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Date: Tue, 24 Mar 2020 16:37:54 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
"the arch/x86 maintainers" <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>,
Viresh Kumar <viresh.kumar@...aro.org>,
Linux PM <linux-pm@...r.kernel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Len Brown <lenb@...nel.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
"open list:EDAC-CORE" <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 <linux-pci@...r.kernel.org>,
Takashi Iwai <tiwai@...e.com>,
"moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..."
<alsa-devel@...a-project.org>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
linux-crypto@...r.kernel.org
Subject: Re: [patch V2 09/22] cpufreq: Convert to new X86 CPU match macros
On Tue, Mar 24, 2020 at 2:52 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.
>
> Get rid the of most local macro wrappers for consistency. The ones which
> make sense for readability are renamed to X86_MATCH*.
>
> In the centrino driver this also removes the two extra duplicates of family
> 6 model 13 which have no value at all.
>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Cc: linux-pm@...r.kernel.org
> Cc: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
> Cc: Len Brown <lenb@...nel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
> V2: Add the dropped terminator in the centrino speedstep driver back. (Andy)
> ---
> drivers/cpufreq/acpi-cpufreq.c | 4 -
> drivers/cpufreq/amd_freq_sensitivity.c | 2
> drivers/cpufreq/e_powersaver.c | 2
> drivers/cpufreq/elanfreq.c | 2
> drivers/cpufreq/intel_pstate.c | 71 ++++++++++++++++-----------------
> drivers/cpufreq/longhaul.c | 2
> drivers/cpufreq/longrun.c | 3 -
> drivers/cpufreq/p4-clockmod.c | 2
> drivers/cpufreq/powernow-k6.c | 4 -
> drivers/cpufreq/powernow-k7.c | 2
> drivers/cpufreq/powernow-k8.c | 2
> drivers/cpufreq/sc520_freq.c | 2
> drivers/cpufreq/speedstep-centrino.c | 14 +-----
> drivers/cpufreq/speedstep-ich.c | 10 +---
> drivers/cpufreq/speedstep-smi.c | 10 +---
> 15 files changed, 59 insertions(+), 73 deletions(-)
>
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -991,8 +991,8 @@ late_initcall(acpi_cpufreq_init);
> module_exit(acpi_cpufreq_exit);
>
> static const struct x86_cpu_id acpi_cpufreq_ids[] = {
> - X86_FEATURE_MATCH(X86_FEATURE_ACPI),
> - X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
> + X86_MATCH_FEATURE(X86_FEATURE_ACPI, NULL),
> + X86_MATCH_FEATURE(X86_FEATURE_HW_PSTATE, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
> --- a/drivers/cpufreq/amd_freq_sensitivity.c
> +++ b/drivers/cpufreq/amd_freq_sensitivity.c
> @@ -144,7 +144,7 @@ static void __exit amd_freq_sensitivity_
> module_exit(amd_freq_sensitivity_exit);
>
> static const struct x86_cpu_id amd_freq_sensitivity_ids[] = {
> - X86_FEATURE_MATCH(X86_FEATURE_PROC_FEEDBACK),
> + X86_MATCH_FEATURE(X86_FEATURE_PROC_FEEDBACK, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, amd_freq_sensitivity_ids);
> --- a/drivers/cpufreq/e_powersaver.c
> +++ b/drivers/cpufreq/e_powersaver.c
> @@ -385,7 +385,7 @@ static struct cpufreq_driver eps_driver
> /* This driver will work only on Centaur C7 processors with
