23 void mtrr_open(struct mtrr_state *state)  in mtrr_open()  argument
28 	state->enable_cache = dcache_status();  in mtrr_open()
30 	if (state->enable_cache)  in mtrr_open()
32 	state->deftype = native_read_msr(MTRR_DEF_TYPE_MSR);  in mtrr_open()
33 	wrmsrl(MTRR_DEF_TYPE_MSR, state->deftype & ~MTRR_DEF_TYPE_EN);  in mtrr_open()
37 void mtrr_close(struct mtrr_state *state)  in mtrr_close()  argument
42 	wrmsrl(MTRR_DEF_TYPE_MSR, state->deftype | MTRR_DEF_TYPE_EN);  in mtrr_close()
43 	if (state->enable_cache)  in mtrr_close()
50 	struct mtrr_state state;  in mtrr_commit()  local
57 	mtrr_open(&state);  in mtrr_commit()
68 	mtrr_close(&state);  in mtrr_commit()