Re: [PATCH] arm64: kasan: fix include error in MTE functions

[Will Deacon]

On Tue, Mar 08, 2022 at 10:30:58AM +0100, Paul Semel wrote:
> Fix `error: expected string literal in 'asm'`.
> This happens when compiling an ebpf object file that includes
> `net/net_namespace.h` from linux kernel headers.
> 
> Include trace:
>     include/net/net_namespace.h:10
>     include/linux/workqueue.h:9
>     include/linux/timer.h:8
>     include/linux/debugobjects.h:6
>     include/linux/spinlock.h:90
>     include/linux/workqueue.h:9
>     arch/arm64/include/asm/spinlock.h:9
>     arch/arm64/include/generated/asm/qrwlock.h:1
>     include/asm-generic/qrwlock.h:14
>     arch/arm64/include/asm/processor.h:33
>     arch/arm64/include/asm/kasan.h:9
>     arch/arm64/include/asm/mte-kasan.h:45
>     arch/arm64/include/asm/mte-def.h:14

Do you know where this issue was introduced? I can't tell whether this patch
is a fix for 5.17, or something needed only for 5.18 (and if so, which tree
introduced the problem).

Thanks,

Will