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Lines 362-367
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| 362 |
is_bound = cpu_sched_is_bound(td); |
362 |
is_bound = cpu_sched_is_bound(td); |
| 363 |
set_cpu(cpu, td); |
363 |
set_cpu(cpu, td); |
| 364 |
critical_enter(); |
364 |
critical_enter(); |
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365 |
wrmsr_safe(MSR_BIOS_SIGN, 0); |
| 366 |
do_cpuid(1, tmp); |
| 365 |
rdmsr_safe(MSR_BIOS_SIGN, &rev0); /* Get current microcode revision. */ |
367 |
rdmsr_safe(MSR_BIOS_SIGN, &rev0); /* Get current microcode revision. */ |
| 366 |
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368 |
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| 367 |
/* |
369 |
/* |
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Lines 373-381
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| 373 |
/* |
375 |
/* |
| 374 |
* Serialize instruction flow. |
376 |
* Serialize instruction flow. |
| 375 |
*/ |
377 |
*/ |
| 376 |
do_cpuid(0, tmp); |
378 |
do_cpuid(1, tmp); |
| 377 |
critical_exit(); |
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| 378 |
rdmsr_safe(MSR_BIOS_SIGN, &rev1); /* Get new microcode revision. */ |
379 |
rdmsr_safe(MSR_BIOS_SIGN, &rev1); /* Get new microcode revision. */ |
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380 |
critical_exit(); |
| 379 |
restore_cpu(oldcpu, is_bound, td); |
381 |
restore_cpu(oldcpu, is_bound, td); |
| 380 |
if (rev1 > rev0) |
382 |
if (rev1 > rev0) |
| 381 |
ret = 0; |
383 |
ret = 0; |