From: He Sheng hesheng@wxiat.com
Sunway inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I56OLG
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The retcode is unused, since we take __vdso_rt_sigreturn as default restorer, and redundant err check in setup_rt_frame() can be removed.
Signed-off-by: He Sheng hesheng@wxiat.com
Signed-off-by: Gu Zitao guzitao@wxiat.com Acked-by: Xie XiuQi xiexiuqi@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- arch/sw_64/kernel/signal.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/arch/sw_64/kernel/signal.c b/arch/sw_64/kernel/signal.c index f7b8d391251a..17cc9850daaa 100644 --- a/arch/sw_64/kernel/signal.c +++ b/arch/sw_64/kernel/signal.c @@ -34,7 +34,6 @@ asmlinkage void ret_from_sys_call(void); struct rt_sigframe { struct siginfo info; struct ucontext uc; - unsigned int retcode[3]; };
/* @@ -45,10 +44,6 @@ struct rt_sigframe { extern char compile_time_assert [offsetof(struct rt_sigframe, uc.uc_mcontext) == 176 ? 1 : -1];
-#define INSN_MOV_R30_R16 0x47fe0410 -#define INSN_LDI_R0 0x201f0000 -#define INSN_CALLSYS 0x00000083 - static long restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs) { @@ -263,9 +258,6 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) */ r26 = VDSO_SYMBOL(current->mm->context.vdso, rt_sigreturn);
- if (err) - return -EFAULT; - /* "Return" to the handler */ regs->r26 = r26; regs->r27 = regs->pc = (unsigned long) ksig->ka.sa.sa_handler;