tree-wide: make personality codepaths unconditional

src/lxc/attach.c

@@ -48,10 +48,6 @@
 #include "terminal.h"
 #include "utils.h"
 
-#if HAVE_SYS_PERSONALITY_H
-#include <sys/personality.h>
-#endif
-
 lxc_log_define(attach, lxc);
 
 /* Define default options if no options are supplied by the user. */
@@ -1147,7 +1143,6 @@ __noreturn static void do_attach(struct attach_payload *ap)
 	}
 
 	/* Now perform additional attachments. */
-#if HAVE_SYS_PERSONALITY_H
 	if (options->attach_flags & LXC_ATTACH_SET_PERSONALITY) {
 		long new_personality;
 
@@ -1164,7 +1159,6 @@ __noreturn static void do_attach(struct attach_payload *ap)
 			TRACE("Set new personality");
 		}
 	}
-#endif
 
 	if (options->attach_flags & LXC_ATTACH_DROP_CAPABILITIES) {
 		ret = drop_capabilities(ctx);

src/lxc/conf.c

@@ -80,10 +80,6 @@
 #include <sys/capability.h>
 #endif
 
-#if HAVE_SYS_PERSONALITY_H
-#include <sys/personality.h>
-#endif
-
 #ifndef HAVE_STRLCAT
 #include "include/strlcat.h"
 #endif
@@ -1732,11 +1728,10 @@ static int lxc_setup_devpts_child(struct lxc_handler *handler)
 	return 0;
 }
 
-static int setup_personality(int persona)
+static int setup_personality(signed long persona)
 {
 	int ret;
 
-#if HAVE_SYS_PERSONALITY_H
 	if (persona == -1)
 		return 0;
 
@@ -1744,8 +1739,7 @@ static int setup_personality(int persona)
 	if (ret < 0)
 		return log_error_errno(-1, errno, "Failed to set personality to \"0x%x\"", persona);
 
-	INFO("Set personality to \"0x%x\"", persona);
-#endif
+	INFO("Set personality to \"0lx%lx\"", persona);
 
 	return 0;
 }

src/lxc/confile.c

@@ -39,10 +39,6 @@
 #include "storage/storage.h"
 #include "utils.h"
 
-#if HAVE_SYS_PERSONALITY_H
-#include <sys/personality.h>
-#endif
-
 #ifndef HAVE_STRLCPY
 #include "include/strlcpy.h"
 #endif
@@ -3215,7 +3211,6 @@ void lxc_config_define_free(struct lxc_list *defines)
 
 signed long lxc_config_parse_arch(const char *arch)
 {
-#if HAVE_SYS_PERSONALITY_H
 	static struct per_name {
 		char *name;
 		unsigned long per;
@@ -3252,7 +3247,6 @@ signed long lxc_config_parse_arch(const char *arch)
 	for (int i = 0; i < len; i++)
 		if (strequal(pername[i].name, arch))
 			return pername[i].per;
-#endif
 
 	return LXC_ARCH_UNCHANGED;
 }
@@ -3735,7 +3729,6 @@ static int get_config_personality(const char *key, char *retv, int inlen,
 	else
 		memset(retv, 0, inlen);
 
-#if HAVE_SYS_PERSONALITY_H
 	int len = 0;
 
 	switch (c->personality) {
@@ -3748,7 +3741,6 @@ static int get_config_personality(const char *key, char *retv, int inlen,
 	default:
 		break;
 	}
-#endif
 
 	return fulllen;
 }

src/lxc/syscall_wrappers.h

@@ -31,6 +31,10 @@
 #include <linux/openat2.h>
 #endif
 
+#if HAVE_SYS_PERSONALITY_H
+#include <sys/personality.h>
+#endif
+
 typedef int32_t key_serial_t;
 
 #if !HAVE_KEYCTL