[PATCH v2] arm64: add the printing of tpidr_elx in __show_regs()

Will Deacon will at kernel.org
Thu Apr 28 03:23:01 PDT 2022


On Wed, Apr 27, 2022 at 07:40:15PM +0100, Catalin Marinas wrote:
> On Wed, 16 Mar 2022 14:24:08 +0800, Zhen Lei wrote:
> > Commit 7158627686f0 ("arm64: percpu: implement optimised pcpu access
> > using tpidr_el1") and commit 6d99b68933fb ("arm64: alternatives: use
> > tpidr_el2 on VHE hosts") use tpidr_elx to cache my_cpu_offset to optimize
> > pcpu access. However, when performing reverse execution based on the
> > registers and the memory contents in kdump, this information is sometimes
> > required if there is a pcpu access.
> > 
> > [...]
> 
> Applied to arm64 (for-next/misc), thanks!
> 
> [1/1] arm64: add the printing of tpidr_elx in __show_regs()
>       https://git.kernel.org/arm64/c/9ec393c812f2

heh, I wasn't expecting you to apply this, but also hadn't realised nobody
had reviewed it. I've replied with my concerns, so please can you drop it
for now?

Will



More information about the linux-arm-kernel mailing list