[PATCH v2 2/6] ptrace: introduce ptrace_syscall_enter to consolidate PTRACE_SYSEMU handling

Sudeep Holla sudeep.holla at arm.com
Mon Mar 18 07:57:19 PDT 2019


On Mon, Mar 18, 2019 at 05:41:15PM +0300, Dmitry V. Levin wrote:
> On Mon, Mar 18, 2019 at 10:49:21AM +0000, Sudeep Holla wrote:
> > Currently each architecture handles PTRACE_SYSEMU in very similar way.
> > It's completely arch independent and can be handled in the code helping
> > to consolidate PTRACE_SYSEMU handling.
> > 
> > Let's introduce a hook 'ptrace_syscall_enter' that arch specific syscall
> > entry code can call.
> 
> Sorry if I'm late for the party, but the new name looks confusing.
> If all it does is related to TIF_SYSCALL_EMU, why does it have a generic
> name 'ptrace_syscall_enter' without any hint of being specific to
> TIF_SYSCALL_EMU?
> 

Not at all late. Infact Haibo Xu pointed that out, I updated but somehow
missed to commit and lost those changes. I will rename as
ptrace_sysemu_syscall_enter

--
Regards,
Sudeep



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