On Thu, Jan 20, 2022 at 6:31 PM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > On Thu, Jan 20, 2022 at 8:39 AM <guoren@xxxxxxxxxx> wrote: > > > > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > > > Implement compat_setup_rt_frame for sigcontext save & restore. The > > main process is the same with signal, but the rv32 pt_regs' size > > is different from rv64's, so we needs convert them. > > > > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > Signed-off-by: Guo Ren <guoren@xxxxxxxxxx> > > Cc: Arnd Bergmann <arnd@xxxxxxxx> > > I hope someone else can properly review this part, it's not my area > but it looks complex enough that it could bring subtle bugs. Here are ltp signal test results: sigaction01 PASS 0 sigaction02 PASS 0 sigaltstack01 PASS 0 sigaltstack02 PASS 0 sighold02 PASS 0 signal01 PASS 0 signal02 PASS 0 signal03 PASS 0 signal04 PASS 0 signal05 PASS 0 signal06 CONF 32 signalfd01 PASS 0 signalfd4_01 PASS 0 signalfd4_02 PASS 0 sigpending02 PASS 0 sigprocmask01 PASS 0 sigrelse01 PASS 0 sigsuspend01 PASS 0 sigtimedwait01 PASS 0 sigwait01 PASS 0 sigwaitinfo01 CONF 32 > > Arnd -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/
