[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH RFC 5/7] piix4: add events for cpu hotplug
From: |
liguang |
Subject: |
[Qemu-devel] [PATCH RFC 5/7] piix4: add events for cpu hotplug |
Date: |
Wed, 29 May 2013 09:47:40 +0800 |
Signed-off-by: liguang <address@hidden>
---
hw/acpi/piix4.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index fc42333..2037c4e 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -657,6 +657,14 @@ static void piix4_cpu_hotplug_req(PIIX4PMState *s,
CPUState *cpu,
g->sts[cpu_id / 8] &= ~(1 << (cpu_id % 8));
}
pm_update_sci(s);
+
+ if (qemu_ec_enabled()) {
+ uint8_t cpu_sts = ec_acpi_space_peek(EC_ACPI_SPACE_CPUS);
+
+ ec_acpi_event(EVENT_CPU_ONLINE);
+ ec_acpi_space_poke(EC_ACPI_SPACE_CPUS, 1 << cpu_id | cpu_sts);
+ ec_acpi_space_poke(EC_ACPI_SPACE_CPUN, cpu_id);
+ }
}
static void piix4_cpu_added_req(Notifier *n, void *opaque)
--
1.7.2.5
- [Qemu-devel] [PATCH RFC 0/7] pass cpu online/offline event bewteen QEMU and linux kernel by ACPI Embedded Controller, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 7/7] pc: add EC qdev init for piix & q35, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 2/7] ich9: add notifer for ec to generate sci, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 5/7] piix4: add events for cpu hotplug,
liguang <=
- [Qemu-devel] [PATCH RFC 6/7] qmp: add 'cpu-del' command, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 3/7] ec: add operations for _Qxx events, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 1/7] acpi: add ACPI Embedded Controller support, liguang, 2013/05/28
- [Qemu-devel] [PATCH RFC 4/7] piix4: add notifer for ec to generate sci, liguang, 2013/05/28
- Re: [Qemu-devel] [PATCH RFC 0/7] pass cpu online/offline event bewteen QEMU and linux kernel by ACPI Embedded Controller, Igor Mammedov, 2013/05/30