Hi, Al, On Sun, Oct 3, 2021 at 10:36 AM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Sep 27, 2021 at 02:42:51PM +0800, Huacai Chen wrote: > > This patch adds signal handling support for LoongArch. > > No matter what you get in regs[4] after sys_rt_sigreturn(), > you should *NOT* treat it as restartable. IOW, you need to set > regs[0] to 0 in there (or in restore_sigcontext()). See e.g. > 653d48b22166 for details of similar bug on arm. Thanks, regs[0] should be cleared here. Huacai
