Re: [REPORT] RESERVE_BRK() doesn't work for some cases

From: Josh Poimboeuf
Date: Wed Jun 08 2022 - 22:45:32 EST


On Thu, Jun 09, 2022 at 10:30:51AM +0900, Byungchul Park wrote:
> commit a1e2c031ec3 "x86/mm: Simplify RESERVE_BRK()" changed the behavior
> by compiler and assembler.
>
> Some strings obtained just by __stringify() cannot be interpreted by
> some assemblers.
>
> It might need to allow to put input for size within inline asm.

Yes, this was reported already. I'm posting a v2 fix tomorrow.

--
Josh