On Mon, Dec 18, 2023 at 10:23 AM Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx> wrote: > > On Fri, Dec 15, 2023 at 04:53:28PM +0000, Russell King (Oracle) wrote: > > On Fri, Dec 15, 2023 at 04:23:22PM +0000, Jonathan Cameron wrote: > > > On Wed, 13 Dec 2023 12:50:18 +0000 > > > Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> wrote: > > > > > > > From: James Morse <james.morse@xxxxxxx> > > > > > > > > Add the new flag field to the MADT's GICC structure. > > > > > > > > 'Online Capable' indicates a disabled CPU can be enabled later. See > > > > ACPI specification 6.5 Tabel 5.37: GICC CPU Interface Flags. > > > > > > > > Signed-off-by: James Morse <james.morse@xxxxxxx> > > > > Tested-by: Miguel Luis <miguel.luis@xxxxxxxxxx> > > > > Tested-by: Vishnu Pajjuri <vishnu@xxxxxxxxxxxxxxxxxxxxxx> > > > > Tested-by: Jianyong Wu <jianyong.wu@xxxxxxx> > > > > Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> > > > > > > I see there is an acpica pull request including this bit but with a different name > > > For reference. > > > https://github.com/acpica/acpica/pull/914/commits/453a5f67567786522021d5f6913f561f8b3cabf6 > > > > > > +CC Lorenzo who submitted that. > > > > > > +#define ACPI_MADT_GICC_CPU_CAPABLE (1<<3) /* 03: CPU is online capable */ > > > > > > ACPI_MADT_GICC_ONLINE_CAPABLE > > > > It's somewhat disappointing, but no big deal. It's easy enough to change > > "irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs" > > to use Lorenzo's name when that patch hits - and it becomes one less > > patch in this patch set when Lorenzo's change eventually hits mainline. > > > > Does anyone know how long it may take for Lorenzo's change to get into > > mainline? Would it be by the 6.8 merge window or the following one? > > I wish I knew. I submitted ACPICA changes for the online capable bit > since I had to add additional flags on top (ie DMA coherent) and it > would not make sense to submit the latter without the former. > > I'd be great if the ACPICA headers can make it into Linux for the upcoming > merge window, not sure what I can do to fasttrack the process though > (I shall ping the maintainers). If your upstream pull request has been merged, I can pick up Linux patches carrying Link: tags pointing to the upstream ACPICA commits in that pull request. Thanks!
