Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86

* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits)
  x86: delete vsyscall files during make clean
  kbuild: fix typo SRCARCH in find_sources
  x86: fix kernel rebuild due to vsyscall fallout
  .gitignore update for x86 arch
  x86: unify include/asm/debugreg_32/64.h
  x86: unify include/asm/unwind_32/64.h
  x86: unify include/asm/types_32/64.h
  x86: unify include/asm/tlb_32/64.h
  x86: unify include/asm/siginfo_32/64.h
  x86: unify include/asm/bug_32/64.h
  x86: unify include/asm/mman_32/64.h
  x86: unify include/asm/agp_32/64.h
  x86: unify include/asm/kdebug_32/64.h
  x86: unify include/asm/ioctls_32/64.h
  x86: unify include/asm/floppy_32/64.h
  x86: apply missing DMA/OOM prevention to floppy_32.h
  x86: unify include/asm/cache_32/64.h
  x86: unify include/asm/cache_32/64.h
  x86: unify include/asm/dmi_32/64.h
  x86: unify include/asm/delay_32/64.h
  ...

1 files changed, 22 insertions, 40 deletions

diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c
index 7767962f25d3..57d043fa893e 100644
--- a/arch/x86/lib/msr-on-cpu.c
+++ b/arch/x86/lib/msr-on-cpu.c
@@ -26,27 +26,18 @@ static void __rdmsr_safe_on_cpu(void *info)
 static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe)
 {
         int err = 0;
-        preempt_disable();
-        if (smp_processor_id() == cpu)
-                if (safe)
-                        err = rdmsr_safe(msr_no, l, h);
-                else
-                        rdmsr(msr_no, *l, *h);
-        else {
-                struct msr_info rv;
-
-                rv.msr_no = msr_no;
-                if (safe) {
-                        smp_call_function_single(cpu, __rdmsr_safe_on_cpu,
-                                                 &rv, 0, 1);
-                        err = rv.err;
-                } else {
-                        smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1);
-                }
-                *l = rv.l;
-                *h = rv.h;
+        struct msr_info rv;
+
+        rv.msr_no = msr_no;
+        if (safe) {
+                smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 0, 1);
+                err = rv.err;
+        } else {
+                smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 0, 1);
         }
-        preempt_enable();
+        *l = rv.l;
+        *h = rv.h;
+
         return err;
 }
 
@@ -67,27 +58,18 @@ static void __wrmsr_safe_on_cpu(void *info)
 static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe)
 {
         int err = 0;
-        preempt_disable();
-        if (smp_processor_id() == cpu)
-                if (safe)
-                        err = wrmsr_safe(msr_no, l, h);
-                else
-                        wrmsr(msr_no, l, h);
-        else {
-                struct msr_info rv;
-
-                rv.msr_no = msr_no;
-                rv.l = l;
-                rv.h = h;
-                if (safe) {
-                        smp_call_function_single(cpu, __wrmsr_safe_on_cpu,
-                                                 &rv, 0, 1);
-                        err = rv.err;
-                } else {
-                        smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1);
-                }
+        struct msr_info rv;
+
+        rv.msr_no = msr_no;
+        rv.l = l;
+        rv.h = h;
+        if (safe) {
+                smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 0, 1);
+                err = rv.err;
+        } else {
+                smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 0, 1);
         }
-        preempt_enable();
+
         return err;
 }