From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Heiko Carstens <heiko.carstens-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Andrew Morton <akpm-3NddpPZAyC0@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 0/15] KVM userspace interface updates
Date: Sun, 18 Mar 2007 07:20:57 +0200 [thread overview]
Message-ID: <45FCCC39.7090104@qumranet.com> (raw)
In-Reply-To: <20070316083650.GA8525-Pmgahw53EmNLmI7Nx2oIsGnsbthNF6/HVpNB7YpNyf8@public.gmane.org>
Heiko Carstens wrote:
> On Sun, Mar 11, 2007 at 03:53:12PM +0200, Avi Kivity wrote:
>
>> This patchset updates the kvm userspace interface to what I hope will
>> be the long-term stable interface. Provisions are included for extending
>> the interface later. The patches address performance and cleanliness
>> concerns.
>>
>
> Searching the mailing list I figured that as soons as the interface seems
> to be stable, kvm should/would switch to a system call based interface.
> I assume the userspace interface might still change a lot, especially if
> kvm is ported to new architectures.
> But the general question is: do you still plan to switch to a syscall
> interface?
>
I don't have any present plans for that. Maybe when the interface
starts to evolve at a slower pace, or if it is shown to be significantly
faster.
Not that interface stabilization here doesn't mean a freeze; it means
that backwards compatibility starts when this gets merged.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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next prev parent reply other threads:[~2007-03-18 5:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 13:53 [PATCH 0/15] KVM userspace interface updates Avi Kivity
[not found] ` <11736212072915-git-send-email-avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-11 13:53 ` [PATCH 01/15] KVM: Use a shared page for kernel/user communication when runing a vcpu Avi Kivity
[not found] ` <1173621207773-git-send-email-avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-15 2:38 ` Hollis Blanchard
2007-03-15 3:09 ` [kvm-devel] " Hollis Blanchard
2007-03-11 13:53 ` [PATCH 02/15] KVM: Do not communicate to userspace through cpu registers during PIO Avi Kivity
2007-03-11 13:53 ` [PATCH 03/15] KVM: Initialize PIO I/O count Avi Kivity
2007-03-11 13:53 ` [PATCH 04/15] KVM: Handle cpuid in the kernel instead of punting to userspace Avi Kivity
2007-03-11 13:53 ` [PATCH 05/15] KVM: Remove the 'emulated' field from the userspace interface Avi Kivity
2007-03-11 13:53 ` [PATCH 06/15] KVM: Remove minor wart from KVM_CREATE_VCPU ioctl Avi Kivity
2007-03-11 13:53 ` [PATCH 07/15] KVM: Renumber ioctls Avi Kivity
2007-03-11 13:53 ` [PATCH 08/15] KVM: Add method to check for backwards-compatible API extensions Avi Kivity
2007-03-16 15:06 ` [kvm-devel] " Heiko Carstens
[not found] ` <20070316150622.GC8525-Pmgahw53EmNLmI7Nx2oIsGnsbthNF6/HVpNB7YpNyf8@public.gmane.org>
2007-03-18 8:20 ` Avi Kivity
2007-03-11 13:53 ` [PATCH 09/15] KVM: Allow userspace to process hypercalls which have no kernel handler Avi Kivity
2007-03-11 13:53 ` [PATCH 10/15] KVM: Fold kvm_run::exit_type into kvm_run::exit_reason Avi Kivity
2007-03-11 13:53 ` [PATCH 11/15] KVM: Add a special exit reason when exiting due to an interrupt Avi Kivity
2007-03-11 13:53 ` [PATCH 12/15] KVM: Initialize the apic_base msr on svm too Avi Kivity
2007-03-11 13:53 ` [PATCH 13/15] KVM: Add guest mode signal mask Avi Kivity
2007-03-11 13:53 ` [PATCH 14/15] KVM: Allow kernel to select size of mmap() buffer Avi Kivity
2007-03-11 13:53 ` [PATCH 15/15] KVM: Future-proof argument-less ioctls Avi Kivity
2007-03-16 8:36 ` [PATCH 0/15] KVM userspace interface updates Heiko Carstens
2007-03-16 14:03 ` [kvm-devel] " Anthony Liguori
2007-03-16 15:01 ` Heiko Carstens
2007-03-18 10:42 ` Avi Kivity
[not found] ` <45FD1778.6030602-7k6+44Jx4zn6gbPvEgmw2w@public.gmane.org>
2007-03-19 15:43 ` Heiko Carstens
[not found] ` <20070319154311.GB8331-Pmgahw53EmNLmI7Nx2oIsGnsbthNF6/HVpNB7YpNyf8@public.gmane.org>
2007-03-19 16:02 ` Avi Kivity
2007-03-19 16:37 ` [kvm-devel] " Heiko Carstens
[not found] ` <45FEB431.8030504-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-19 17:49 ` Avi Kivity
[not found] ` <20070316083650.GA8525-Pmgahw53EmNLmI7Nx2oIsGnsbthNF6/HVpNB7YpNyf8@public.gmane.org>
2007-03-18 5:20 ` Avi Kivity [this message]
[not found] ` <45FCCC39.7090104-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-03-18 10:22 ` Heiko Carstens
2007-03-18 10:32 ` [kvm-devel] " Avi Kivity
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