From: Jan Kiszka <jan.kiszka@siemens.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: riel@redhat.com, rkrcmar@redhat.com, mtosatti@redhat.com
Subject: Re: [PATCH RFC] kvm: x86: add halt_poll module parameter
Date: Thu, 05 Feb 2015 19:55:16 +0100 [thread overview]
Message-ID: <54D3BC94.9010007@siemens.com> (raw)
In-Reply-To: <1423152325-5094-1-git-send-email-pbonzini@redhat.com>
On 2015-02-05 17:05, Paolo Bonzini wrote:
> This patch introduces a new module parameter for the KVM module; when it
> is present, KVM attempts a bit of polling on every HLT before scheduling
> itself out via kvm_vcpu_block.
Wouldn't it be better to tune this on a per-VM basis? Think of mixed
workloads with some latency-sensitive and some standard VMs.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2015-02-05 18:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-05 16:05 [PATCH RFC] kvm: x86: add halt_poll module parameter Paolo Bonzini
2015-02-05 17:46 ` Rik van Riel
2015-02-05 17:53 ` Radim Krčmář
2015-02-05 19:18 ` Paolo Bonzini
2015-02-05 18:55 ` Jan Kiszka [this message]
2015-02-05 19:20 ` Paolo Bonzini
2015-02-05 19:23 ` Rik van Riel
2015-02-05 20:14 ` Paolo Bonzini
2015-02-05 20:39 ` David Matlack
2015-02-05 21:24 ` Paolo Bonzini
2015-02-05 23:34 ` Marcelo Tosatti
2015-02-05 23:47 ` Marcelo Tosatti
2015-02-06 7:50 ` Paolo Bonzini
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