Re: [PATCH RFC v3 21/21] cpumask: Add enabled cpumask for present CPUs that can be brought online
"Russell King (Oracle)" <[email protected]> Mon, 18 Dec 2023 12:14:14 +0000
| Newsgroups | org.kernel.vger.linux-ia64,dev.linux.lists.acpica-devel,dev.linux.lists.kvmarm,dev.linux.lists.loongarch,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-acpi,org.kernel.vger.linux-arch,org.kernel.vger.linux-csky,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-parisc,org.kernel.vger.linux-pm |
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| Message-ID | <ZYA3lmPOwIOJq/[email protected]> |
On Fri, Dec 15, 2023 at 05:18:31PM +0000, Jonathan Cameron wrote: > On Wed, 13 Dec 2023 12:50:59 +0000 > Russell King (Oracle) <[email protected]> wrote: > > > From: James Morse <[email protected]> > > > > The 'offline' file in sysfs shows all offline CPUs, including those > > that aren't present. User-space is expected to remove not-present CPUs > > from this list to learn which CPUs could be brought online. > > > > CPUs can be present but not-enabled. These CPUs can't be brought online > > until the firmware policy changes, which comes with an ACPI notification > > that will register the CPUs. > > > > With only the offline and present files, user-space is unable to > > determine which CPUs it can try to bring online. Add a new CPU mask > > that shows this based on all the registered CPUs. > > > > Signed-off-by: James Morse <[email protected]> > > Tested-by: Miguel Luis <[email protected]> > > Tested-by: Vishnu Pajjuri <[email protected]> > > Tested-by: Jianyong Wu <[email protected]> > > --- > > Needs docs > Documentation/ABI/testing/sysfs-devices-system-cpu > seems to have the rest of the similar entries. Any ideas what I put in there as "Date" ? It seems to me that we have little idea when this might be merged.. I could use the date of the commit (Nov 2022). -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!