On Thu, 8 May 2008 00:44:06 +0200
Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> On Wed, May 07, 2008 at 03:31:03PM -0700, Andrew Morton wrote:
> > Nope. We only need to take the global lock before taking *two or more* of
> > the per-vma locks.
> >
> > I really
On Thu, 8 May 2008 00:22:05 +0200
Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> > No, the simple solution is to just make up a whole new upper-level lock,
> > and get that lock *first*. You can then take all the multiple locks at a
> > lower level in any order you damn well please.
>
> Unfortu
On Wed, 07 May 2008 16:35:51 +0200
Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> # HG changeset patch
> # User Andrea Arcangeli <[EMAIL PROTECTED]>
> # Date 1210096013 -7200
> # Node ID e20917dcc8284b6a07cfcced13dda4cbca850a9c
> # Parent 5026689a3bc323a26d33ad882c34c4c9c9a3ecd8
> mmu-notifier-cor
On Wed, 07 May 2008 16:35:51 +0200
Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> # HG changeset patch
> # User Andrea Arcangeli <[EMAIL PROTECTED]>
> # Date 1210096013 -7200
> # Node ID e20917dcc8284b6a07cfcced13dda4cbca850a9c
> # Parent 5026689a3bc323a26d33ad882c34c4c9c9a3ecd8
> mmu-notifier-cor
fail on all
architectures without asm/kvm.h. Therefore, this patch also provides
asm/kvm.h on all architectures.
Signed-off-by: Christian Borntraeger <[EMAIL PROTECTED]>
Acked-by: Avi Kivity <[EMAIL PROTECTED]>
Cc: Sam Ravnborg <[EMAIL PROTECTED]
Cc: David Woodhouse <[EMAIL PROT
On Sat, 22 Mar 2008 18:02:39 +0100
Carsten Otte <[EMAIL PROTECTED]> wrote:
> From: Heiko Carstens <[EMAIL PROTECTED]>
> From: Christian Borntraeger <[EMAIL PROTECTED]>
>
> This patch changes the s390 memory management defintions to use the pgste
> field
> for dirty and reference bit tracking of
On Sat, 22 Mar 2008 18:02:37 +0100
Carsten Otte <[EMAIL PROTECTED]> wrote:
> From: Martin Schwidefsky <[EMAIL PROTECTED]>
>
> The SIE instruction on s390 uses the 2nd half of the page table page to
> virtualize the storage keys of a guest. This patch offers the s390_enable_sie
> function, which r
On Fri, 14 Mar 2008 18:48:15 -0700 (PDT) [EMAIL PROTECTED] wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10246
>
>Summary: "in" after successful ioperm() results in SEGV after kvm
> use
>Product: Memory Management
>Version: 2.5
>
On Mon, 10 Mar 2008 14:11:04 +0100 Christian Borntraeger <[EMAIL PROTECTED]>
wrote:
> [PATCH v2] kvm: provide kvm.h for all architecture: fixes headers_install
>
> Currently include/linux/kvm.h is not considered by make headers_install,
> because Kbuild cannot handle " unifdef-$(CONFIG_FOO) +=
On Fri, 29 Feb 2008 01:40:01 +0100 Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> > > +#define mmu_notifier(function, mm, args...)
> > > \
> > > + do {\
> > > + struct mmu_notifier *__mn;
On Sat, 16 Feb 2008 11:48:27 +0100 Andrea Arcangeli <[EMAIL PROTECTED]> wrote:
> +void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn,
> +struct mm_struct *mm,
> +unsigned long start, unsigned long
> en
On Sat, 16 Feb 2008 10:45:50 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote:
> > How important is this feature to KVM?
> >
>
> Very. kvm pins pages that are referenced by the guest;
hm. Why does it do that?
> a 64-bit guest
> will easi
On Thu, 14 Feb 2008 22:49:04 -0800 Christoph Lameter <[EMAIL PROTECTED]> wrote:
> These special additional callbacks are required because XPmem (and likely
> other mechanisms) do use their own rmap (multiple processes on a series
> of remote Linux instances may be accessing the memory of a process
On Thu, 14 Feb 2008 22:49:02 -0800 Christoph Lameter <[EMAIL PROTECTED]> wrote:
> Two callbacks to remove individual pages as done in rmap code
>
> invalidate_page()
>
> Called from the inner loop of rmap walks to invalidate pages.
