- 30 1月, 2008 40 次提交
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由 Avi Kivity 提交于
Currently rep processing is handled somewhere in the middle of instruction processing. Move it to a sensible place. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Jerone Young 提交于
This patch fixes a small issue where sturctures: kvm_pic_state kvm_ioapic_state are defined inside x86 specific code and may or may not be defined in anyway for other architectures. The problem caused is one cannot compile userspace apps (ex. libkvm) for other archs since a size cannot be determined for these structures. Signed-off-by: NJerone Young <jyoung5@us.ibm.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Guillaume Thouvenin 提交于
Add emulation for the cmps instruction. This lets OpenBSD boot on kvm. Signed-off-by: NGuillaume Thouvenin <guillaume.thouvenin@ext.bull.net> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Sheng Yang 提交于
Previous patches have removed the dependency on cr2; we can now stop passing it to the emulator and rename uses to 'memop'. Signed-off-by: NSheng Yang <sheng.yang@intel.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Izik Eidus 提交于
Mark guest pages as accessed when removed from the shadow page tables for better lru processing. Signed-off-by: NIzik Eidus <izike@qumranet.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
mmio was already handled in kvm_arch_vcpu_ioctl_run(), so no need to check again. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Current implementation is to toggle, which is incorrect. Patch ported from corresponding Xen code. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Guillaume Thouvenin 提交于
cmps and scas instructions accept repeat prefixes F3 and F2. So in order to emulate those prefixed instructions we need to be able to know if prefixes are REP/REPE/REPZ or REPNE/REPNZ. Currently kvm doesn't make this distinction. This patch introduces this distinction. Signed-off-by: NGuillaume Thouvenin <guillaume.thouvenin@ext.bull.net> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Zhang Xiantao 提交于
Non-x86 archs don't need this mechanism. Move it to arch, and keep its interface in common. Signed-off-by: NZhang Xiantao <xiantao.zhang@intel.com> Acked-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Sheng Yang 提交于
The state of SECONDARY_VM_EXEC_CONTROL shouldn't depend on in-kernel IRQ chip, this patch fix this. Signed-off-by: NSheng Yang <sheng.yang@intel.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Dan Kenigsberg 提交于
The current cpuid management suffers from several problems, which inhibit passing through the host feature set to the guest: - No way to tell which features the host supports While some features can be supported with no changes to kvm, others need explicit support. That means kvm needs to vet the feature set before it is passed to the guest. - No support for indexed or stateful cpuid entries Some cpuid entries depend on ecx as well as on eax, or on internal state in the processor (running cpuid multiple times with the same input returns different output). The current cpuid machinery only supports keying on eax. - No support for save/restore/migrate The internal state above needs to be exposed to userspace so it can be saved or migrated. This patch adds extended cpuid support by means of three new ioctls: - KVM_GET_SUPPORTED_CPUID: get all cpuid entries the host (and kvm) supports - KVM_SET_CPUID2: sets the vcpu's cpuid table - KVM_GET_CPUID2: gets the vcpu's cpuid table, including hidden state [avi: fix original KVM_SET_CPUID not removing nx on non-nx hosts as it did before] Signed-off-by: NDan Kenigsberg <danken@qumranet.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
We don't want the meaning of guest userspace changing under our feet. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Rename the awkwardly named variable. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
These are traditionally named 'page', but even more traditionally, that name is reserved for variables that point to a 'struct page'. Rename them to 'sp' (for "shadow page"). Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Converting last uses along the way. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
No longer used. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Instead of passing an hpa, pass a regular struct page. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Converting a frame number to an address is tricky since the data type changes size. Introduce a function to do it. This fixes an actual bug when accessing guest ptes. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Since set_pte() is now the only caller of set_pte_common(), merge the two functions. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
It is now identical to set_pte(). Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Similar information is available in the gfn parameter, so use that. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Instead of repretitively open-coding this. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Izik Eidus 提交于
Signed-off-by: NIzik Eidus <izike@qumranet.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
If the guest requests just a tlb flush, don't take the vm lock and drop the mmu context pointlessly. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
If all we're doing is increasing permissions on a pte (typical for demand paging), then there's not need to flush remote tlbs. Worst case they'll get a spurious page fault. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
I spent an hour worrying why I see so many guest page faults on FC6 i386. Turns out bypass wasn't implemented for nonpae. Implement it so it doesn't happen again. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Split kvm_arch_vcpu_create() into kvm_arch_vcpu_create() and kvm_arch_vcpu_setup(), enabling preemption notification between the two. This mean that we can now do vcpu_load() within kvm_arch_vcpu_setup(). Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Zhang Xiantao 提交于
Moving !user_alloc case to kvm_arch to avoid unnecessary code logic in non-x86 platform. Signed-off-by: NZhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Zhang Xiantao 提交于
Instead of incrementally changing the mmu cache size for every memory slot operation, recalculate it from scratch. This is simpler and safer. Signed-off-by: NZhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Instead of fetching one byte at a time, prefetch 15 bytes (or until the next page boundary) to avoid guest page table walks. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Theoretically used to acccess memory known to be ordinary RAM, it was never implemented. It is questionable whether it is possible to implement it correctly. Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Izik Eidus 提交于
Improve dirty bit setting for pages that kvm release, until now every page that we released we marked dirty, from now only pages that have potential to get dirty we mark dirty. Signed-off-by: NIzik Eidus <izike@qumranet.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Izik Eidus 提交于
When we map a page, we check whether some other vcpu mapped it for us and if so, bail out. But we should decrease the refcount on the page as we do so. Signed-off-by: NIzik Eidus <izike@qumranet.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Jerone Young 提交于
This patch moves structures: kvm_cpuid_entry kvm_cpuid from include/linux/kvm.h to include/asm-x86/kvm.h Signed-off-by: NJerone Young <jyoung5@us.ibm.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Jerone Young 提交于
Move structures: kvm_sregs kvm_msr_entry kvm_msrs kvm_msr_list from include/linux/kvm.h to include/asm-x86/kvm.h Signed-off-by: NAvi Kivity <avi@qumranet.com>
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由 Jerone Young 提交于
This patch moves structures: kvm_segment kvm_dtable from include/linux/kvm.h to include/asm-x86/kvm.h Signed-off-by: NJerone Young <jyoung5@us.ibm.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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