Re: [RFC PATCH 1/4] hazptr: Add initial implementation of hazard pointers

[Jonas Oberhauser]

Am 9/25/2024 um 12:02 PM schrieb Boqun Feng:
> Hi Jonas,
>
> Of
> course, if we are really worried about compilers being too "smart"

Ah, I see you know me better and better...

> we can always do the comparison in asm code, then compilers don't know
> anything of the equality between 'ptr' and 'head - head_offset'.
Yes, but then a simple compiler barrier between the comparison and 
returning ptr would also do the trick, right? And maybe easier on the eyes.


Have fun,
   jonas