diff options
Diffstat (limited to 'arch/x86/lguest/boot.c')
| -rw-r--r-- | arch/x86/lguest/boot.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index d74afcdbc580..4ca0d78adcf0 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -518,17 +518,6 @@ static unsigned long lguest_read_cr0(void) } /* - * Intel provided a special instruction to clear the TS bit for people too cool - * to use write_cr0() to do it. This "clts" instruction is faster, because all - * the vowels have been optimized out. - */ -static void lguest_clts(void) -{ - lazy_hcall1(LHCALL_TS, 0); - current_cr0 &= ~X86_CR0_TS; -} - -/* * cr2 is the virtual address of the last page fault, which the Guest only ever * reads. The Host kindly writes this into our "struct lguest_data", so we * just read it out of there. @@ -1429,7 +1418,6 @@ __init void lguest_init(void) pv_cpu_ops.load_tls = lguest_load_tls; pv_cpu_ops.get_debugreg = lguest_get_debugreg; pv_cpu_ops.set_debugreg = lguest_set_debugreg; - pv_cpu_ops.clts = lguest_clts; pv_cpu_ops.read_cr0 = lguest_read_cr0; pv_cpu_ops.write_cr0 = lguest_write_cr0; pv_cpu_ops.read_cr4 = lguest_read_cr4; |