Re: [BUGFIX PATCH v2.1] tracing: probeevent: Fix to support minus offset from symbol

2018-02-23 Thread Masami Hiramatsu
On Fri, 23 Feb 2018 09:15:42 +0900 Namhyung Kim wrote: > Hi Masami, > > On Thu, Feb 22, 2018 at 04:45:01PM +0900, Masami Hiramatsu wrote: > > In Documentation/trace/kprobetrace.txt, it says > > > > @SYM[+|-offs] : Fetch memory at SYM +|- offs (SYM should be a data symbol) > > > > However, the

Re: [BUGFIX PATCH v2.1] tracing: probeevent: Fix to support minus offset from symbol

2018-02-22 Thread Namhyung Kim
Hi Masami, On Thu, Feb 22, 2018 at 04:45:01PM +0900, Masami Hiramatsu wrote: > In Documentation/trace/kprobetrace.txt, it says > > @SYM[+|-offs] : Fetch memory at SYM +|- offs (SYM should be a data symbol) > > However, the parser doesn't parse minus offset correctly, since > commit 2fba0c8867af

[BUGFIX PATCH v2.1] tracing: probeevent: Fix to support minus offset from symbol

2018-02-21 Thread Masami Hiramatsu
In Documentation/trace/kprobetrace.txt, it says @SYM[+|-offs] : Fetch memory at SYM +|- offs (SYM should be a data symbol) However, the parser doesn't parse minus offset correctly, since commit 2fba0c8867af ("tracing/kprobes: Fix probe offset to be unsigned") drops minus ("-") offset support for