>
> age_page()
>
> Called for the determination of
On Thu, 14 Feb 2008 22:49:00 -0800 Christoph Lameter <[EMAIL PROTECTED]> wrote:
> MMU notifiers are used for hardware and software that establishes
> external references to pages managed by the Linux kernel. These are
> page table entriews or tlb entries or something else that allows
> hardware (s
On Thu, 14 Feb 2008 22:49:01 -0800 Christoph Lameter <[EMAIL PROTECTED]> wrote:
> The invalidation of address ranges in a mm_struct needs to be
> performed when pages are removed or permissions etc change.
hm. Do they? Why? If I'm in the process of zero-copy writing a hunk of
memory out to har
On Fri, 8 Feb 2008 16:05:00 -0800 (PST) Christoph Lameter <[EMAIL PROTECTED]>
wrote:
> On Fri, 8 Feb 2008, Andrew Morton wrote:
>
> > You took it correctly, and I didn't understand the answer ;)
>
> We have done several rounds of discussion on linux-kernel about th
On Fri, 8 Feb 2008 17:43:02 -0600 Robin Holt <[EMAIL PROTECTED]> wrote:
> On Fri, Feb 08, 2008 at 03:41:24PM -0800, Christoph Lameter wrote:
> > On Fri, 8 Feb 2008, Robin Holt wrote:
> >
> > > > > What about ib_umem_get()?
> >
> > Correct.
> >
> > You missed the turn of the conversation to how
On Fri, 08 Feb 2008 14:06:16 -0800
Christoph Lameter <[EMAIL PROTECTED]> wrote:
> This is a patchset implementing MMU notifier callbacks based on Andrea's
> earlier work. These are needed if Linux pages are referenced from something
> else than tracked by the rmaps of the kernel (an external MMU).
> On Fri, 18 Jan 2008 22:56:32 +0530 Balbir Singh <[EMAIL PROTECTED]> wrote:
> * Andrew Morton <[EMAIL PROTECTED]> [2008-01-17 02:35:14]:
>
> > - kvm probably doesn't work properly because I couldn't be bothered fixing
> > the conflicts between git-k
On Sun, 23 Dec 2007 15:15:25 -0500 Marcelo Tosatti <[EMAIL PROTECTED]> wrote:
> Are you guys OK with this ?
>
>
> Modular KVM needs walk_page_range(), and also vm_normal_page() to be
> used on pagewalk callback.
I am.
-
T
On Sun, 23 Dec 2007 12:35:30 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote:
> > On Sun, 23 Dec 2007 10:59:22 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> >
> >
> >> Avi Kivity wrote:
> >>
> >>> Avi Kivity
On Sun, 23 Dec 2007 10:59:22 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Avi Kivity wrote:
> > Avi Kivity wrote:
> >
> >> Exactly. But it is better to be explicit about it and pass the page
> >> directly like you did before. I hate to make you go back-and-fourth,
> >> but I did not understa
On Wed, 24 Oct 2007 10:51:25 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Rather than #ifdef users of smp_call_function_mask(), define it as an
> empty macro to avoid build errors. The function explicitly prohibits
> callers from specifying the current cpu, so nothing needs to be done.
>
> This
On Wed, 26 Sep 2007 11:00:09 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Mariusz Kozlowski wrote:
> > Hello,
> >
> > Similar (the same?) as in 2.6.23-rc6-mm1?
> >
> > http://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg208812.html
> >
> > CC [M] drivers/kvm/ioapic.o
> > dri
On Thu, 09 Aug 2007 01:48:07 +0300
Avi Kivity <[EMAIL PROTECTED]> wrote:
> Ingo Molnar wrote:
> > * Andrew Morton <[EMAIL PROTECTED]> wrote:
> >
> >
> >> ia64 allmodconfig says
> >>
> >> drivers/kvm/Kconfig:14:warning: 'sel
ia64 allmodconfig says
drivers/kvm/Kconfig:14:warning: 'select' used by config symbol 'KVM' refers to
undefined symbol 'PREEMPT_NOTIFIERS'
Because of
commit 8928fb48c7a7f9053a55f1d0023cbc533f2b3663
Author: Avi Kivity <[EMAIL PROTECTED]>
Date: Wed Jul 11 18:17:21 2007 +0300
KVM: Use the
On Tue, 12 Jun 2007 18:16:29 -0400
Dave Jones <[EMAIL PROTECTED]> wrote:
> > > # Read KERNELRELEASE from include/config/kernel.release (if it exists)
> >
> > This causes the i386 allmodconfig build to fail:
>
> Seems to be doing its job rather effectively.
err, hang on. I had a different p
On Mon, 11 Jun 2007 23:22:24 -0400
Dave Jones <[EMAIL PROTECTED]> wrote:
> Add -Werror-implicit-function-declaration
> This makes builds fail sooner if something is implicitly defined instead
> of having to wait half an hour for it to fail at the linking stage.
