---
kernel/cobalt/arch/arm/thread.c | 30 ------------------------------
kernel/cobalt/arch/powerpc/thread.c | 9 ---------
kernel/cobalt/arch/sh/thread.c | 14 --------------
3 files changed, 53 deletions(-)
diff --git a/kernel/cobalt/arch/arm/thread.c b/kernel/cobalt/arch/arm/thread.c
index e29c607..a73eded 100644
--- a/kernel/cobalt/arch/arm/thread.c
+++ b/kernel/cobalt/arch/arm/thread.c
@@ -33,20 +33,6 @@ asmlinkage void __asm_thread_trampoline(void);
#ifdef CONFIG_XENO_HW_FPU
-static inline void do_init_fpu(struct arm_fpustate *fpuenv)
-{
- fp_init(&fpuenv->fpstate);
-#if defined(CONFIG_VFP)
- /* vfpstate has already been zeroed by xnarch_init_fpu */
- fpuenv->vfpstate.hard.fpexc = FPEXC_EN;
- fpuenv->vfpstate.hard.fpscr = FPSCR_ROUND_NEAREST;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) \
- || defined(CONFIG_VFP_3_2_BACKPORT)) && defined(CONFIG_SMP)
- fpuenv->vfpstate.hard.cpu = NR_CPUS;
-#endif /* linux >= 3.2.0 */
-#endif
-}
-
#define task_fpenv(task) \
((struct arm_fpustate *) &task_thread_info(task)->used_cp[0])
@@ -341,22 +327,6 @@ void xnarch_enable_fpu(struct xnarchtcb *tcb)
#endif /* CONFIG_XENO_HW_FPU */
}
-void xnarch_init_fpu(struct xnarchtcb *tcb)
-{
- /*
- * This must run on behalf of the thread we initialize the FPU
- * for.
- */
-#ifdef CONFIG_XENO_HW_FPU
- memset(&tcb->fpuenv, 0, sizeof(tcb->fpuenv));
- do_init_fpu(&tcb->fpuenv);
-#ifdef CONFIG_VFP
- do_enable_fpu();
- do_restore_fpu(&tcb->fpuenv);
-#endif /* CONFIG_VFP */
-#endif /* CONFIG_XENO_HW_FPU */
-}
-
void xnarch_save_fpu(struct xnarchtcb *tcb)
{
#ifdef CONFIG_XENO_HW_FPU
diff --git a/kernel/cobalt/arch/powerpc/thread.c
b/kernel/cobalt/arch/powerpc/thread.c
index 1ee8c57..d6f2e74 100644
--- a/kernel/cobalt/arch/powerpc/thread.c
+++ b/kernel/cobalt/arch/powerpc/thread.c
@@ -115,15 +115,6 @@ asmlinkage void __asm_restore_fpu(struct thread_struct
*ts);
})
#endif /* CONFIG_PPC64 */
-void xnarch_init_fpu(struct xnarchtcb *tcb)
-{
- /*
- * This must run on behalf of the thread we initialize the FPU
- * for. All FPU regs are guaranteed zero.
- */
- __asm_init_fpu(&tcb->core.ts);
-}
-
void xnarch_enable_fpu(struct xnarchtcb *tcb)
{
struct task_struct *task = tcb->core.host_task;
diff --git a/kernel/cobalt/arch/sh/thread.c b/kernel/cobalt/arch/sh/thread.c
index 5ef75d3..e4d8414 100644
--- a/kernel/cobalt/arch/sh/thread.c
+++ b/kernel/cobalt/arch/sh/thread.c
@@ -226,20 +226,6 @@ static inline void do_restore_fpu(struct thread_struct *ts)
:"memory");
}
-static inline void do_init_fpu(struct thread_struct *ts)
-{
- do_restore_fpu(ts);
-}
-
-void xnarch_init_fpu(struct xnarchtcb *tcb)
-{
- /*
- * This must run on behalf of the thread we initialize the FPU
- * for. All FPU regs are guaranteed zero.
- */
- do_init_fpu(&tcb->core.ts);
-}
-
inline void xnarch_enable_fpu(struct xnarchtcb *tcb)
{
struct task_struct *task = tcb->core.host_task;
--
1.7.10.4
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