On Tue, 21 Nov 2017, Andy Lutomirski wrote: > On 64-bit kernels, we used to assume that TSS.sp0 was the current > top of stack. With the addition of an entry trampoline, this will > no longer be the case. Store the current top of stack in TSS.sp1, > which is otherwise unused but shares the same cacheline. > > Signed-off-by: Andy Lutomirski <l...@kernel.org>
Reviewed-by: Thomas Gleixner <t...@linutronix.de>
