Rollup merge of #39200 - DirkyJerky:patch-1, r=steveklabnik
Rollup merge of #39200 - DirkyJerky:patch-1, r=steveklabnik

Docs for atomic orderings: link to the 'nomicon article for further reading

aidancully/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,aidancully/rust