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[Qemu-devel] [RFC 3/6] pseries: Enable HPT resizing for 2.6
From: |
David Gibson |
Subject: |
[Qemu-devel] [RFC 3/6] pseries: Enable HPT resizing for 2.6 |
Date: |
Mon, 21 Mar 2016 15:42:49 +1100 |
We've now implemented a PAPR extensions which allows PAPR guests (i.e.
"pseries" machine type) to resize their hash page table during runtime.
However, that extension is only enabled if explicitly chosen on the
command line. This patch enables it by default for qemu-2.6, but leaves it
disabled (by default) for older machine types.
Signed-off-by: David Gibson <address@hidden>
---
hw/ppc/spapr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 53bd8c4..1d831ac 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2358,7 +2358,7 @@ static void spapr_machine_class_init(ObjectClass *oc,
void *data)
mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id;
smc->dr_lmb_enabled = true;
- smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED;
+ smc->resize_hpt_default = SPAPR_RESIZE_HPT_ENABLED;
fwc->get_dev_path = spapr_get_fw_dev_path;
nc->nmi_monitor_handler = spapr_nmi;
}
@@ -2438,6 +2438,7 @@ static void spapr_machine_2_5_class_options(MachineClass
*mc)
spapr_machine_2_6_class_options(mc);
smc->use_ohci_by_default = true;
+ smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED;
SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_5);
}
--
2.5.0
- [Qemu-devel] [RFC 0/6] PAPR HPT resizing (qemu host side), David Gibson, 2016/03/21
- [Qemu-devel] [RFC 1/6] pseries: Stubs for HPT resizing, David Gibson, 2016/03/21
- [Qemu-devel] [RFC 6/6] pseries: Allow KVM HV implementation of HPT resizing to be used, David Gibson, 2016/03/21
- [Qemu-devel] [RFC 2/6] pseries: Implement HPT resizing, David Gibson, 2016/03/21
- [Qemu-devel] [RFC 4/6] pseries: Use smaller default hash page tables when guest can resize, David Gibson, 2016/03/21
- [Qemu-devel] [RFC 3/6] pseries: Enable HPT resizing for 2.6,
David Gibson <=
- [Qemu-devel] [RFC 5/6] pseries: Allow HPT resizing on PR KVM, David Gibson, 2016/03/21