Re: [BUGFIX PATCH V2 0/3] kprobes/arm: Improve kprobes implementation on arm
From: Jon Medhurst (Tixy)
Date: Wed Feb 22 2017 - 10:59:21 EST
On Sat, 2017-02-18 at 06:43 +0900, Masami Hiramatsu wrote:
> On Fri, 17 Feb 2017 11:01:10 +0000
> "Jon Medhurst (Tixy)" <tixy@xxxxxxxxxx> wrote:
> > Meantime
> > I'll investigate the kprobes test failures I see (which actually looks
> > like cache/TLB issues and not test code problems after all).
> OK, btw, I couldn't reproduce the kprobes test failure with
> CONFIG_DEBUG_RODATA=y on qemu...
That's because it's a problem with caches which qemu doesn't emulate.
I worked out the cause and posted a patch...