| 261 | } |
| 262 | |
| 263 | static void |
| 264 | init_xsave(void) |
| 265 | { |
| 266 | |
| 267 | if (use_xsave) |
| 268 | return; |
| 269 | if ((cpu_feature2 & CPUID2_XSAVE) == 0) |
| 270 | return; |
| 271 | use_xsave = 1; |
| 272 | TUNABLE_INT_FETCH("hw.use_xsave", &use_xsave); |
| 273 | } |
| 274 | |
| 275 | DEFINE_IFUNC(, void, fpusave, (void *)) |
| 276 | { |