ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION

Rather than #define the options manually in the architecture code, add
Kconfig options for them and select them there instead.  This also allows
us to select the compat IPC version parsing automatically for platforms
using the old compat IPC interface.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 4 insertions, 4 deletions

diff --git a/ipc/compat.c b/ipc/compat.c
index 20f92b2f2932..ad9518eb26e0 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -118,7 +118,7 @@ extern int sem_ctls[];
 
 static inline int compat_ipc_parse_version(int *cmd)
 {
-#ifdef  __ARCH_WANT_COMPAT_IPC_PARSE_VERSION
+#ifdef  CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
         int version = *cmd & IPC_64;
 
         /* this is tricky: architectures that have support for the old
diff --git a/ipc/util.c b/ipc/util.c
index 75261a31d48d..eb07fd356f27 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -804,7 +804,7 @@ out_up:
         return ERR_PTR(err);
 }
 
-#ifdef __ARCH_WANT_IPC_PARSE_VERSION
+#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
 
 
 /**
@@ -826,7 +826,7 @@ int ipc_parse_version (int *cmd)
         }
 }
 
-#endif /* __ARCH_WANT_IPC_PARSE_VERSION */
+#endif /* CONFIG_ARCH_WANT_IPC_PARSE_VERSION */
 
 #ifdef CONFIG_PROC_FS
 struct ipc_proc_iter {
diff --git a/ipc/util.h b/ipc/util.h
index 6f5c20bedaab..850ef3e962cb 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -130,7 +130,7 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_namespace *ns,
                                       struct ipc_ids *ids, int id, int cmd,
                                       struct ipc64_perm *perm, int extra_perm);
 
-#ifndef __ARCH_WANT_IPC_PARSE_VERSION
+#ifndef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
   /* On IA-64, we always use the "64-bit version" of the IPC structures.  */ 
 # define ipc_parse_version(cmd) IPC_64
 #else