From 4814edca5904d2527f69bfb28f1211ea09effa57 Mon Sep 17 00:00:00 2001
From: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
Date: Thu, 26 Sep 2024 15:15:23 +0200
Subject: [PATCH] arch/intel64: optimise context switch

We save interrupted TCB state on tcb->xcp.regs not interrupt stack now
which allows us to remove x86_64_savestate() from up_switch_context()
and other places.

Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>