On Thu, 14 Nov 2024 09:53:32 +0000, Will Deacon wrote:
Commit 18011eac28c7 ("arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks") tried to optimise the context switching of tpidrro_el0 by eliding the clearing of the register when switching to a native task with kpti enabled, on the erroneous assumption that the kpti trampoline entry code would already have taken care of the write.
[...]
Applied to arm64 (for-next/misc), thanks!
[1/1] arm64: tls: Fix context-switching of tpidrro_el0 when kpti is enabled https://git.kernel.org/arm64/c/67ab51cbdfee