Re: [PATCH v2 5/8] riscv: mm: Take memory hotplug read-lock during kernel page table dump

On Tue, May 14, 2024 at 04:04:43PM +0200, Björn Töpel wrote: > From: Björn Töpel > > During memory hot remove, the ptdump functionality can end up touching > stale data. Avoid any potential crashes (or worse), by holding the > memory hotplug read-lock while traversing the page table. > > This

Re: [PATCH v2 5/8] riscv: mm: Take memory hotplug read-lock during kernel page table dump

On 14.05.24 16:04, Björn Töpel wrote: From: Björn Töpel During memory hot remove, the ptdump functionality can end up touching stale data. Avoid any potential crashes (or worse), by holding the memory hotplug read-lock while traversing the page table. This change is analogous to arm64's

[PATCH v2 5/8] riscv: mm: Take memory hotplug read-lock during kernel page table dump

From: Björn Töpel During memory hot remove, the ptdump functionality can end up touching stale data. Avoid any potential crashes (or worse), by holding the memory hotplug read-lock while traversing the page table. This change is analogous to arm64's commit bf2b59f60ee1 ("arm64/mm: Hold memory