Luming Yu <luming...@shingroup.cn> writes: > Before we have powerpc to use the generic entry infrastructure, > the call to fire user return notifier is made temporarily in powerpc > entry code. >
It is still not clear what will be registered as user return notifier. Can you summarize that here? > > Signed-off-by: Luming Yu <luming...@shingroup.cn> > --- > arch/powerpc/kernel/interrupt.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c > index c4f6d3c69ba9..7fe704946e96 100644 > --- a/arch/powerpc/kernel/interrupt.c > +++ b/arch/powerpc/kernel/interrupt.c > @@ -19,6 +19,7 @@ > #include <asm/time.h> > #include <asm/tm.h> > #include <asm/unistd.h> > +#include <asm/entry-common.h> > > #if defined(CONFIG_PPC_ADV_DEBUG_REGS) && defined(CONFIG_PPC32) > unsigned long global_dbcr0[NR_CPUS]; > @@ -245,6 +246,8 @@ interrupt_exit_user_prepare_main(unsigned long ret, > struct pt_regs *regs) > /* Restore user access locks last */ > kuap_user_restore(regs); > > + arch_exit_to_user_mode_prepare(regs, ti_flags); > + > That will run the notifier with user AMR/IAMR values. > return ret; > } > > -- > 2.42.0.windows.2