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-rw-r--r--arch/x86/kernel/process.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 99025e32f105..f3f251787b99 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -32,6 +32,7 @@
#include <asm/mwait.h>
#include <asm/fpu/api.h>
#include <asm/fpu/sched.h>
+#include <asm/fpu/xstate.h>
#include <asm/debugreg.h>
#include <asm/nmi.h>
#include <asm/tlbflush.h>
@@ -90,9 +91,18 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
#endif
/* Drop the copied pointer to current's fpstate */
dst->thread.fpu.fpstate = NULL;
+
return 0;
}
+#ifdef CONFIG_X86_64
+void arch_release_task_struct(struct task_struct *tsk)
+{
+ if (fpu_state_size_dynamic())
+ fpstate_free(&tsk->thread.fpu);
+}
+#endif
+
/*
* Free thread data structures etc..
*/