Re: [PATCH 0/4] arch, mm: improve robustness of direct map manipulation
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Date: 2020-10-26 01:14:04
Also in:
linux-arm-kernel, linux-mm, linux-pm, linux-riscv, linux-s390, lkml, sparclinux
On Sun, 2020-10-25 at 12:15 +0200, Mike Rapoport wrote:
Indeed, for architectures that define CONFIG_ARCH_HAS_SET_DIRECT_MAP it is possible that __kernel_map_pages() would fail, but since this function is void, the failure will go unnoticed.
Could you elaborate on how this could happen? Do you mean during runtime today or if something new was introduced?