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Diffstat (limited to 'arch/loongarch/kernel/signal.c')
-rw-r--r--arch/loongarch/kernel/signal.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/arch/loongarch/kernel/signal.c b/arch/loongarch/kernel/signal.c
index 7a555b600171..c9f7ca778364 100644
--- a/arch/loongarch/kernel/signal.c
+++ b/arch/loongarch/kernel/signal.c
@@ -51,27 +51,6 @@
#define lock_lbt_owner() ({ preempt_disable(); pagefault_disable(); })
#define unlock_lbt_owner() ({ pagefault_enable(); preempt_enable(); })
-/* Assembly functions to move context to/from the FPU */
-extern asmlinkage int
-_save_fp_context(void __user *fpregs, void __user *fcc, void __user *csr);
-extern asmlinkage int
-_restore_fp_context(void __user *fpregs, void __user *fcc, void __user *csr);
-extern asmlinkage int
-_save_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
-extern asmlinkage int
-_restore_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
-extern asmlinkage int
-_save_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
-extern asmlinkage int
-_restore_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
-
-#ifdef CONFIG_CPU_HAS_LBT
-extern asmlinkage int _save_lbt_context(void __user *regs, void __user *eflags);
-extern asmlinkage int _restore_lbt_context(void __user *regs, void __user *eflags);
-extern asmlinkage int _save_ftop_context(void __user *ftop);
-extern asmlinkage int _restore_ftop_context(void __user *ftop);
-#endif
-
struct rt_sigframe {
struct siginfo rs_info;
struct ucontext rs_uctx;
@@ -698,6 +677,11 @@ static int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
for (i = 1; i < 32; i++)
err |= __put_user(regs->regs[i], &sc->sc_regs[i]);
+#ifdef CONFIG_CPU_HAS_LBT
+ if (extctx->lbt.addr)
+ err |= protected_save_lbt_context(extctx);
+#endif
+
if (extctx->lasx.addr)
err |= protected_save_lasx_context(extctx);
else if (extctx->lsx.addr)
@@ -705,11 +689,6 @@ static int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
else if (extctx->fpu.addr)
err |= protected_save_fpu_context(extctx);
-#ifdef CONFIG_CPU_HAS_LBT
- if (extctx->lbt.addr)
- err |= protected_save_lbt_context(extctx);
-#endif
-
/* Set the "end" magic */
info = (struct sctx_info *)extctx->end.addr;
err |= __put_user(0, &info->magic);