From: Paolo Bonzini <pbonzini@redhat.com>
To: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Gleb Natapov <gleb@kernel.org>,
Raghavendra KT <raghavendra.kt@linux.vnet.ibm.com>,
Vinod Chegu <chegu_vinod@hp.com>, Hui-Zhi <hui-zhi.zhao@hp.com>,
Christian Borntraeger <borntraeger@de.ibm.com>
Subject: Re: [PATCH v2 1/6] KVM: add kvm_arch_sched_in
Date: Thu, 21 Aug 2014 15:25:26 +0200 [thread overview]
Message-ID: <53F5F346.5090105@redhat.com> (raw)
In-Reply-To: <20140821125056.GE20453@potion.brq.redhat.com>
Il 21/08/2014 14:50, Radim Krčmář ha scritto:
> > >
> > > All empty arch functions are in '.c' files, so it seems better to follow
> > > the same path.
> > > (And have one refactoring patch if GCC does not optimize this.)
> >
> > GCC certainly does not optimize this (unless you use LTO).
>
> I see LTO patches in next ... do we want to move every empty arch
> function into headers?
I wouldn't reject the patches.
(It would also save some lines of code, since in the headers it's common
to do "static inline void foo(void) {}" on a single line).
> (It is probably going to take LTO few years to be enabled by default.)
Indeed... see also
http://lwn.net/SubscriberLink/608945/7763ad2aee106f1d/ from today's LWN
issue.
Paolo
next prev parent reply other threads:[~2014-08-21 13:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 20:53 [PATCH v2 0/6] Dynamic Pause Loop Exiting window Radim Krčmář
2014-08-20 20:53 ` [PATCH v2 1/6] KVM: add kvm_arch_sched_in Radim Krčmář
2014-08-21 8:29 ` Paolo Bonzini
2014-08-21 11:38 ` Radim Krčmář
2014-08-21 12:27 ` Paolo Bonzini
2014-08-21 12:50 ` Radim Krčmář
2014-08-21 13:25 ` Paolo Bonzini [this message]
2014-08-20 20:53 ` [PATCH v2 2/6] KVM: x86: introduce sched_in to kvm_x86_ops Radim Krčmář
2014-08-20 20:53 ` [PATCH v2 3/6] KVM: VMX: make PLE window per-VCPU Radim Krčmář
2014-08-21 8:25 ` Paolo Bonzini
2014-08-21 11:38 ` Radim Krčmář
2014-08-20 20:53 ` [PATCH v2 4/6] KVM: VMX: dynamise PLE window Radim Krčmář
2014-08-21 8:24 ` Paolo Bonzini
2014-08-21 11:47 ` Radim Krčmář
2014-08-21 8:26 ` Paolo Bonzini
2014-08-21 11:54 ` Radim Krčmář
2014-08-21 12:29 ` Paolo Bonzini
2014-08-21 12:42 ` Radim Krčmář
2014-08-21 13:18 ` Paolo Bonzini
2014-08-21 13:46 ` Radim Krčmář
2014-08-20 20:53 ` [PATCH v2 5/6] KVM: trace kvm_ple_window Radim Krčmář
2014-08-21 8:29 ` Paolo Bonzini
2014-08-21 11:56 ` Radim Krčmář
2014-08-21 13:22 ` Paolo Bonzini
2014-08-21 13:49 ` Radim Krčmář
2014-08-20 20:53 ` [PATCH v2 6/6] KVM: VMX: runtime knobs for dynamic PLE window Radim Krčmář
2014-08-21 6:49 ` [PATCH v2 0/6] Dynamic Pause Loop Exiting window Zhao, Hui-Zhi (Steven, HPservers-Core-OE-PSC)
2014-08-21 6:49 ` Zhao, Hui-Zhi (Steven, HPservers-Core-OE-PSC)
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