[PARISC] Switch is_compat_task to use TIF_32BIT
Stop using PER_LINUX32 to designate processes needing
compaterizing. Convert is_compat_task to use TIF_32BIT and
set TIF_32BIT in binfmt_elf32.c
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c
index d1833f1..1e64e7b 100644
--- a/arch/parisc/kernel/binfmt_elf32.c
+++ b/arch/parisc/kernel/binfmt_elf32.c
@@ -87,7 +87,7 @@
*/
#define SET_PERSONALITY(ex, ibcs2) \
- current->personality = PER_LINUX32; \
+ set_thread_flag(TIF_32BIT); \
current->thread.map_base = DEFAULT_MAP_BASE32; \
current->thread.task_size = DEFAULT_TASK_SIZE32 \
@@ -102,25 +102,3 @@
}
#include "../../../fs/binfmt_elf.c"
-
-/* Set up a separate execution domain for ELF32 binaries running
- * on an ELF64 kernel */
-
-static struct exec_domain parisc32_exec_domain = {
- .name = "Linux/ELF32",
- .pers_low = PER_LINUX32,
- .pers_high = PER_LINUX32,
-};
-
-static int __init parisc32_exec_init(void)
-{
- /* steal the identity signal mappings from the default domain */
- parisc32_exec_domain.signal_map = default_exec_domain.signal_map;
- parisc32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;
-
- register_exec_domain(&parisc32_exec_domain);
-
- return 0;
-}
-
-__initcall(parisc32_exec_init);
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index bb83880..ee6653e 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -26,7 +26,6 @@
#include <linux/stddef.h>
#include <linux/compat.h>
#include <linux/elf.h>
-#include <linux/personality.h>
#include <asm/ucontext.h>
#include <asm/rt_sigframe.h>
#include <asm/uaccess.h>
@@ -433,13 +432,13 @@
if (in_syscall) {
regs->gr[31] = haddr;
#ifdef __LP64__
- if (personality(current->personality) == PER_LINUX)
+ if (!test_thread_flag(TIF_32BIT))
sigframe_size |= 1;
#endif
} else {
unsigned long psw = USER_PSW;
#ifdef __LP64__
- if (personality(current->personality) == PER_LINUX)
+ if (!test_thread_flag(TIF_32BIT))
psw |= PSW_W;
#endif
diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h
index 71b4eeea2..fe85790 100644
--- a/include/asm-parisc/compat.h
+++ b/include/asm-parisc/compat.h
@@ -5,7 +5,7 @@
*/
#include <linux/types.h>
#include <linux/sched.h>
-#include <linux/personality.h>
+#include <linux/thread_info.h>
#define COMPAT_USER_HZ 100
@@ -152,7 +152,7 @@
static inline int __is_compat_task(struct task_struct *t)
{
- return personality(t->personality) == PER_LINUX32;
+ return test_ti_thread_flag(t->thread_info, TIF_32BIT);
}
static inline int is_compat_task(void)
diff --git a/include/asm-parisc/processor.h b/include/asm-parisc/processor.h
index 4313618..fd7866d 100644
--- a/include/asm-parisc/processor.h
+++ b/include/asm-parisc/processor.h
@@ -278,7 +278,7 @@
*/
#ifdef __LP64__
-#define USER_WIDE_MODE (personality(current->personality) == PER_LINUX)
+#define USER_WIDE_MODE (!test_thread_flag(TIF_32BIT))
#else
#define USER_WIDE_MODE 0
#endif
