Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

[linux.git] / arch / mips / include / asm / fpu.h

diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 9cbf383b8834c7551820930b0dc98a66895012fa..f06f97bd62df906bf4160594119dec4d52b028eb 100644 (file)
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -179,6 +179,10 @@ static inline void lose_fpu_inatomic(int save, struct task_struct *tsk)
                if (save)
                        _save_fp(tsk);
                __disable_fpu();
+       } else {
+               /* FPU should not have been left enabled with no owner */
+               WARN(read_c0_status() & ST0_CU1,
+                    "Orphaned FPU left enabled");
        }
        KSTK_STATUS(tsk) &= ~ST0_CU1;
        clear_tsk_thread_flag(tsk, TIF_USEDFPU);