>
> Signed-off-by: Dave Jones <[EMA
On Thu, 22 Mar 2007 18:49:30 +1100
Rusty Russell <[EMAIL PROTECTED]> wrote:
> rdmsr_safe() takes pointers. rdmsr() modifies its arguments. What a
> mess.
>
> Fix rdmsr_safe() with !CONFIG_PARAVIRT.
>
> Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
>
> diff -r a7f78e8eacc8 include/asm-i386/
> On Sun, 25 Feb 2007 11:58:23 +0200 Avi Kivity <[EMAIL PROTECTED]> wrote:
> Avi Kivity wrote:
> >
> > The patchset, along with the previous fixset, is available as a git
> > tree from git://kvm.qumranet.com/home/avi/kvm/linux-2.6. You may wish
> > to plant it in your little git forest.
> >
>
>
On Tue, 30 Jan 2007 14:56:16 -
Avi Kivity <[EMAIL PROTECTED]> wrote:
> +static void decache_vcpus_on_cpu(int cpu)
> +{
> + struct kvm *vm;
> + struct kvm_vcpu *vcpu;
> + int i;
> +
> + spin_lock(&kvm_lock);
> + list_for_each_entry(vm, &vm_list, vm_list)
> + for
On Thu, 04 Jan 2007 17:48:45 +0200
Avi Kivity <[EMAIL PROTECTED]> wrote:
> The current kvm shadow page table implementation does not cache shadow
> page tables (except for global translations, used for kernel addresses)
> across context switches. This means that after a context switch, every
>
On Thu, 30 Nov 2006 16:44:25 +0100
Ingo Molnar <[EMAIL PROTECTED]> wrote:
> > [...] Pretty similar to things like the msr or mtrr driver that expose
> > cpu features as character drivers aswell.
>
> you can expose everything as character drivers and ioctls, but that
> doesnt make it the right s
On Fri, 17 Nov 2006 09:20:49 +0200
Avi Kivity <[EMAIL PROTECTED]> wrote:
> >> +out_vcpu:
> >> + vcpu_put(vcpu);
> >> +
> >> + return rc;
> >> +}
> >>
> >
> > This function returns no indication of how many msrs it actually did set.
> > Should it?
> >
>
> It can't hurt. Is returning th
On Thu, 16 Nov 2006 18:04:22 -
Avi Kivity <[EMAIL PROTECTED]> wrote:
> +static int kvm_dev_ioctl_set_msrs(struct kvm *kvm, struct kvm_msrs *msrs)
> +{
> + struct kvm_vcpu *vcpu;
> + struct kvm_msr_entry *entry, *entries;
> + int rc;
> + u32 size, num_entries, i;
> +
> + if
On Wed, 08 Nov 2006 10:07:15 +0200
Avi Kivity <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote:
> > On Wed, 08 Nov 2006 09:14:50 +0200
> > Avi Kivity <[EMAIL PROTECTED]> wrote:
> >
> >
> >> Roland Dreier wrote:
> >>
> >>
On Wed, 08 Nov 2006 09:14:50 +0200
Avi Kivity <[EMAIL PROTECTED]> wrote:
> Roland Dreier wrote:
> > > That's gas 2.16.1. I assume it needs some super-new binutils.
> > >
> > > I'm not sure what to do about this. What's the minimum version?
> >
> > According to http://kvm.sourceforge.net/howt
On Sun, 05 Nov 2006 22:27:45 +0200
Avi Kivity <[EMAIL PROTECTED]> wrote:
> The following patchset adds a driver for Intel's hardware
> virtualization extensions to the x86 architecture.
kapow.
{standard input}: Assembler messages:
{standard input}:157: Error: no such instruction: `vmxon -20(%eb
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