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From: Will Deacon <will.deacon@arm.com>
To: "shannon.zhao@linaro.org" <shannon.zhao@linaro.org>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Marc Zyngier <Marc.Zyngier@arm.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
Subject: Re: [PATCH 01/18] ARM64: Move PMU register related defines to asm/pmu.h
Date: Wed, 8 Jul 2015 18:18:28 +0100	[thread overview]
Message-ID: <20150708171828.GD6348@arm.com> (raw)
In-Reply-To: <1436149068-3784-2-git-send-email-shannon.zhao@linaro.org>

On Mon, Jul 06, 2015 at 03:17:31AM +0100, shannon.zhao@linaro.org wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
> 
> To use the ARMv8 PMU related register defines from the KVM code,
> we move the relevant definitions to asm/pmu.h header file.
> 
> Signed-off-by: Anup Patel <anup.patel@linaro.org>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> ---
>  arch/arm64/include/asm/pmu.h   | 45 ++++++++++++++++++++++++++++++++++++++++++
>  arch/arm64/kernel/perf_event.c | 35 --------------------------------
>  2 files changed, 45 insertions(+), 35 deletions(-)

Whilst I'm ok with the idea, we're currently in the process of moving the
ARM and arm64 PMU drivers out into drivers/perf/, so this is likely to
conflict horribly with that work.

Christoffer/Marc: if you end up wanting to queue this for 4.3, give me a
shout and I'll try to create a stable branch you can use as a base (but
it's likely to contain a whole heap of stuff you don't want...).

Will

WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/18] ARM64: Move PMU register related defines to asm/pmu.h
Date: Wed, 8 Jul 2015 18:18:28 +0100	[thread overview]
Message-ID: <20150708171828.GD6348@arm.com> (raw)
In-Reply-To: <1436149068-3784-2-git-send-email-shannon.zhao@linaro.org>

On Mon, Jul 06, 2015 at 03:17:31AM +0100, shannon.zhao at linaro.org wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
> 
> To use the ARMv8 PMU related register defines from the KVM code,
> we move the relevant definitions to asm/pmu.h header file.
> 
> Signed-off-by: Anup Patel <anup.patel@linaro.org>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> ---
>  arch/arm64/include/asm/pmu.h   | 45 ++++++++++++++++++++++++++++++++++++++++++
>  arch/arm64/kernel/perf_event.c | 35 --------------------------------
>  2 files changed, 45 insertions(+), 35 deletions(-)

Whilst I'm ok with the idea, we're currently in the process of moving the
ARM and arm64 PMU drivers out into drivers/perf/, so this is likely to
conflict horribly with that work.

Christoffer/Marc: if you end up wanting to queue this for 4.3, give me a
shout and I'll try to create a stable branch you can use as a base (but
it's likely to contain a whole heap of stuff you don't want...).

