[ANNOUNCE] kvm-27 release

[ANNOUNCE] kvm-27 release

[Avi Kivity]

A bit of friendly mmu hacking.

Changes since kvm-26:
- use slab cache for mmu shadow pages
- make shadow pte updates atomic (for guest smp)
- general mmu cleanups

Notes:
   If you use the modules from kvm-27, you can use any version of Linux
from 2.6.9 upwards.
   If you use the modules from Linux 2.6.20, you need to use kvm-12.
   If you use the modules from Linux 2.6.21, you need to use kvm-17.

   API/ABI stability is planned for Linux 2.6.22.

http://kvm.qumranet.com

-- 
error compiling committee.c: too many arguments to function


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kvm >= 25: vmx.c no longer compiles on F7

[Carsten Emde]

[-- Attachment #1: Type: text/plain, Size: 312 bytes --]

Avi,

 From kvm-25 onwards, vmx.c no longer compiles on Fedora 7:

{standard input}: Assembler messages:
{standard input}:4361: Error: no instruction mnemonic suffix given and 
no register operands; can't size instruction

After applying the attached patch, everything works as usual (kvm-25 to 
kvm-27)

	--cbe

[-- Attachment #2: kvm-movl.patch --]
[-- Type: text/plain, Size: 583 bytes --]

diff -ura kvm-27/kernel/vmx.c kvm-27-movl/kernel/vmx.c
--- kvm-27/kernel/vmx.c 2007-06-03 10:31:15.000000000 +0200
+++ kvm-27-movl/kernel/vmx.c    2007-06-03 14:08:02.000000000 +0200
@@ -1345,7 +1345,7 @@
        get_idt(&dt);
        vmcs_writel(HOST_IDTR_BASE, dt.base);   /* 22.2.4 */
 
-       asm ("mov $.Lkvm_vmx_return, %0" : "=g"(kvm_vmx_return));
+       asm ("movl $.Lkvm_vmx_return, %0" : "=g"(kvm_vmx_return));
        vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */
        vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0);
        vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0);


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Re: kvm >= 25: vmx.c no longer compiles on F7

[Avi Kivity]

Carsten Emde wrote:
> Avi,
>
> From kvm-25 onwards, vmx.c no longer compiles on Fedora 7:
>
> {standard input}: Assembler messages:
> {standard input}:4361: Error: no instruction mnemonic suffix given and 
> no register operands; can't size instruction
>
> After applying the attached patch, everything works as usual (kvm-25 
> to kvm-27)
>

Applied, thanks.

Is this on i386?  It's fairly suspicious if it happens on x86_64.

Also:
 - your patch was corrupted (tabs were replaced by spaces). please don't 
cut'n'paste from a terminal.
 - supply sign-off-lines to kernel patches.


-- 
error compiling committee.c: too many arguments to function


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Re: kvm >= 25: vmx.c no longer compiles on F7

[Carsten Emde]

Avi Kivity wrote:
>> From kvm-25 onwards, vmx.c no longer compiles on Fedora 7:
>> {standard input}: Assembler messages:
>> {standard input}:4361: Error: no instruction mnemonic suffix given and 
>> no register operands; can't size instruction
>> After applying the attached patch, everything works as usual (kvm-25 
>> to kvm-27)
> [..]
> Is this on i386?  It's fairly suspicious if it happens on x86_64.
Yes, i386.

> - your patch was corrupted (tabs were replaced by spaces). please don't 
> cut'n'paste from a terminal.
No, I didn't. Will check and improve.

> - supply sign-off-lines to kernel patches.
Signed-off-by: Carsten Emde <cbe-Q945KHDl0DbYtjvyW6yDsg@public.gmane.org>

	--cbe

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[ANNOUNCE] kvm-31 release

[Avi Kivity]

kvm-30 broke the external module for older kernels, so here's the fix.

Changes from kvm-30:
- a few cleanups that somehow evaded kvm-30 (Jeff Dike, Rusty Russell)
- allow the external module to compile on older kernels.

Notes:
    If you use the modules from kvm-31, you can use any version of Linux
from 2.6.9 upwards.
    If you use the modules from Linux 2.6.20, you need to use kvm-12.
    If you use the modules from Linux 2.6.21, you need to use kvm-17.
    Modules from Linux 2.6.22 and up will work with any kvm version from
kvm-22.  Some features may only be available in newer releases.

http://kvm.qumranet.com



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Re: [ANNOUNCE] kvm-31 release

[Simon Gao]

Hi,

Just compiled kvm-31 and found some strange things.

My system uses kernel-2.6.21-gentoo-r4 i386. But after kvm-31 is
installed, I found /usr/local/kvm-31/bin/qemu-system-x86_64 instead of 
/usr/local/kvm-31/bin/qemu for 32 bit system.

Since there is no option for choosing what CPU arch to use, I guess the
config script has some problem detecting correct cpu arch.

Simon

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