Ram Pai <linuxram@xxxxxxxxxx> writes: > diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c > index d4e545d..fe1e7c7 100644 > --- a/arch/powerpc/kernel/traps.c > +++ b/arch/powerpc/kernel/traps.c > @@ -20,6 +20,7 @@ > #include <linux/sched/debug.h> > #include <linux/kernel.h> > #include <linux/mm.h> > +#include <linux/pkeys.h> > #include <linux/stddef.h> > #include <linux/unistd.h> > #include <linux/ptrace.h> > @@ -247,6 +248,15 @@ void user_single_step_siginfo(struct task_struct *tsk, > info->si_addr = (void __user *)regs->nip; > } > > +#ifdef CONFIG_PPC64_MEMORY_PROTECTION_KEYS > +static void fill_sig_info_pkey(int si_code, siginfo_t *info, unsigned long addr) > +{ > + if (si_code != SEGV_PKUERR) > + return; Given that SEGV_PKUERR is a signal specific si_code this test is insufficient to detect an pkey error. You also need to check that signr == SIGSEGV > + info->si_pkey = get_paca()->paca_pkey; > +} > +#endif /* CONFIG_PPC64_MEMORY_PROTECTION_KEYS */ > + > void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) > { > siginfo_t info; > @@ -274,6 +284,11 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) > info.si_signo = signr; > info.si_code = code; > info.si_addr = (void __user *) addr; > + > +#ifdef CONFIG_PPC64_MEMORY_PROTECTION_KEYS > + fill_sig_info_pkey(code, &info, addr); > +#endif /* CONFIG_PPC64_MEMORY_PROTECTION_KEYS */ > + > force_sig_info(signr, &info, current); > } Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html