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| author | jkim <jkim@FreeBSD.org> | 2009-04-02 01:46:57 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2009-04-02 01:46:57 +0000 |
| commit | 07b56fda3b182476e1206f2b4a32301faaf923ec (patch) | |
| tree | e781311914d5819a4098093e0b5e63b2702f5142 /sys/amd64/acpica | |
| parent | 22270c1fb939b1c07fdff1f7e8f1f33d25e86df4 (diff) | |
| download | FreeBSD-src-07b56fda3b182476e1206f2b4a32301faaf923ec.zip FreeBSD-src-07b56fda3b182476e1206f2b4a32301faaf923ec.tar.gz | |
Reduce code duplcations from r190620. While I am here, tweak a comment.
Diffstat (limited to 'sys/amd64/acpica')
| -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 |
