Re: [PATCH] slab: work around clang bug #42570

From: David Rientjes
Date: Fri Jul 12 2019 - 13:30:21 EST


On Fri, 12 Jul 2019, Arnd Bergmann wrote:

> Clang gets rather confused about two variables in the same special
> section when one of them is not initialized, leading to an assembler
> warning later:
>
> /tmp/slab_common-18f869.s: Assembler messages:
> /tmp/slab_common-18f869.s:7526: Warning: ignoring changed section attributes for .data..ro_after_init
>
> Adding an initialization to kmalloc_caches is rather silly here
> but does avoid the issue.
>
> Link: https://bugs.llvm.org/show_bug.cgi?id=42570
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Let me followup on the clang bug as well.