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From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Rik van Riel <riel@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v2 0/2] x86/entry: speed up context-tracking system calls by 150 clock cycles
Date: Wed, 6 Jul 2016 15:47:32 +0200	[thread overview]
Message-ID: <b0b4f9ee-ba16-9619-e105-1834e191bbac@redhat.com> (raw)
In-Reply-To: <1466434712-31440-1-git-send-email-pbonzini@redhat.com>



On 20/06/2016 16:58, Paolo Bonzini wrote:
> The first patches are the two optimizations I posted on May 30th
> for the system call entry/exit code.  The only change is in the
> function names, which use the user_{enter,exit}_irqoff favored
> by Andy and Ingo.  The first patch matches what commit d0e536d8939
> ("context_tracking: avoid irq_save/irq_restore on guest entry and exit",
> 2015-10-28) did for guest entry and exit.  The second simply adds
> an inline annotation; the compiler doesn't figure it out because the
> function is not static.
> 
> The second two patches move guest_{enter,exit} to the same naming
> convention, removing the KVM wrappers kvm_guest_{enter,exit} and
> __kvm_guest_{enter,exit} in the process.  I would like these two to
> go through the KVM tree because I have other optimizations for 4.8
> on top of these patches.
> 
> Thanks,

Ingo,

ping for these two patches:

http://article.gmane.org/gmane.linux.kernel/2248541/raw
http://article.gmane.org/gmane.comp.emulators.kvm.devel/153909/raw

Thanks,

Paolo

      parent reply	other threads:[~2016-07-06 13:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-20 14:58 [PATCH v2 0/2] x86/entry: speed up context-tracking system calls by 150 clock cycles Paolo Bonzini
2016-06-20 14:58 ` [PATCH 1/2] x86/entry: Avoid interrupt flag save and restore Paolo Bonzini
2016-06-20 20:21   ` Rik van Riel
2016-06-20 20:34   ` Andy Lutomirski
2016-06-20 14:58 ` [PATCH 2/2] x86/entry: Inline enter_from_user_mode Paolo Bonzini
2016-06-20 20:22   ` Rik van Riel
2016-06-20 14:58 ` [PATCH 3/2] context_tracking: move rcu_virt_note_context_switch out of kvm_host.h Paolo Bonzini
2016-06-20 20:23   ` Rik van Riel
2016-06-20 14:58 ` [PATCH 4/2] KVM: remove kvm_guest_enter/exit wrappers Paolo Bonzini
2016-06-20 20:24   ` Rik van Riel
2016-06-21 13:24 ` [PATCH v2 0/2] x86/entry: speed up context-tracking system calls by 150 clock cycles Christian Borntraeger
2016-06-21 13:26   ` Paolo Bonzini
2016-06-28 12:16 ` Paolo Bonzini
2016-07-06 13:47 ` Paolo Bonzini [this message]

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