x86/tlb: Disable interrupts when changing CR4

[linux.git] / arch / x86 / kernel / process.c

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 97fb3e5737f5d0b5d50f8d9232726923c2692e65..bb988a24db927d758f9120d45f90d1c160628790 100644 (file)
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -299,7 +299,7 @@ void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
        }
 
        if ((tifp ^ tifn) & _TIF_NOTSC)
-               cr4_toggle_bits(X86_CR4_TSD);
+               cr4_toggle_bits_irqsoff(X86_CR4_TSD);
 
        if ((tifp ^ tifn) & _TIF_NOCPUID)
                set_cpuid_faulting(!!(tifn & _TIF_NOCPUID));