- 22 5月, 2011 38 次提交
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由 Avi Kivity 提交于
Instead of separate accessors for the segment selector and cached descriptor, use one accessor for both. This simplifies the code somewhat. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Avoids a VMREAD. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Joe Perches 提交于
dump_vmcb isn't used outside this module, make it static. Shrink text and object by ~1% by standardizing formats. $ size arch/x86/kvm/svm.o* text data bss dec hex filename 52910 580 10072 63562 f84a arch/x86/kvm/svm.o.new 53563 580 10072 64215 fad7 arch/x86/kvm/svm.o.old Signed-off-by: NJoe Perches <joe@perches.com> Acked-by: NJoerg Roedel <joerg.roedel@amd.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
Fix regression introduced by commit e30d2a170506830d5eef5e9d7990c5aedf1b0a51 KVM: MMU: Optimize guest page table walk On x86_32, get_user() does not support 64-bit values and we fail to build KVM at the point of 64-bit paging. This patch fixes this by using get_user() twice for that condition. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Reported-by: NJan Kiszka <jan.kiszka@web.de> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Jeff Mahoney 提交于
This patch fixes some sparse warning about "dubious one-bit signed bitfield." Signed-off-by: NJeff Mahoney <jeffm@suse.com> Originally-by: NJan Blunck <jblunck@suse.de> Signed-off-by: NJan Blunck <jblunck@suse.de> Acked-by: NXiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 BrillyWu@viatech.com.cn 提交于
The CPUIDs for Centaur are added, and then the features of PadLock hardware engine on VIA CPU, such as "ace", "ace_en" and so on, can be passed into the kvm guest. Signed-off-by: NBrilly Wu <brillywu@viatech.com.cn> Signed-off-by: NKary Jin <karyjin@viatech.com.cn> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
mmio_index should be taken into account when copying data from userspace. Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Gleb Natapov 提交于
Remove unused variable mmio_fault_cr2. Signed-off-by: NGleb Natapov <gleb@redhat.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Move all groups into a single field and handle them in a single place. This saves bits when we add more group types (3 bits -> 7 groups types). Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
walk_addr_generic() is a hot path and is also hard for the cpu to predict - some of the parameters (fetch_fault in particular) vary wildly from invocation to invocation. Add unlikely() annotations where appropriate; all walk failures are considered unlikely, as are cases where we have to mark the accessed or dirty bit, as they are slow paths both in kvm and on real processors. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
For this, em_pushf/popf() are introduced. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
For this, emulate_pusha/popa() are converted to em_pusha/popa(). Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
In addition, the RET emulation is changed to call em_pop() to remove the pop_instruction label. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
The following instructions are changed to use opcode::execute. Group 1 (80-83) ADD (00-05), OR (08-0D), ADC (10-15), SBB (18-1D), AND (20-25), SUB (28-2D), XOR (30-35), CMP (38-3D) CMPS (A6-A7), SCAS (AE-AF) The last two do the same as CMP in the emulator, so em_cmp() is used. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
This patch optimizes the guest page table walk by using get_user() instead of copy_from_user(). With this patch applied, paging64_walk_addr_generic() has become about 0.5us to 1.0us faster on my Phenom II machine with NPT on. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
By reserving 0 as an invalid x86_intercept_stage, we no longer need to store a valid flag in x86_intercept_map. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
While it isn't defined, no need to force a #UD. If it becomes defined in the future this can cause wierd problems for the guest. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Randy Dunlap 提交于
arch/x86/kvm/emulate.c:2598: warning: integer constant is too large for 'long' type Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Clemens Noss 提交于
Commit 0b56652e33c72092956c651ab6ceb9f0ad081153 fails to build: CC [M] arch/x86/kvm/emulate.o arch/x86/kvm/emulate.c: In function 'x86_emulate_insn': arch/x86/kvm/emulate.c:4095:25: error: macro "wbinvd" passed 1 arguments, but takes just 0 arch/x86/kvm/emulate.c:4095:3: warning: statement with no effect make[2]: *** [arch/x86/kvm/emulate.o] Error 1 make[1]: *** [arch/x86/kvm] Error 2 make: *** [arch/x86] Error 2 Work around this for now. Signed-off-by: NClemens Noss <cnoss@gmx.de> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Roedel, Joerg 提交于
This patch makes the cmpxchg_gpte() function aware of the difference between l1-gfns and l2-gfns when nested virtualization is in use. This fixes a potential data-corruption problem in the l1-guest and makes the code work correct (at least as correct as the hardware which is emulated in this code) again. Cc: stable@kernel.org Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
No longer used. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
We can use container_of() instead. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Instead of calling kvm_emulate_wbinvd() directly. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Artificial, but needed to remove direct calls to KVM. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Instead of reaching into vcpu internals. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Removing direct calls to KVM. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Avoid using ctxt->vcpu; we can do everything with ->get_cr() and ->set_cr(). A side effect is that we no longer activate the fpu on emulated CLTS; but that should be very rare. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Avoid use of ctxt->vcpu. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Requires ctxt->vcpu, which is to be abolished. Replace with open calls to get_msr(). Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Replacing direct calls to realmode_lgdt(), realmode_lidt(). Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Unneeded for register access. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Making the emulator caller agnostic. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Making the emulator caller agnostic. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Making the emulator caller agnostic. [Takuya Yoshikawa: fix typo leading to LDT failures] Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 11 5月, 2011 2 次提交
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由 Avi Kivity 提交于
Making the emulator caller agnostic. Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Avi Kivity 提交于
Making the emulator caller agnostic. Signed-off-by: NAvi Kivity <avi@redhat.com>
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