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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-21 12:21:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-21 12:21:53 +0300 |
| commit | 05df6ab8eba625a1d97eb67ee06d786b8e460685 (patch) | |
| tree | 7fed59b7f49fd8d816475ca6b20c95c7f837ca6f /drivers/platform/x86/intel/pmc/pltdrv.c | |
| parent | 1d926e259d8f8195fdfaeea7951149001894b473 (diff) | |
| parent | eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff) | |
| download | linux-05df6ab8eba625a1d97eb67ee06d786b8e460685.tar.xz | |
Merge 6.1-rc6 into driver-core-next
We need the kernfs changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/platform/x86/intel/pmc/pltdrv.c')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/pltdrv.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmc/pltdrv.c b/drivers/platform/x86/intel/pmc/pltdrv.c index 15ca8afdd973..ddfba38c2104 100644 --- a/drivers/platform/x86/intel/pmc/pltdrv.c +++ b/drivers/platform/x86/intel/pmc/pltdrv.c @@ -18,6 +18,8 @@ #include <asm/cpu_device_id.h> #include <asm/intel-family.h> +#include <xen/xen.h> + static void intel_pmc_core_release(struct device *dev) { kfree(dev); @@ -53,6 +55,13 @@ static int __init pmc_core_platform_init(void) if (acpi_dev_present("INT33A1", NULL, -1)) return -ENODEV; + /* + * Skip forcefully attaching the device for VMs. Make an exception for + * Xen dom0, which does have full hardware access. + */ + if (cpu_feature_enabled(X86_FEATURE_HYPERVISOR) && !xen_initial_domain()) + return -ENODEV; + if (!x86_match_cpu(intel_pmc_core_platform_ids)) return -ENODEV; |