Re: [PATCH -rcu/dev] Please squash: fixup! rcu/tree: Add basic support for kfree_rcu() batching

From: Paul Walmsley
Date: Sat Aug 17 2019 - 00:42:41 EST

On Sat, 17 Aug 2019, Joel Fernandes (Google) wrote:

> xchg() on a bool is causing issues on riscv and arm32.

Indeed, it seems best not to use xchg() on any type that's not 32 bits
long or that's not the CPU's native word size. Probably we should update
the documentation.

> Please squash this into the -rcu dev branch to resolve the issue.
> Please squash this fix.
> Fixes: -rcu dev commit 3cbd3aa7d9c7bdf ("rcu/tree: Add basic support for kfree_rcu() batching")
> Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>

Reviewed-by: Paul Walmsley <paul.walmsley@xxxxxxxxxx>

- Paul