From: Suzuki K Poulose <suzuki.poulose@arm.com> To: Marc Zyngier <maz@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, mike.leach@linaro.org, leo.yan@linaro.org, anshuman.khandual@arm.com, Will Deacon <will.deacon@arm.com> Subject: Re: [PATCH v5 05/19] arm64: Add support for trace synchronization barrier Date: Wed, 24 Mar 2021 15:51:14 +0000 [thread overview] Message-ID: <1b5e5bb2-b89f-fa35-0a8b-8c5476cb9ff6@arm.com> (raw) In-Reply-To: <875z1gk6fo.wl-maz@kernel.org> On 24/03/2021 13:49, Marc Zyngier wrote: > On Wed, 24 Mar 2021 09:39:13 +0000, > Suzuki K Poulose <suzuki.poulose@arm.com> wrote: >> >> On 23/03/2021 18:21, Catalin Marinas wrote: >>> Hi Suzuki? >>> >>> On Tue, Mar 23, 2021 at 12:06:33PM +0000, Suzuki K Poulose wrote: >>>> tsb csync synchronizes the trace operation of instructions. >>>> The instruction is a nop when FEAT_TRF is not implemented. >>>> >>>> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> >>>> Cc: Mike Leach <mike.leach@linaro.org> >>>> Cc: Catalin Marinas <catalin.marinas@arm.com> >>>> Cc: Will Deacon <will.deacon@arm.com> >>>> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> >>> >>> How do you plan to merge these patches? If they go via the coresight >>> tree: >>> >> >> Ideally all of this should go via the CoreSight tree to have the >> dependencies solved at one place. But there are some issues : >> >> If this makes to 5.13 queue for CoreSight, >> >> 1) CoreSight next is based on rc2 at the moment and we have fixes gone >> into rc3 and later, which this series will depend on. (We could move >> the next tree forward to a later rc to solve this). >> >> 2) There could be conflicts with the kvmarm tree for the KVM host >> changes (That has dependency on the TRBE definitions patch). >> >> If it doesn't make to 5.13 queue, it would be good to have this patch, >> the TRBE defintions and the KVM host patches queued for 5.13 (not sure >> if this is acceptable) and we could rebase the CoreSight changes on 5.13 >> and push it to next release. >> >> I am open for other suggestions. >> >> Marc, Mathieu, >> >> Thoughts ? > > I was planning to take the first two patches in 5.12 as fixes (they > are queued already, and would hopefully land in -rc5). If that doesn't > fit with the plan, please let me know ASAP. Marc, I think it would be better to hold on pushing those patches until we have a clarity on how things will go. Sorry for the confusion. Kind regards Suzuki > > Thanks, > > M. >
WARNING: multiple messages have this Message-ID (diff)
From: Suzuki K Poulose <suzuki.poulose@arm.com> To: Marc Zyngier <maz@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, mike.leach@linaro.org, leo.yan@linaro.org, anshuman.khandual@arm.com, Will Deacon <will.deacon@arm.com> Subject: Re: [PATCH v5 05/19] arm64: Add support for trace synchronization barrier Date: Wed, 24 Mar 2021 15:51:14 +0000 [thread overview] Message-ID: <1b5e5bb2-b89f-fa35-0a8b-8c5476cb9ff6@arm.com> (raw) In-Reply-To: <875z1gk6fo.wl-maz@kernel.org> On 24/03/2021 13:49, Marc Zyngier wrote: > On Wed, 24 Mar 2021 09:39:13 +0000, > Suzuki K Poulose <suzuki.poulose@arm.com> wrote: >> >> On 23/03/2021 18:21, Catalin Marinas wrote: >>> Hi Suzuki? >>> >>> On Tue, Mar 23, 2021 at 12:06:33PM +0000, Suzuki K Poulose wrote: >>>> tsb csync synchronizes the trace operation of instructions. >>>> The instruction is a nop when FEAT_TRF is not implemented. >>>> >>>> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> >>>> Cc: Mike Leach <mike.leach@linaro.org> >>>> Cc: Catalin Marinas <catalin.marinas@arm.com> >>>> Cc: Will Deacon <will.deacon@arm.com> >>>> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> >>> >>> How do you plan to merge these patches? If they go via the coresight >>> tree: >>> >> >> Ideally all of this should go via the CoreSight tree to have the >> dependencies solved at one place. But there are some issues : >> >> If this makes to 5.13 queue for CoreSight, >> >> 1) CoreSight next is based on rc2 at the moment and we have fixes gone >> into rc3 and later, which this series will depend on. (We could move >> the next tree forward to a later rc to solve this). >> >> 2) There could be conflicts with the kvmarm tree for the KVM host >> changes (That has dependency on the TRBE definitions patch). >> >> If it doesn't make to 5.13 queue, it would be good to have this patch, >> the TRBE defintions and the KVM host patches queued for 5.13 (not sure >> if this is acceptable) and we could rebase the CoreSight changes on 5.13 >> and push it to next release. >> >> I am open for other suggestions. >> >> Marc, Mathieu, >> >> Thoughts ? > > I was planning to take the first two patches in 5.12 as fixes (they > are queued already, and would hopefully land in -rc5). If that doesn't > fit with the plan, please let me know ASAP. Marc, I think it would be better to hold on pushing those patches until we have a clarity