> * Enhanced SpeedStep/PowerSaver registers */
> static const struct x86_cpu_id eps_cpu_id[] = {
> - { X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_EST },
> + X86_MATCH_VENDOR_FAM_FEATURE(CENTAUR, 6, X86_FEATURE_EST, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, eps_cpu_id);
> --- a/drivers/cpufreq/elanfreq.c
> +++ b/drivers/cpufreq/elanfreq.c
> @@ -198,7 +198,7 @@ static struct cpufreq_driver elanfreq_dr
> };
>
> static const struct x86_cpu_id elan_id[] = {
> - { X86_VENDOR_AMD, 4, 10, },
> + X86_MATCH_VENDOR_FAM_MODEL(AMD, 4, 10, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, elan_id);
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -1909,51 +1909,51 @@ static const struct pstate_funcs knl_fun
> .get_val = core_get_val,
> };
>
> -#define ICPU(model, policy) \
> - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\
> - (unsigned long)&policy }
> +#define X86_MATCH(model, policy) \
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \
> + X86_FEATURE_APERFMPERF, &policy)
>
> static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
> - ICPU(INTEL_FAM6_SANDYBRIDGE, core_funcs),
> - ICPU(INTEL_FAM6_SANDYBRIDGE_X, core_funcs),
> - ICPU(INTEL_FAM6_ATOM_SILVERMONT, silvermont_funcs),
> - ICPU(INTEL_FAM6_IVYBRIDGE, core_funcs),
> - ICPU(INTEL_FAM6_HASWELL, core_funcs),
> - ICPU(INTEL_FAM6_BROADWELL, core_funcs),
> - ICPU(INTEL_FAM6_IVYBRIDGE_X, core_funcs),
> - ICPU(INTEL_FAM6_HASWELL_X, core_funcs),
> - ICPU(INTEL_FAM6_HASWELL_L, core_funcs),
> - ICPU(INTEL_FAM6_HASWELL_G, core_funcs),
> - ICPU(INTEL_FAM6_BROADWELL_G, core_funcs),
> - ICPU(INTEL_FAM6_ATOM_AIRMONT, airmont_funcs),
> - ICPU(INTEL_FAM6_SKYLAKE_L, core_funcs),
> - ICPU(INTEL_FAM6_BROADWELL_X, core_funcs),
> - ICPU(INTEL_FAM6_SKYLAKE, core_funcs),
> - ICPU(INTEL_FAM6_BROADWELL_D, core_funcs),
> - ICPU(INTEL_FAM6_XEON_PHI_KNL, knl_funcs),
> - ICPU(INTEL_FAM6_XEON_PHI_KNM, knl_funcs),
> - ICPU(INTEL_FAM6_ATOM_GOLDMONT, core_funcs),
> - ICPU(INTEL_FAM6_ATOM_GOLDMONT_PLUS, core_funcs),
> - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
> + X86_MATCH(SANDYBRIDGE, core_funcs),
> + X86_MATCH(SANDYBRIDGE_X, core_funcs),
> + X86_MATCH(ATOM_SILVERMONT, silvermont_funcs),
> + X86_MATCH(IVYBRIDGE, core_funcs),
> + X86_MATCH(HASWELL, core_funcs),
> + X86_MATCH(BROADWELL, core_funcs),
> + X86_MATCH(IVYBRIDGE_X, core_funcs),
> + X86_MATCH(HASWELL_X, core_funcs),
> + X86_MATCH(HASWELL_L, core_funcs),
> + X86_MATCH(HASWELL_G, core_funcs),
> + X86_MATCH(BROADWELL_G, core_funcs),
> + X86_MATCH(ATOM_AIRMONT, airmont_funcs),
> + X86_MATCH(SKYLAKE_L, core_funcs),
> + X86_MATCH(BROADWELL_X, core_funcs),
> + X86_MATCH(SKYLAKE, core_funcs),
> + X86_MATCH(BROADWELL_D, core_funcs),
> + X86_MATCH(XEON_PHI_KNL, knl_funcs),
> + X86_MATCH(XEON_PHI_KNM, knl_funcs),
> + X86_MATCH(ATOM_GOLDMONT, core_funcs),
> + X86_MATCH(ATOM_GOLDMONT_PLUS, core_funcs),
> + X86_MATCH(SKYLAKE_X, core_funcs),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
>
> static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = {
> - ICPU(INTEL_FAM6_BROADWELL_D, core_funcs),
> - ICPU(INTEL_FAM6_BROADWELL_X, core_funcs),
> - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
