Click the card below to follow Arm Technology Academy This article is selected from the “Arm Selection” column of Jishu, authorized to be reprinted from the WeChat public account Arm Selection. The author is ctw, who believes that code changes the world. This article will guide you through the knowledge related to the exclusive mechanism. … Read more
Author | baron Source | Arm Selected Note: Although this article uses the spinlock function as an example, it does not provide an in-depth analysis of the spinlock function. The focus of this article is on the exclusive mechanism. Basic Knowledge Each core has an Internal Exclusive Monitor, which has open and exclusive states, managing: … Read more
Note: Although this article uses the spinlock function as an example, it will not delve deeply into the spinlock function. The focus of this article is on the exclusive mechanism. Basic Knowledge Each core has an Internal Exclusive Monitor, which has open and exclusive states, managing: Load-Exclusive accesses, Store-Exclusive accesses, and Clear-Exclusive (CLREX) instructions. Load-Exclusive … Read more