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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 03:28:44 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 03:28:44 +0200 |
commit | 222a21d29521d144f3dd7a0bc4d4020e448f0126 (patch) | |
tree | 4685c2b74451716ed873471425c2f33b0c17aa81 /drivers/hwmon/coretemp.c | |
parent | Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
parent | perf/x86/intel/rapl: Cosmetic rename internal variables in response to multi-... (diff) | |
download | linux-222a21d29521d144f3dd7a0bc4d4020e448f0126.tar.xz linux-222a21d29521d144f3dd7a0bc4d4020e448f0126.zip |
Merge branch 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 topology updates from Ingo Molnar:
"Implement multi-die topology support on Intel CPUs and expose the die
topology to user-space tooling, by Len Brown, Kan Liang and Zhang Rui.
These changes should have no effect on the kernel's existing
understanding of topologies, i.e. there should be no behavioral impact
on cache, NUMA, scheduler, perf and other topologies and overall
system performance"
* 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/rapl: Cosmetic rename internal variables in response to multi-die/pkg support
perf/x86/intel/uncore: Cosmetic renames in response to multi-die/pkg support
hwmon/coretemp: Cosmetic: Rename internal variables to zones from packages
thermal/x86_pkg_temp_thermal: Cosmetic: Rename internal variables to zones from packages
perf/x86/intel/cstate: Support multi-die/package
perf/x86/intel/rapl: Support multi-die/package
perf/x86/intel/uncore: Support multi-die/package
topology: Create core_cpus and die_cpus sysfs attributes
topology: Create package_cpus sysfs attribute
hwmon/coretemp: Support multi-die/package
powercap/intel_rapl: Update RAPL domain name and debug messages
thermal/x86_pkg_temp_thermal: Support multi-die/package
powercap/intel_rapl: Support multi-die/package
powercap/intel_rapl: Simplify rapl_find_package()
x86/topology: Define topology_logical_die_id()
x86/topology: Define topology_die_id()
cpu/topology: Export die_id
x86/topology: Create topology_max_die_per_package()
x86/topology: Add CPUID.1F multi-die/package support
Diffstat (limited to 'drivers/hwmon/coretemp.c')
-rw-r--r-- | drivers/hwmon/coretemp.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 4d0d6c86c12f..fe6618e49dc4 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -96,10 +96,10 @@ struct platform_data { struct device_attribute name_attr; }; -/* Keep track of how many package pointers we allocated in init() */ -static int max_packages __read_mostly; -/* Array of package pointers. Serialized by cpu hotplug lock */ -static struct platform_device **pkg_devices; +/* Keep track of how many zone pointers we allocated in init() */ +static int max_zones __read_mostly; +/* Array of zone pointers. Serialized by cpu hotplug lock */ +static struct platform_device **zone_devices; static ssize_t show_label(struct device *dev, struct device_attribute *devattr, char *buf) @@ -422,10 +422,10 @@ static int chk_ucode_version(unsigned int cpu) static struct platform_device *coretemp_get_pdev(unsigned int cpu) { - int pkgid = topology_logical_package_id(cpu); + int id = topology_logical_die_id(cpu); - if (pkgid >= 0 && pkgid < max_packages) - return pkg_devices[pkgid]; + if (id >= 0 && id < max_zones) + return zone_devices[id]; return NULL; } @@ -531,7 +531,7 @@ static int coretemp_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct platform_data *pdata; - /* Initialize the per-package data structures */ + /* Initialize the per-zone data structures */ pdata = devm_kzalloc(dev, sizeof(struct platform_data), GFP_KERNEL); if (!pdata) return -ENOMEM; @@ -566,13 +566,13 @@ static struct platform_driver coretemp_driver = { static struct platform_device *coretemp_device_add(unsigned int cpu) { - int err, pkgid = topology_logical_package_id(cpu); + int err, zoneid = topology_logical_die_id(cpu); struct platform_device *pdev; - if (pkgid < 0) + if (zoneid < 0) return ERR_PTR(-ENOMEM); - pdev = platform_device_alloc(DRVNAME, pkgid); + pdev = platform_device_alloc(DRVNAME, zoneid); if (!pdev) return ERR_PTR(-ENOMEM); @@ -582,7 +582,7 @@ static struct platform_device *coretemp_device_add(unsigned int cpu) return ERR_PTR(err); } - pkg_devices[pkgid] = pdev; + zone_devices[zoneid] = pdev; return pdev; } @@ -690,7 +690,7 @@ static int coretemp_cpu_offline(unsigned int cpu) * the rest. */ if (cpumask_empty(&pd->cpumask)) { - pkg_devices[topology_logical_package_id(cpu)] = NULL; + zone_devices[topology_logical_die_id(cpu)] = NULL; platform_device_unregister(pdev); return 0; } @@ -728,10 +728,10 @@ static int __init coretemp_init(void) if (!x86_match_cpu(coretemp_ids)) return -ENODEV; - max_packages = topology_max_packages(); - pkg_devices = kcalloc(max_packages, sizeof(struct platform_device *), + max_zones = topology_max_packages() * topology_max_die_per_package(); + zone_devices = kcalloc(max_zones, sizeof(struct platform_device *), GFP_KERNEL); - if (!pkg_devices) + if (!zone_devices) return -ENOMEM; err = platform_driver_register(&coretemp_driver); @@ -747,7 +747,7 @@ static int __init coretemp_init(void) outdrv: platform_driver_unregister(&coretemp_driver); - kfree(pkg_devices); + kfree(zone_devices); return err; } module_init(coretemp_init) @@ -756,7 +756,7 @@ static void __exit coretemp_exit(void) { cpuhp_remove_state(coretemp_hp_online); platform_driver_unregister(&coretemp_driver); - kfree(pkg_devices); + kfree(zone_devices); } module_exit(coretemp_exit) |