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Date:   Mon, 25 Apr 2022 22:32:22 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Ravi Bangoria <ravi.bangoria@amd.com>
Cc:     acme@kernel.org, mingo@redhat.com, mark.rutland@arm.com,
        jolsa@kernel.org, namhyung@kernel.org, tglx@linutronix.de,
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        james.clark@arm.com, leo.yan@linaro.org, kan.liang@linux.intel.com,
        ak@linux.intel.com, eranian@google.com, like.xu.linux@gmail.com,
        x86@kernel.org, linux-perf-users@vger.kernel.org,
        linux-kernel@vger.kernel.org, sandipan.das@amd.com,
        ananth.narayan@amd.com, kim.phillips@amd.com, rrichter@amd.com,
        santosh.shukla@amd.com
Subject: Re: [PATCH 0/6] perf/amd: Zen4 IBS extensions support
Message-ID: <20220425203222.GN2731@worktop.programming.kicks-ass.net>
References: <20220425044323.2830-1-ravi.bangoria@amd.com>
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On Mon, Apr 25, 2022 at 10:13:17AM +0530, Ravi Bangoria wrote:
> IBS support has been enhanced with two new features in upcoming uarch:
> 1. DataSrc extension and 2. L3 Miss Filtering capability. Both are
> indicated by CPUID_Fn8000001B_EAX bit 11.

Hi Ravi, could you perhaps also look at fixing this existing IBS
problem?

  https://lkml.kernel.org/r/YlVPpVC8chepOdzJ@hirez.programming.kicks-ass.net