Re: [PATCH RFC 00/18] arch, mm: create a generic set_memory/change_page_attr core
Adrian BarnaĆ <[email protected]> Wed, 22 Jul 2026 15:17:19 +0000
| Newsgroups | dev.linux.lists.loongarch,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel,org.kvack.linux-mm |
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| Message-ID | <[email protected]> |
On Tue, Jul 21, 2026 at 07:23:23PM +0300, Mike Rapoport (Microsoft) wrote: Hi Mike, >Once this settles, the next step I'm planning is to convert arm64. This >would be much more involved than loongarch and riscv together, so I >didn't even aspire to include arm64 in the first RFC. That said, I have >a very ugly arm64 prototype that rewrites arch/arm64/pageattr.c to use >the generic CPA infrastructure and replaces the existing implementation >of page table splits for systems that support bbml2. But there's a lot >of yak shaving there to get from a PoC to actual patches. Could you share your PoC for ARM64. I can help you with that and align my execmem rox cache for ARM64 changes to the desired shape of this API. Best regards, Adrian