Re: [PATCH bpf-next v2 0/4] kprobes: rethook: x86: Replace kretprobe trampoline with rethook

[Peter Zijlstra]

On Fri, Mar 25, 2022 at 03:43:15PM +0100, Peter Zijlstra wrote:
> On Fri, Mar 25, 2022 at 11:22:53PM +0900, Masami Hiramatsu wrote:
> 
> > Masami Hiramatsu (3):
> >       kprobes: Use rethook for kretprobe if possible
> >       rethook: kprobes: x86: Replace kretprobe with rethook on x86
> >       x86,kprobes: Fix optprobe trampoline to generate complete pt_regs
> > 
> > Peter Zijlstra (1):
> >       Subject: x86,rethook: Fix arch_rethook_trampoline() to generate a complete pt_regs
> 
> You fat-fingered the subject there ^
> 
> Other than that:
> 
> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> 
> Hopefully the ftrace return trampoline can also be switched over..

Urgh, allnoconfig doesn't build because..

diff --git a/kernel/Makefile b/kernel/Makefile
index 56f4ee97f328..471d71935e90 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -108,6 +108,7 @@ obj-$(CONFIG_TRACING) += trace/
 obj-$(CONFIG_TRACE_CLOCK) += trace/
 obj-$(CONFIG_RING_BUFFER) += trace/
 obj-$(CONFIG_TRACEPOINTS) += trace/
+obj-$(CONFIG_RETHOOK) += trace/
 obj-$(CONFIG_IRQ_WORK) += irq_work.o
 obj-$(CONFIG_CPU_PM) += cpu_pm.o
 obj-$(CONFIG_BPF) += bpf/