[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>

2 files changed, 3 insertions, 26 deletions

diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c
index d1833f164bbe..1e64e7b88110 100644
--- a/arch/parisc/kernel/binfmt_elf32.c
+++ b/arch/parisc/kernel/binfmt_elf32.c
@@ -87,7 +87,7 @@ struct elf_prpsinfo32
  */
 
 #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 @@ cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
 }
 
 #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 bb83880c5ee3..ee6653edeb7a 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 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         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