Starting from kernel 4.19, we need to restore the FPU context from our
scheduling tail.
Signed-off-by: Philippe Gerum <r...@xenomai.org>
---
kernel/cobalt/arch/arm64/thread.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/cobalt/arch/arm64/thread.c
b/kernel/cobalt/arch/arm64/thread.c
index 270c99f92..719c30a62 100644
--- a/kernel/cobalt/arch/arm64/thread.c
+++ b/kernel/cobalt/arch/arm64/thread.c
@@ -139,6 +139,9 @@ void xnarch_switch_to(struct xnthread *out, struct xnthread
*in)
(void)last;
#else
switch_to(prev, next, last);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0)
+ fpsimd_restore_current_state();
+#endif
#endif
}
--
2.21.0