> + X86_MATCH(BROADWELL_D, core_funcs),
> + X86_MATCH(BROADWELL_X, core_funcs),
> + X86_MATCH(SKYLAKE_X, core_funcs),
> {}
> };
>
> static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = {
> - ICPU(INTEL_FAM6_KABYLAKE, core_funcs),
> + X86_MATCH(KABYLAKE, core_funcs),
> {}
> };
>
> static const struct x86_cpu_id intel_pstate_hwp_boost_ids[] = {
> - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs),
> - ICPU(INTEL_FAM6_SKYLAKE, core_funcs),
> + X86_MATCH(SKYLAKE_X, core_funcs),
> + X86_MATCH(SKYLAKE, core_funcs),
> {}
> };
>
> @@ -2726,13 +2726,14 @@ static inline void intel_pstate_request_
>
> #define INTEL_PSTATE_HWP_BROADWELL 0x01
>
> -#define ICPU_HWP(model, hwp_mode) \
> - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_HWP, hwp_mode }
> +#define X86_MATCH_HWP(model, hwp_mode) \
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \
> + X86_FEATURE_APERFMPERF, hwp_mode)
>
> static const struct x86_cpu_id hwp_support_ids[] __initconst = {
> - ICPU_HWP(INTEL_FAM6_BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL),
> - ICPU_HWP(INTEL_FAM6_BROADWELL_D, INTEL_PSTATE_HWP_BROADWELL),
> - ICPU_HWP(X86_MODEL_ANY, 0),
> + X86_MATCH_HWP(BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL),
> + X86_MATCH_HWP(BROADWELL_D, INTEL_PSTATE_HWP_BROADWELL),
> + X86_MATCH_HWP(ANY, 0),
> {}
> };
>
> --- a/drivers/cpufreq/longhaul.c
> +++ b/drivers/cpufreq/longhaul.c
> @@ -910,7 +910,7 @@ static struct cpufreq_driver longhaul_dr
> };
>
> static const struct x86_cpu_id longhaul_id[] = {
> - { X86_VENDOR_CENTAUR, 6 },
> + X86_MATCH_VENDOR_FAM(CENTAUR, 6, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, longhaul_id);
> --- a/drivers/cpufreq/longrun.c
> +++ b/drivers/cpufreq/longrun.c
> @@ -281,8 +281,7 @@ static struct cpufreq_driver longrun_dri
> };
>
> static const struct x86_cpu_id longrun_ids[] = {
> - { X86_VENDOR_TRANSMETA, X86_FAMILY_ANY, X86_MODEL_ANY,
> - X86_FEATURE_LONGRUN },
> + X86_MATCH_VENDOR_FEATURE(TRANSMETA, X86_FEATURE_LONGRUN, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, longrun_ids);
> --- a/drivers/cpufreq/p4-clockmod.c
> +++ b/drivers/cpufreq/p4-clockmod.c
> @@ -231,7 +231,7 @@ static struct cpufreq_driver p4clockmod_
> };
>
> static const struct x86_cpu_id cpufreq_p4_id[] = {
> - { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_ACC },
> + X86_MATCH_VENDOR_FEATURE(INTEL, X86_FEATURE_ACC, NULL),
> {}
> };
>
> --- a/drivers/cpufreq/powernow-k6.c
> +++ b/drivers/cpufreq/powernow-k6.c
> @@ -258,8 +258,8 @@ static struct cpufreq_driver powernow_k6
> };
>
> static const struct x86_cpu_id powernow_k6_ids[] = {
> - { X86_VENDOR_AMD, 5, 12 },
> - { X86_VENDOR_AMD, 5, 13 },
> + X86_MATCH_VENDOR_FAM_MODEL(AMD, 5, 12, NULL),
> + X86_MATCH_VENDOR_FAM_MODEL(AMD, 5, 13, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, powernow_k6_ids);
> --- a/drivers/cpufreq/powernow-k7.c
> +++ b/drivers/cpufreq/powernow-k7.c
> @@ -109,7 +109,7 @@ static int check_fsb(unsigned int fsbspe
> }
>
> static const struct x86_cpu_id powernow_k7_cpuids[] = {
> - { X86_VENDOR_AMD, 6, },
> + X86_MATCH_VENDOR_FAM(AMD, 6, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, powernow_k7_cpuids);
> --- a/drivers/cpufreq/powernow-k8.c
