FreeBSD Bugzilla – Attachment 203244 Details for
Bug 236513
HP Thin clients T620/T730 ACPI: Only CPU core 0 detects C2 state
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[patch]
acpi_cpu_noreserve.patch
file_236513.txt (text/plain), 616 bytes, created by
John Baldwin
on 2019-03-29 16:16:28 UTC
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Description:
acpi_cpu_noreserve.patch
Filename:
MIME Type:
Creator:
John Baldwin
Created:
2019-03-29 16:16:28 UTC
Size:
616 bytes
patch
obsolete
>Index: acpi.c >=================================================================== >--- acpi.c (revision 345014) >+++ acpi.c (working copy) >@@ -1353,6 +1353,14 @@ acpi_set_resource(device_t dev, device_t child, in > return (0); > > /* >+ * Don't reserve resources for CPU devices. Some of these devices >+ * need to be allocated as shareable, but reservations are always >+ * non-shareable. >+ */ >+ if (device_get_devclass(dev) == devclass_find("cpu")) >+ return (0); >+ >+ /* > * Reserve the resource. > * > * XXX: Ignores failure for now. Failure here is probably a
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