提交 d970e428 编写于 作者: A Al Viro

cris: switch to generic sigaltstack

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 0aa0203f
无相关合并请求
......@@ -50,6 +50,7 @@ config CRIS
select GENERIC_CMOS_UPDATE
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS2
select GENERIC_SIGALTSTACK
config HZ
int
......
......@@ -84,12 +84,6 @@ int sys_sigaction(int sig, const struct old_sigaction __user *act,
return ret;
}
int sys_sigaltstack(const stack_t *uss, stack_t __user *uoss)
{
return do_sigaltstack(uss, uoss, rdusp());
}
/*
* Do a signal return; undo the signal stack.
*/
......@@ -214,7 +208,7 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13,
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT)
if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return regs->r10;
......
......@@ -99,12 +99,6 @@ sys_sigaction(int signal, const struct old_sigaction *act,
return retval;
}
int
sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
{
return do_sigaltstack(uss, uoss, rdusp());
}
static int
restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
{
......@@ -209,7 +203,7 @@ sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp,
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT)
if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
keep_debug_flags(oldccs, oldspc, regs);
......
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