linux-kernel - Re: [PATCH v2 0/3] Miscellaneous fixes for PMU driver

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Message-ID: <20220609135151.GA3064@willie-the-truck>
Date:   Thu, 9 Jun 2022 14:51:51 +0100
From:   Will Deacon <will@...nel.org>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     Atish Patra <atishp@...osinc.com>, mark.rutland@....com,
        linux-kernel@...r.kernel.org, atishp@...shpatra.org,
        anup@...infault.org, jszhang@...nel.org,
        linux-riscv@...ts.infradead.org,
        Paul Walmsley <paul.walmsley@...ive.com>, robh+dt@...nel.org
Subject: Re: [PATCH v2  0/3] Miscellaneous fixes for PMU driver

Hey Palmer,

On Wed, Jun 01, 2022 at 10:58:08PM -0700, Palmer Dabbelt wrote:
> On Thu, 12 May 2022 18:55:19 PDT (-0700), Atish Patra wrote:
> > This series fixes issues PMU driver code.
> > PATCH 1 & 3 are fixes for rv32 while PATCH 2 fixes a redundant
> > user page update issue during counter start.
> > 
> > Changes from v1->v2:
> > 1. Add proper compile time rv32 checks.
> > 
> > Atish Patra (3):
> > RISC-V: Fix counter restart during overflow for RV32
> > RISC-V: Update user page mapping only once during start
> > RISC-V: Fix SBI PMU calls for RV32
> > 
> > drivers/perf/riscv_pmu.c     |  1 -
> > drivers/perf/riscv_pmu_sbi.c | 16 ++++++++++++++++
> > 2 files changed, 16 insertions(+), 1 deletion(-)
> 
> +Will and Mark.
> 
> Will recently took some stuff for drivers/perf/riscv_* into his
> for-next/perf tree (which I didn't even know about until then, oops), but
> the previous stuff I took through the RISC-V tree.  Always happy to get
> stuff out of my tree, just LMK what you want me to do here.
> 
> I did some minor cleanups to the commit text and put them over at
> palmer/riscv-pmu_fixes, it's all passing my tests.  These generally look
> fine to me and they're all stable backports, so no big rush on the merge
> window (which I still have stuff for).

I don't have any perf driver fixes queued at the moment, so please just
include these changes along with any other riscv fixes you have.

Thanks,

Will