[PATCH] [3/7] Don't disable RDTSC in userland for 32bit notsc

[Andi Kleen]

Modern 32bit userland doesn't even boot when the TSC is disabled
because ld.so tends to contain RDTSCs.  So make notsc only effective for the 
kernel, similar to 64bit.
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---
 arch/x86/kernel/cpu/common.c |    1 -
 1 file changed, 1 deletion(-)

Index: linux/arch/x86/kernel/cpu/common.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/common.c
+++ linux/arch/x86/kernel/cpu/common.c
@@ -654,7 +654,6 @@ void __cpuinit cpu_init(void)
 		printk(KERN_NOTICE "Disabling TSC...\n");
 		/**** FIX-HPA: DOES THIS REALLY BELONG HERE? ****/
 		clear_bit(X86_FEATURE_TSC, boot_cpu_data.x86_capability);
-		set_in_cr4(X86_CR4_TSD);
 	}
 
 	load_idt(&idt_descr);
--
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