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KVM: s390: streamline memslot handling

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This patch relocates the variables kvm-s390 uses to track guest mem addr/size.
As discussed dropping the variables at struct kvm_arch level allows to use the
common vcpu->request based mechanism to reload guest memory if e.g. changes
via set_memory_region.

The kick mechanism introduced in this series is used to ensure running vcpus
leave guest state to catch the update.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Christian Ehrhardt
2009-05-25 13:40:51 +02:00
committed by Avi Kivity
parent b1d16c495d
commit 628eb9b8a8
6 changed files with 62 additions and 54 deletions
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4
arch/s390/include/asm/kvm_host.h
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@ -1,7 +1,7 @@
/*
* asm-s390/kvm_host.h - definition for kernel virtual machines on s390
*
* Copyright IBM Corp. 2008
* Copyright IBM Corp. 2008,2009
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (version 2 only)
@ -228,8 +228,6 @@ struct kvm_vm_stat {
};
struct kvm_arch{
unsigned long guest_origin;
unsigned long guest_memsize;
struct sca_block *sca;
debug_info_t *dbf;
struct kvm_s390_float_interrupt float_int;