linux-kernel - Re: [patch 08/22] ACPI: Convert to new X86 CPU match macros

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Message-ID: <87bloqpy1x.fsf@nanos.tec.linutronix.de>
Date:   Fri, 20 Mar 2020 21:32:26 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "maintainer\:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)" <x86@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Gross <mgross@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        linux-edac@...r.kernel.org,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-hwmon@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        Takashi Iwai <tiwai@...e.com>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto <linux-crypto@...r.kernel.org>
Subject: Re: [patch 08/22] ACPI: Convert to new X86 CPU match macros

Andy Shevchenko <andy.shevchenko@...il.com> writes:

> On Fri, Mar 20, 2020 at 3:19 PM Thomas Gleixner <tglx@...utronix.de> wrote:
>>
>> The new macro set has a consistent namespace and uses C99 initializers
>> instead of the grufty C89 ones.
>>
>> Rename the local macro wrapper to X86_MATCH for consistency. It stays for
>> readability sake.
>
>> +       X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT,     NULL),
>> +       X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT,        NULL),
>
>> -#define ICPU(model)    { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, }
>> +#define X86_MATCH(model)       X86_MATCH_INTEL_FAM6_MODEL(model, NULL)
>
> Maybe we can do a generic macro to avoid all these ', NULL' repetitions?

I opted for having the data argument everywhere to keep the macro maze
small. And we have enough places where data is actually used.

Thanks,

        tglx