> +++ b/drivers/cpufreq/powernow-k8.c
> @@ -452,7 +452,7 @@ static int core_voltage_post_transition(
>
> static const struct x86_cpu_id powernow_k8_ids[] = {
> /* IO based frequency switching */
> - { X86_VENDOR_AMD, 0xf },
> + X86_MATCH_VENDOR_FAM(AMD, 0xf, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, powernow_k8_ids);
> --- a/drivers/cpufreq/sc520_freq.c
> +++ b/drivers/cpufreq/sc520_freq.c
> @@ -95,7 +95,7 @@ static struct cpufreq_driver sc520_freq_
> };
>
> static const struct x86_cpu_id sc520_ids[] = {
> - { X86_VENDOR_AMD, 4, 9 },
> + X86_MATCH_VENDOR_FAM_MODEL(AMD, 4, 9, NULL),
> {}
> };
> MODULE_DEVICE_TABLE(x86cpu, sc520_ids);
> --- a/drivers/cpufreq/speedstep-centrino.c
> +++ b/drivers/cpufreq/speedstep-centrino.c
> @@ -520,18 +520,12 @@ static struct cpufreq_driver centrino_dr
> * or ASCII model IDs.
> */
> static const struct x86_cpu_id centrino_ids[] = {
> - { X86_VENDOR_INTEL, 6, 9, X86_FEATURE_EST },
> - { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> - { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> - { X86_VENDOR_INTEL, 6, 13, X86_FEATURE_EST },
> - { X86_VENDOR_INTEL, 15, 3, X86_FEATURE_EST },
> - { X86_VENDOR_INTEL, 15, 4, X86_FEATURE_EST },
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, 9, X86_FEATURE_EST, NULL),
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, 13, X86_FEATURE_EST, NULL),
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 15, 3, X86_FEATURE_EST, NULL),
> + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 15, 4, X86_FEATURE_EST, NULL),
> {}
> };
> -#if 0
> -/* Autoload or not? Do not for now. */
> -MODULE_DEVICE_TABLE(x86cpu, centrino_ids);
> -#endif
>
> /**
> * centrino_init - initializes the Enhanced SpeedStep CPUFreq driver
> --- a/drivers/cpufreq/speedstep-ich.c
> +++ b/drivers/cpufreq/speedstep-ich.c
> @@ -319,15 +319,11 @@ static struct cpufreq_driver speedstep_d
> };
>
> static const struct x86_cpu_id ss_smi_ids[] = {
> - { X86_VENDOR_INTEL, 6, 0xb, },
> - { X86_VENDOR_INTEL, 6, 0x8, },
> - { X86_VENDOR_INTEL, 15, 2 },
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, 0x8, 0),
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, 0xb, 0),
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 15, 0x2, 0),
> {}
> };
> -#if 0
> -/* Autoload or not? Do not for now. */
> -MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids);
> -#endif
>
> /**
> * speedstep_init - initializes the SpeedStep CPUFreq driver
> --- a/drivers/cpufreq/speedstep-smi.c
> +++ b/drivers/cpufreq/speedstep-smi.c
> @@ -299,15 +299,11 @@ static struct cpufreq_driver speedstep_d
> };
>
> static const struct x86_cpu_id ss_smi_ids[] = {
> - { X86_VENDOR_INTEL, 6, 0xb, },
> - { X86_VENDOR_INTEL, 6, 0x8, },
> - { X86_VENDOR_INTEL, 15, 2 },
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, 0x8, 0),
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, 0xb, 0),
> + X86_MATCH_VENDOR_FAM_MODEL(INTEL, 15, 0x2, 0),
> {}
> };
> -#if 0
> -/* Not auto loaded currently */
> -MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids);
> -#endif
>
> /**
> * speedstep_init - initializes the SpeedStep CPUFreq driver
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