On 1/10/25 09:46, Xin Li (Intel) wrote:
...> Fix the bug through resynchronizing the FRED RSP0 MSR with its
per-CPU cache in cpu_init_fred_exceptions().
Fixes: fe85ee391966 ("x86/entry: Set FRED RSP0 on return to userspace instead of context switch")
Signed-off-by: Xin Li (Intel) <xin@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Thanks for the update:
Acked-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
I'll probably do a wee bit of testing today and apply to the urgent pile
early next week.