Re: [Qemu-devel] [PATCH v2 06/27] target/sh4: Handle user-space atomics

[Richard Henderson]

On 07/16/2017 11:43 AM, Aurelien Jarno wrote:
> Indeed, if the same atomic code is used often it might be better to have
> it cached. That said it's only true for TB that are recognized, as IIRC
> TB with the exclusive lock are not cached.

At the moment they are not.

But in Emilio's multi-threaded tcg v2 patch set, posted just today, we change 
that by adding a CF_PARALLEL flag to TB->cflags, and incorporating that into 
the tb hash.


r~