From: Paolo Bonzini <pbonzini@redhat.com>
To: "Radim Krčmář" <rkrcmar@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: "Lan, Tianyu" <tianyu.lan@intel.com>,
Igor Mammedov <imammedo@redhat.com>,
Jan Kiszka <jan.kiszka@web.de>, Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH v1 11/11] KVM: x86: bump MAX_VCPUS to 288
Date: Fri, 1 Jul 2016 10:43:26 +0200 [thread overview]
Message-ID: <c39dee82-76ad-4358-317d-3fa5ec3c2bcb@redhat.com> (raw)
In-Reply-To: <20160630205429.16480-12-rkrcmar@redhat.com>
On 30/06/2016 22:54, Radim Krčmář wrote:
> 288 is in high demand because of Knights Landing CPU.
> We cannot set the limit to 640k, because that would be wasting space.
>
> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
> ---
> arch/x86/include/asm/kvm_host.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 48b0ca18066c..411da14a675e 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -34,7 +34,7 @@
> #include <asm/asm.h>
> #include <asm/kvm_page_track.h>
>
> -#define KVM_MAX_VCPUS 255
> +#define KVM_MAX_VCPUS 288
> #define KVM_SOFT_MAX_VCPUS 240
> #define KVM_USER_MEM_SLOTS 509
> /* memory slots that are not exposed to userspace */
>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo
prev parent reply other threads:[~2016-07-01 8:44 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-30 20:54 [PATCH v1 00/11] KVM: x86: break the xAPIC barrier Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 01/11] KVM: x86: bump KVM_SOFT_MAX_VCPUS to 240 Radim Krčmář
2016-07-01 8:42 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 02/11] KVM: x86: add kvm_apic_map_get_dest_lapic Radim Krčmář
2016-07-01 7:57 ` Paolo Bonzini
2016-07-01 12:39 ` Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 03/11] KVM: x86: dynamic kvm_apic_map Radim Krčmář
2016-06-30 22:15 ` Andrew Honig
2016-07-01 8:42 ` Paolo Bonzini
2016-07-01 12:44 ` Radim Krčmář
2016-07-01 14:03 ` Paolo Bonzini
2016-07-01 14:38 ` Radim Krčmář
2016-07-01 15:06 ` Paolo Bonzini
2016-07-01 15:12 ` Paolo Bonzini
2016-07-01 15:43 ` Radim Krčmář
2016-07-01 16:38 ` Paolo Bonzini
2016-07-01 15:35 ` Radim Krčmář
2016-07-01 7:33 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 04/11] KVM: x86: use u16 for logical VCPU mask in lapic Radim Krčmář
2016-07-01 7:56 ` Paolo Bonzini
2016-07-01 12:48 ` Radim Krčmář
2016-07-01 14:04 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 05/11] KVM: x86: use generic function for MSI parsing Radim Krčmář
2016-07-01 8:42 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 06/11] KVM: x86: use hardware-compatible format for APIC ID register Radim Krčmář
2016-07-01 8:33 ` Paolo Bonzini
2016-07-01 13:11 ` Radim Krčmář
2016-07-01 14:12 ` Paolo Bonzini
2016-07-01 14:54 ` Radim Krčmář
2016-07-01 15:07 ` Paolo Bonzini
2016-07-01 15:53 ` Radim Krčmář
2016-07-01 16:37 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 07/11] KVM: VMX: optimize APIC ID read with APICv Radim Krčmář
2016-07-01 8:42 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 08/11] KVM: x86: directly call recalculate_apic_map on lapic restore Radim Krčmář
2016-07-01 8:43 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 09/11] KVM: x86: reset lapic base in kvm_lapic_reset Radim Krčmář
2016-07-01 8:43 ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 10/11] KVM: x86: add KVM_CAP_X2APIC_API Radim Krčmář
2016-07-01 8:24 ` Paolo Bonzini
2016-07-01 13:25 ` Radim Krčmář
2016-07-01 18:09 ` David Matlack
2016-07-01 18:31 ` Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 11/11] KVM: x86: bump MAX_VCPUS to 288 Radim Krčmář
2016-07-01 8:43 ` Paolo Bonzini [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c39dee82-76ad-4358-317d-3fa5ec3c2bcb@redhat.com \
--to=pbonzini@redhat.com \
--cc=imammedo@redhat.com \
--cc=jan.kiszka@web.de \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterx@redhat.com \
--cc=rkrcmar@redhat.com \
--cc=tianyu.lan@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome