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73c58e7e14
Add support for HOTPLUG_SMT, which enables the generic sysfs SMT support files in /sys/devices/system/cpu/smt, as well as the "nosmt" boot parameter. Implement the recently added hooks to allow partial SMT states, allow any number of threads per core. Tie the config symbol to HOTPLUG_CPU, which enables it on the major platforms that support SMT. If there are other platforms that want the SMT support that can be tweaked in future. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> [ldufour: remove topology_smt_supported] [ldufour: remove topology_smt_threads_supported] [ldufour: select CONFIG_SMT_NUM_THREADS_DYNAMIC] [ldufour: update kernel-parameters.txt] Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> Link: https://msgid.link/20230705145143.40545-10-ldufour@linux.ibm.com |
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| .. | ||
| ABI | ||
| accel | ||
| accounting | ||
| admin-guide | ||
| arch | ||
| block | ||
| bpf | ||
| cdrom | ||
| core-api | ||
| cpu-freq | ||
| crypto | ||
| dev-tools | ||
| devicetree | ||
| doc-guide | ||
| driver-api | ||
| fault-injection | ||
| fb | ||
| features | ||
| filesystems | ||
| firmware-guide | ||
| firmware_class | ||
| fpga | ||
| gpu | ||
| hid | ||
| hwmon | ||
| i2c | ||
| iio | ||
| images | ||
| infiniband | ||
| input | ||
| isdn | ||
| kbuild | ||
| kernel-hacking | ||
| leds | ||
| litmus-tests | ||
| livepatch | ||
| locking | ||
| loongarch | ||
| maintainer | ||
| mhi | ||
| mips | ||
| misc-devices | ||
| mm | ||
| netlabel | ||
| netlink | ||
| networking | ||
| nvdimm | ||
| nvme | ||
| PCI | ||
| pcmcia | ||
| peci | ||
| power | ||
| powerpc | ||
| process | ||
| RCU | ||
| riscv | ||
| rust | ||
| s390 | ||
| scheduler | ||
| scsi | ||
| security | ||
| sound | ||
| sphinx | ||
| sphinx-static | ||
| spi | ||
| staging | ||
| target | ||
| timers | ||
| tools | ||
| trace | ||
| translations | ||
| usb | ||
| userspace-api | ||
| virt | ||
| w1 | ||
| watchdog | ||
| wmi | ||
| .gitignore | ||
| atomic_bitops.txt | ||
| atomic_t.txt | ||
| Changes | ||
| CodingStyle | ||
| conf.py | ||
| docutils.conf | ||
| dontdiff | ||
| index.rst | ||
| Kconfig | ||
| Makefile | ||
| memory-barriers.txt | ||
| SubmittingPatches | ||
| subsystem-apis.rst | ||