Re: [PATCH] Arm64: fix build with gcc 10

[Jan Beulich <jbeulich@xxxxxxxx>]

On 08.09.2020 15:03, Julien Grall wrote:
> I would suggest: "xen/arm64: Force GCC to always inline generic atomics 
> helpers".
> 
> On 08/09/2020 13:53, Jan Beulich wrote:
>> With gcc10 inlining is (no longer?) the default for certain atomics.
> 
> How about the following:
> 
> "Recent versions of GCC (at least GCC10) will not inline generic atomics 
> helpers. Instead it will expect the software to either link with 
> libatomic.so or implement the helpers.
> 
> To keep the previous behavior, force GCC to always inline the generic 
> atomics helpers.
> 
> Long term we probably want to avoid relying on GCC atomics helpers as 
> this doesn't allow us to switch between LSE and LL/SC atomic.
> "

Fine with me; I've edited it further very slightly.

Jan