From: Mark Rutland <mark.rutland@arm.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Will Deacon <will@kernel.org>, kernel test robot <lkp@intel.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Mark Brown <broonie@kernel.org>,
James Clark <james.clark@arm.com>, Rob Herring <robh@kernel.org>,
Marc Zyngier <maz@kernel.org>,
Suzuki Poulose <suzuki.poulose@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-perf-users@vger.kernel.org
Subject: Re: [PATCH V8 5/6] arm64/perf: Add branch stack support in ARMV8 PMU
Date: Wed, 8 Feb 2023 20:06:42 +0000 [thread overview]
Message-ID: <Y+QA0tRk2VVJ4gwu@FVFF77S0Q05N.cambridge.arm.com> (raw)
In-Reply-To: <143549b7-6f16-209f-b1be-c8202fd55d05@arm.com>
On Mon, Feb 06, 2023 at 09:46:25AM +0530, Anshuman Khandual wrote:
> On 2/3/23 17:01, Will Deacon wrote:
> > On Tue, Jan 31, 2023 at 12:28:17AM +0800, kernel test robot wrote:
[...]
> > This looks like it should be fixed. I'd also like to see Mark's ack on the
>
> This build warning is triggered when CONFIG_PERF_EVENTS is not enabled, when
> all the fallback stubs in there try to use has_branch_stack() which does not
> get defined. The following change, fixes the problem.
I expect that you'll post a v9 with that folded in, and I've just made some
comments on v7 which I expect will require some changes, so I'm going to wait
for v9 for further review to keep this manageable.
Thanks,
Mark.
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next prev parent reply other threads:[~2023-02-08 20:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-23 12:59 [PATCH V8 0/6] arm64/perf: Enable branch stack sampling Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 1/6] drivers: perf: arm_pmu: Add new sched_task() callback Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 2/6] arm64/perf: Add BRBE registers and fields Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 3/6] arm64/perf: Add branch stack support in struct arm_pmu Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 4/6] arm64/perf: Add branch stack support in struct pmu_hw_events Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 5/6] arm64/perf: Add branch stack support in ARMV8 PMU Anshuman Khandual
2023-01-30 16:28 ` kernel test robot
2023-02-03 11:31 ` Will Deacon
2023-02-06 4:16 ` Anshuman Khandual
2023-02-08 20:06 ` Mark Rutland [this message]
2023-02-09 2:48 ` Anshuman Khandual
2023-01-23 12:59 ` [PATCH V8 6/6] arm64/perf: Enable branch stack events via FEAT_BRBE Anshuman Khandual
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