Thread (8 messages) 8 messages, 3 authors, 2017-11-01

Re: [PATCH v4 04/13] arm64: alternatives: use tpidr_el2 on VHE hosts

From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2017-10-18 11:00:08
Also in: kvmarm, linux-arm-kernel

On Tue, Oct 17, 2017 at 06:44:23PM +0100, James Morse wrote:
Now that KVM uses tpidr_el2 in the same way as Linux's cpu_offset in
tpidr_el1, merge the two. This saves KVM from save/restoring tpidr_el1
on VHE hosts, and allows future code to blindly access per-cpu variables
without triggering world-switch.

Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Christoffer Dall <redacted>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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