on how things will go. Sorry for the confusion. Kind regards Suzuki > > Thanks, > > M. > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-24 15:51 UTC|newest] Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-23 12:06 [PATCH v5 00/19] coresight: Add support for ETE and TRBE Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 01/19] [Queued] kvm: arm64: Hide system instruction access to Trace registers Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 02/19] [Queued] kvm: arm64: Disable guest access to trace filter controls Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 03/19] perf: aux: Add flags for the buffer format Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 04/19] perf: aux: Add CoreSight PMU buffer formats Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-29 16:56 ` Mathieu Poirier 2021-03-29 16:56 ` Mathieu Poirier 2021-04-19 7:46 ` Peter Zijlstra 2021-04-19 7:46 ` Peter Zijlstra 2021-03-23 12:06 ` [PATCH v5 05/19] arm64: Add support for trace synchronization barrier Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 18:21 ` Catalin Marinas 2021-03-23 18:21 ` Catalin Marinas 2021-03-24 9:39 ` Suzuki K Poulose 2021-03-24 9:39 ` Suzuki K Poulose 2021-03-24 13:49 ` Marc Zyngier 2021-03-24 13:49 ` Marc Zyngier 2021-03-24 15:51 ` Suzuki K Poulose [this message] 2021-03-24 15:51 ` Suzuki K Poulose 2021-03-24 16:16 ` Marc Zyngier 2021-03-24 16:16 ` Marc Zyngier 2021-03-24 16:25 ` Suzuki K Poulose 2021-03-24 16:25 ` Suzuki K Poulose 2021-03-24 16:30 ` Marc Zyngier 2021-03-24 16:30 ` Marc Zyngier 2021-03-24 17:06 ` Suzuki K Poulose 2021-03-24 17:06 ` Suzuki K Poulose 2021-03-24 17:19 ` Catalin Marinas 2021-03-24 17:19 ` Catalin Marinas 2021-03-24 17:40 ` Marc Zyngier 2021-03-24 17:40 ` Marc Zyngier 2021-03-26 16:31 ` Mathieu Poirier 2021-03-26 16:31 ` Mathieu Poirier 2021-03-23 12:06 ` [PATCH v5 06/19] arm64: Add TRBE definitions Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 07/19] arm64: kvm: Enable access to TRBE support for host Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-26 16:55 ` Mathieu Poirier 2021-03-26 16:55 ` Mathieu Poirier 2021-03-30 10:16 ` Marc Zyngier 2021-03-30 10:16 ` Marc Zyngier 2021-03-30 10:38 ` Suzuki K Poulose 2021-03-30 10:38 ` Suzuki K Poulose 2021-03-30 15:23 ` Mathieu Poirier 2021-03-30 15:23 ` Mathieu Poirier 2021-03-30 15:34 ` Marc Zyngier 2021-03-30 15:34 ` Marc Zyngier 2021-03-30 15:35 ` Greg KH 2021-03-30 15:35 ` Greg KH 2021-03-30 16:33 ` Mathieu Poirier 2021-03-30 16:33 ` Mathieu Poirier 2021-03-30 16:47 ` Greg KH 2021-03-30 16:47 ` Greg KH 2021-03-30 16:51 ` Mathieu Poirier 2021-03-30 16:51 ` Mathieu Poirier 2021-03-30 10:12 ` Marc Zyngier 2021-03-30 10:12 ` Marc Zyngier 2021-03-30 11:12 ` Suzuki K Poulose 2021-03-30 11:12 ` Suzuki K Poulose 2021-03-30 12:15 ` Marc Zyngier 2021-03-30 12:15 ` Marc Zyngier 2021-03-30 13:34 ` Suzuki K Poulose 2021-03-30 13:34 ` Suzuki K Poulose 2021-03-30 14:00 ` Marc Zyngier 2021-03-30 14:00 ` Marc Zyngier 2021-03-31 15:28 ` Alexandru Elisei 2021-03-31 15:28 ` Alexandru Elisei 2021-03-31 15:37 ` Marc Zyngier 2021-03-31 15:37 ` Marc Zyngier 2021-03-23 12:06 ` [PATCH v5 08/19] coresight: etm4x: Move ETM to prohibited region for disable Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 09/19] coresight: etm-perf: Allow an event to use different sinks Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 10/19] coresight: Do not scan for graph if none is present Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 11/19] coresight: etm4x: Add support for PE OS lock Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 12/19] coresight: ete: Add support for ETE tracing Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 13/19] dts: bindings: Document device tree bindings for ETE Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 22:46 ` Rob Herring 2021-03-23 22:46 ` Rob Herring 2021-03-23 12:06 ` [PATCH v5 14/19] coresight: etm-perf: Handle stale output handles Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 15/19] coresight: core: Add support for dedicated percpu sinks Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 16/19] coresight: sink: Add TRBE driver Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 17/19] Documentation: coresight: trbe: Sysfs ABI description Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 18/19] Documentation: trace: Add documentation for TRBE Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 12:06 ` [PATCH v5 19/19] dts: bindings: Document device tree bindings for Arm TRBE Suzuki K Poulose 2021-03-23 12:06 ` Suzuki K Poulose 2021-03-23 16:33 ` (subset) [PATCH v5 00/19] coresight: Add support for ETE and TRBE Marc Zyngier 2021-03-23 16:33 ` Marc Zyngier 2021-03-23 16:34 ` Marc Zyngier 2021-03-23 16:34 ` Marc Zyngier 2021-03-23 17:05 ` Suzuki K Poulose 2021-03-23 17:05 ` Suzuki K Poulose
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