[PATCH] xtensa: remove verify_area macros

verify_area() is still alive on xtensa in 2.6.17-rc3-git13 It would be nice
to finally be rid of that function across the board.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 6 insertions, 10 deletions

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index dbeb3504c3c8..848f173db257 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -34,10 +34,6 @@ config GENERIC_HARDIRQS
         bool
         default y
 
-config RWSEM_GENERIC_SPINLOCK
-       bool
-       default y
-
 source "init/Kconfig"
 
 menu "Processor type and features"
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 5c018c503dfa..89e409e9e0de 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -1102,7 +1102,7 @@ ENTRY(fast_syscall_sysxtensa)
         s32i    a7, a2, PT_AREG7
 
         movi    a7, 4                   # sizeof(unsigned int)
-        verify_area a3, a7, a0, a2, .Leac
+        access_ok a0, a3, a7, a2, .Leac
 
         _beqi   a6, SYSXTENSA_ATOMIC_SET, .Lset
         _beqi   a6, SYSXTENSA_ATOMIC_EXG_ADD, .Lexg
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index e252b61e45a5..beba497e78df 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -104,7 +104,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
 
         if (act) {
                 old_sigset_t mask;
-                if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
+                if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
                     __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
                     __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
                         return -EFAULT;
@@ -116,7 +116,7 @@ sys_sigaction(int sig, const struct old_sigaction *act,
         ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
 
         if (!ret && oact) {
-                if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
+                if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
                     __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
                     __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
                         return -EFAULT;
@@ -236,7 +236,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc)
         err |= __copy_from_user (regs->areg, sc->sc_areg, XCHAL_NUM_AREGS*4);
         err |= __get_user(buf, &sc->sc_cpstate);
         if (buf) {
-                if (verify_area(VERIFY_READ, buf, sizeof(*buf)))
+                if (!access_ok(VERIFY_READ, buf, sizeof(*buf)))
                         goto badframe;
                 err |= restore_cpextra(buf);
         }
@@ -357,7 +357,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
         if (regs->depc > 64)
                 panic ("Double exception sys_sigreturn\n");
 
-        if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+        if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
 
         if (__get_user(set.sig[0], &frame->sc.oldmask)
@@ -394,7 +394,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
                 return 0;
         }
 
-        if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
+        if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
 
         if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))