobdiff