diff options
| -rw-r--r-- | sys/amd64/acpica/acpi_switch.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/amd64/acpica/acpi_switch.S b/sys/amd64/acpica/acpi_switch.S index 2274c85..892dd11 100644 --- a/sys/amd64/acpica/acpi_switch.S +++ b/sys/amd64/acpica/acpi_switch.S @@ -67,9 +67,7 @@ ENTRY(acpi_restorecpu) /* Force kernel segment registers. */ movl $KDSEL, %eax movw %ax, %ds - movl $KDSEL, %eax movw %ax, %es - movl $KDSEL, %eax movw %ax, %ss movl $KUF32SEL, %eax movw %ax, %fs @@ -132,7 +130,7 @@ ENTRY(acpi_restorecpu) #define SDT_SYSTSS 9 #define SDT_SYSBSY 11 - /* Reset task busy bit and reload TR. */ + /* Clear "task busy" bit and reload TR. */ movq PCPU(TSS), %rax andb $(~SDT_SYSBSY | SDT_SYSTSS), 5(%rax) movw WAKEUP_XPCB(TR), %ax |
