[PATCH 3.2.x] cobalt/x86: Account for changes to switch_fpu_finish in 5.4.182

[Jan Kiszka via Xenomai]

From: Jan Kiszka <jan.kis...@siemens.com>

The signature of switch_fpu_finish changed in stable 5.4.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
 kernel/cobalt/arch/x86/ipipe/thread.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/cobalt/arch/x86/ipipe/thread.c 
b/kernel/cobalt/arch/x86/ipipe/thread.c
index dd97a5d32c..7e28903a42 100644
--- a/kernel/cobalt/arch/x86/ipipe/thread.c
+++ b/kernel/cobalt/arch/x86/ipipe/thread.c
@@ -425,7 +425,9 @@ void xnarch_leave_root(struct xnthread *root)
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)
        /* restore current's fpregs */
        __cpu_invalidate_fpregs_state();
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,182)
+       switch_fpu_finish(current);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0)
        switch_fpu_finish(&current->thread.fpu);
 #else
        switch_fpu_finish(&current->thread.fpu, raw_smp_processor_id());
-- 
2.35.3