[PATCH] lightweight robust futexes: arch defaults

[linux-2.6] / include / asm-i386 / bugs.h

diff --git a/include/asm-i386/bugs.h b/include/asm-i386/bugs.h
index ea54540638d211f2bb99fc4693e603a664b48dad..50233e0345fba1e729d00293419d11f422a532b2 100644 (file)
--- a/include/asm-i386/bugs.h
+++ b/include/asm-i386/bugs.h
@@ -8,9 +8,6 @@
  *        <rreilova@ececs.uc.edu>
  *     - Channing Corn (tests & fixes),
  *     - Andrew D. Balsa (code cleanup).
- *
- *  Pentium III FXSR, SSE support
- *     Gareth Hughes <gareth@valinux.com>, May 2000
  */
 
 /*
@@ -76,25 +73,7 @@ static void __init check_fpu(void)
                return;
        }
 
-/* Enable FXSR and company _before_ testing for FP problems. */
-       /*
-        * Verify that the FXSAVE/FXRSTOR data will be 16-byte aligned.
-        */
-       if (offsetof(struct task_struct, thread.i387.fxsave) & 15) {
-               extern void __buggy_fxsr_alignment(void);
-               __buggy_fxsr_alignment();
-       }
-       if (cpu_has_fxsr) {
-               printk(KERN_INFO "Enabling fast FPU save and restore... ");
-               set_in_cr4(X86_CR4_OSFXSR);
-               printk("done.\n");
-       }
-       if (cpu_has_xmm) {
-               printk(KERN_INFO "Enabling unmasked SIMD FPU exception support... ");
-               set_in_cr4(X86_CR4_OSXMMEXCPT);
-               printk("done.\n");
-       }
-
+/* trap_init() enabled FXSR and company _before_ testing for FP problems here. */
        /* Test for the divl bug.. */
        __asm__("fninit\n\t"
                "fldl %1\n\t"