Messages in this thread | | | Date | Tue, 19 Jul 2022 13:00:44 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v4 1/2] arm64: topology: move store_cpu_topology() to shared code |
| |
On Tue, Jul 19, 2022 at 11:51:04AM +0000, Conor.Dooley@microchip.com wrote: > On 19/07/2022 12:41, Catalin Marinas wrote: > > On Fri, Jul 15, 2022 at 06:51:55PM +0100, Conor Dooley wrote: > >> From: Conor Dooley <conor.dooley@microchip.com> > >> > >> arm64's method of defining a default cpu topology requires only minimal > >> changes to apply to RISC-V also. The current arm64 implementation exits > >> early in a uniprocessor configuration by reading MPIDR & claiming that > >> uniprocessor can rely on the default values. > >> > >> This is appears to be a hangover from prior to '3102bc0e6ac7 ("arm64: > >> topology: Stop using MPIDR for topology information")', because the > >> current code just assigns default values for multiprocessor systems. > >> > >> With the MPIDR references removed, store_cpu_topolgy() can be moved to > >> the common arch_topology code. > >> > >> CC: stable@vger.kernel.org > > > > I'd quantify how far back you want this to go. IIUC based on the Fixes > > tag in the other patch, it should stop at 5.4. If you send a pull > > request instead and have a fixed commit id, you could add it as a > > prerequisite on the following patch without a cc stable here. > > I guess a PR might be the easiest way for it anyway, so that both > yourself and Palmer could merge it?
I guess so, a stable branch would do. Note that Will is handling the upcoming merging window.
-- Catalin
| |