linux-kernel - RE: [PATCH v5] perf: arm_cspmu: Separate Arm and vendor module

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Date:   Fri, 18 Aug 2023 16:22:30 +0000
From:   Besar Wicaksono <bwicaksono@...dia.com>
To:     Will Deacon <will@...nel.org>
CC:     "suzuki.poulose@....com" <suzuki.poulose@....com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "ilkka@...amperecomputing.com" <ilkka@...amperecomputing.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Vikram Sethi <vsethi@...dia.com>,
        Richard Wiley <rwiley@...dia.com>,
        Eric Funsten <efunsten@...dia.com>
Subject: RE: [PATCH v5] perf: arm_cspmu: Separate Arm and vendor module

Hi Will,


> -----Original Message-----
> From: Will Deacon <will@...nel.org>
> Sent: Friday, August 18, 2023 11:06 AM
> To: Besar Wicaksono <bwicaksono@...dia.com>
> Cc: suzuki.poulose@....com; robin.murphy@....com;
> ilkka@...amperecomputing.com; catalin.marinas@....com;
> mark.rutland@....com; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; linux-tegra@...r.kernel.org; Thierry Reding
> <treding@...dia.com>; Jonathan Hunter <jonathanh@...dia.com>; Vikram
> Sethi <vsethi@...dia.com>; Richard Wiley <rwiley@...dia.com>; Eric Funsten
> <efunsten@...dia.com>
> Subject: Re: [PATCH v5] perf: arm_cspmu: Separate Arm and vendor module
> 
> External email: Use caution opening links or attachments
> 
> 
> On Fri, Aug 18, 2023 at 05:05:36PM +0100, Will Deacon wrote:
> > On Wed, Jul 05, 2023 at 05:47:45AM -0500, Besar Wicaksono wrote:
> > > Arm Coresight PMU driver consists of main standard code and
> > > vendor backend code. Both are currently built as a single module.
> > > This patch adds vendor registration API to separate the two to
> > > keep things modular. The main driver requests each known backend
> > > module during initialization and defer device binding process.
> > > The backend module then registers an init callback to the main
> > > driver and continue the device driver binding process.
> > >
> > > Signed-off-by: Besar Wicaksono <bwicaksono@...dia.com>
> > > ---
> > >
> > > Changes from v4:
> > >  * Fix warning reported by kernel test robot
> > > v4: https://lore.kernel.org/linux-arm-kernel/20230620041438.32514-1-
> bwicaksono@...dia.com/T/#u
> >
> > Do you plan to send a v5 addressing Suzuki's comments? This series is
> > blocking the Ampere work from Ilkka.
> 
> s/v5/v6/ !
> 

Sorry for the delay.
I will send a follow up patch soon.

Regards,
Besar