Open kees opened 2 years ago
https://docs.google.com/presentation/d/1YMlOERClX6Yi8Fb9DYxBBJ5MYB1C-_F75XKkoSmbl8k/edit https://elixir.bootlin.com/linux/v5.15/source/kernel/entry/common.c#L212
Check for corruption of TIF_SECCOMP. This shouldn't be expensive, but it's possible the check will hit a separate cacheline?
https://docs.google.com/presentation/d/1YMlOERClX6Yi8Fb9DYxBBJ5MYB1C-_F75XKkoSmbl8k/edit https://elixir.bootlin.com/linux/v5.15/source/kernel/entry/common.c#L212
Check for corruption of TIF_SECCOMP. This shouldn't be expensive, but it's possible the check will hit a separate cacheline?