From: David Vrabel <david.vrabel@citrix.com>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
Peter Zijlstra <peterz@infradead.org>
Cc: linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org,
Alexander Graf <agraf@suse.de>, Paul Mackerras <paulus@samba.org>,
David Vrabel <david.vrabel@citrix.com>,
xen-devel@lists.xenproject.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [Xen-devel] [PATCH v2 1/3] drivers/xen/preempt: use need_resched() instead of should_resched()
Date: Mon, 20 Jul 2015 13:41:42 +0000 [thread overview]
Message-ID: <55ACFA96.9060102@citrix.com> (raw)
In-Reply-To: <20150715095201.12246.49283.stgit@buzz>
On 15/07/15 10:52, Konstantin Khlebnikov wrote:
> This code is used only when CONFIG_PREEMPT=n and only in non-atomic context:
> xen_in_preemptible_hcall is set only in privcmd_ioctl_hypercall().
> Thus preempt_count is zero and should_resched() is equal to need_resched().
Applied to for-linus-4.3, thanks.
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
Peter Zijlstra <peterz@infradead.org>
Cc: linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org,
Alexander Graf <agraf@suse.de>, Paul Mackerras <paulus@samba.org>,
David Vrabel <david.vrabel@citrix.com>,
xen-devel@lists.xenproject.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [Xen-devel] [PATCH v2 1/3] drivers/xen/preempt: use need_resched() instead of should_resched()
Date: Mon, 20 Jul 2015 14:41:42 +0100 [thread overview]
Message-ID: <55ACFA96.9060102@citrix.com> (raw)
In-Reply-To: <20150715095201.12246.49283.stgit@buzz>
On 15/07/15 10:52, Konstantin Khlebnikov wrote:
> This code is used only when CONFIG_PREEMPT=n and only in non-atomic context:
> xen_in_preemptible_hcall is set only in privcmd_ioctl_hypercall().
> Thus preempt_count is zero and should_resched() is equal to need_resched().
Applied to for-linus-4.3, thanks.
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
Peter Zijlstra <peterz@infradead.org>
Cc: <linux-arch@vger.kernel.org>, <x86@kernel.org>,
<linux-kernel@vger.kernel.org>, <kvm-ppc@vger.kernel.org>,
Alexander Graf <agraf@suse.de>, Paul Mackerras <paulus@samba.org>,
David Vrabel <david.vrabel@citrix.com>,
<xen-devel@lists.xenproject.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
<linuxppc-dev@lists.ozlabs.org>
Subject: Re: [Xen-devel] [PATCH v2 1/3] drivers/xen/preempt: use need_resched() instead of should_resched()
Date: Mon, 20 Jul 2015 14:41:42 +0100 [thread overview]
Message-ID: <55ACFA96.9060102@citrix.com> (raw)
In-Reply-To: <20150715095201.12246.49283.stgit@buzz>
On 15/07/15 10:52, Konstantin Khlebnikov wrote:
> This code is used only when CONFIG_PREEMPT=n and only in non-atomic context:
> xen_in_preemptible_hcall is set only in privcmd_ioctl_hypercall().
> Thus preempt_count is zero and should_resched() is equal to need_resched().
Applied to for-linus-4.3, thanks.
David
next prev parent reply other threads:[~2015-07-20 13:41 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-15 9:52 [PATCH v2 1/3] drivers/xen/preempt: use need_resched() instead of should_resched() Konstantin Khlebnikov
2015-07-15 9:52 ` Konstantin Khlebnikov
2015-07-15 9:52 ` [PATCH v2 2/3] KVM: PPC: Book3S HV: Use " Konstantin Khlebnikov
2015-07-15 9:52 ` Konstantin Khlebnikov
2015-08-03 17:08 ` [tip:sched/core] sched/preempt, powerpc, kvm: " tip-bot for Konstantin Khlebnikov
2015-07-15 9:52 ` [PATCH v2 2/3] KVM: PPC: Book3S HV: " Konstantin Khlebnikov
2015-07-15 9:52 ` [PATCH v2 3/3] sched/preempt: fix cond_resched_lock() and cond_resched_softirq() Konstantin Khlebnikov
2015-07-15 9:52 ` Konstantin Khlebnikov
2015-07-15 9:52 ` Konstantin Khlebnikov
2015-07-15 12:16 ` Eric Dumazet
2015-07-15 12:16 ` Eric Dumazet
2015-07-15 12:52 ` Konstantin Khlebnikov
2015-07-15 12:52 ` Konstantin Khlebnikov
2015-07-15 13:35 ` Peter Zijlstra
2015-07-15 13:35 ` Peter Zijlstra
2015-07-15 13:35 ` Peter Zijlstra
2015-07-15 12:52 ` Konstantin Khlebnikov
2015-07-15 12:16 ` Eric Dumazet
2015-08-03 17:08 ` [tip:sched/core] sched/preempt: Fix " tip-bot for Konstantin Khlebnikov
2015-07-20 13:41 ` David Vrabel [this message]
2015-07-20 13:41 ` [Xen-devel] [PATCH v2 1/3] drivers/xen/preempt: use need_resched() instead of should_resched() David Vrabel
2015-07-20 13:41 ` David Vrabel
2015-07-20 13:41 ` David Vrabel
2015-08-03 17:07 ` [tip:sched/core] sched/preempt, xen: Use " tip-bot for Konstantin Khlebnikov
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