Will

  reply	other threads:[~2015-07-08 17:07 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-06  2:17 [PATCH 00/18] KVM: ARM64: Add guest PMU support shannon.zhao
2015-07-06  2:17 ` shannon.zhao at linaro.org
2015-07-06  2:17 ` [PATCH 01/18] ARM64: Move PMU register related defines to asm/pmu.h shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-08 17:18   ` Will Deacon [this message]
2015-07-08 17:18     ` Will Deacon
2015-07-06  2:17 ` [PATCH 02/18] KVM: ARM64: Add initial support for PMU shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-16 18:25   ` Christoffer Dall
2015-07-16 18:25     ` Christoffer Dall
2015-07-17  8:13     ` Shannon Zhao
2015-07-17  8:13       ` Shannon Zhao
2015-07-17  9:58       ` Christoffer Dall
2015-07-17  9:58         ` Christoffer Dall
2015-07-17 11:34         ` Shannon Zhao
2015-07-17 11:34           ` Shannon Zhao
2015-07-17 12:48           ` Christoffer Dall
2015-07-17 12:48             ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 03/18] KVM: ARM64: Add offset defines for PMU registers shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-16 18:45   ` Christoffer Dall
2015-07-16 18:45     ` Christoffer Dall
2015-07-17  8:25     ` Shannon Zhao
2015-07-17  8:25       ` Shannon Zhao
2015-07-17 10:17       ` Christoffer Dall
2015-07-17 10:17         ` Christoffer Dall
2015-07-17 11:40         ` Shannon Zhao
2015-07-17 11:40           ` Shannon Zhao
2015-07-06  2:17 ` [PATCH 04/18] KVM: ARM64: Add reset and access handlers for PMCR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-16 19:55   ` Christoffer Dall
2015-07-16 19:55     ` Christoffer Dall
2015-07-17  8:45     ` Shannon Zhao
2015-07-17  8:45       ` Shannon Zhao
2015-07-17 10:21       ` Christoffer Dall
2015-07-17 10:21         ` Christoffer Dall
2015-07-21  1:16         ` Shannon Zhao
2015-07-21  1:16           ` Shannon Zhao
2015-08-03 19:39           ` Christoffer Dall
2015-08-03 19:39             ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 05/18] KVM: ARM64: Add reset and access handlers for PMSELR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-06  2:17 ` [PATCH 06/18] KVM: ARM64: Add reset and access handlers for PMCEID0_EL0 and PMCEID1_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 13:51   ` Christoffer Dall
2015-07-17 13:51     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 07/18] KVM: ARM64: PMU: Add perf event map and introduce perf event creating function shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:30   ` Christoffer Dall
2015-07-17 14:30     ` Christoffer Dall
2015-07-21  1:35     ` Shannon Zhao
2015-07-21  1:35       ` Shannon Zhao
2015-08-03 19:55       ` Christoffer Dall
2015-08-03 19:55         ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 08/18] KVM: ARM64: Add reset and access handlers for PMXEVTYPER_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-06  2:17 ` [PATCH 09/18] KVM: ARM64: Add reset and access handlers for PMXEVCNTR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:41   ` Christoffer Dall
2015-07-17 14:41     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 10/18] KVM: ARM64: Add reset and access handlers for PMCCNTR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:42   ` Christoffer Dall
2015-07-17 14:42     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 11/18] KVM: ARM64: Add reset and access handlers for PMCNTENSET_EL0 and PMCNTENCLR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:52   ` Christoffer Dall
2015-07-17 14:52     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 12/18] KVM: ARM64: Add reset and access handlers for PMINTENSET_EL1 and PMINTENCLR_EL1 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:56   ` Christoffer Dall
2015-07-17 14:56     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 13/18] KVM: ARM64: Add reset and access handlers for PMOVSSET_EL0 and PMOVSCLR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 14:59   ` Christoffer Dall
2015-07-17 14:59     ` Christoffer Dall
2015-07-17 15:02   ` Christoffer Dall
2015-07-17 15:02     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 14/18] KVM: ARM64: Add reset and access handlers for PMUSERENR_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 15:01   ` Christoffer Dall
2015-07-17 15:01     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 15/18] KVM: ARM64: Add reset and access handlers for PMSWINC_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 15:13   ` Christoffer Dall
2015-07-17 15:13     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 16/18] KVM: ARM64: Add access handlers for PMEVCNTRn_EL0 and PMEVTYPERn_EL0 register shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 15:19   ` Christoffer Dall
2015-07-17 15:19     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 17/18] KVM: ARM64: Add PMU overflow interrupt routing shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 15:28   ` Christoffer Dall
2015-07-17 15:28     ` Christoffer Dall
2015-07-06  2:17 ` [PATCH 18/18] KVM: ARM64: Add KVM_CAP_ARM_PMU and KVM_ARM_PMU_SET_IRQ shannon.zhao
2015-07-06  2:17   ` shannon.zhao at linaro.org
2015-07-17 15:32   ` Christoffer Dall
2015-07-17 15:32     ` Christoffer Dall

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