Re: [PATCH v6 0/7] Powerpc/Watchpoint: Few important fixes

[Ravi Bangoria]

On 10/29/19 7:31 PM, Christophe Leroy wrote:
> Le 29/10/2019 Ã 05:54, Ravi Bangoria a ÃcritÂ:
> > On 10/17/19 3:01 PM, Ravi Bangoria wrote:
> > > v5: https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-October/198069.html
> > >
> > > v5->v6:
> > > Â - patch 6/7: mpe reported that the perf-hwbreak.c doesn't compile with older
> > > ÂÂÂ gcc:
> > > ÂÂÂÂÂÂÂÂ perf-hwbreak.c:182:2: error: dereferencing type-punned pointer will
> > > ÂÂÂÂÂÂÂÂ break strict-aliasing rules [-Werror=strict-aliasing]
> > > ÂÂÂÂÂÂÂÂÂÂÂÂ temp16 = *((__u16 *)target);
> > > ÂÂÂÂÂÂÂÂÂÂÂÂ ^
> > > ÂÂÂ Fixed that.
> >
> > Hi Christophe, Are you ok with the series wrt 8xx?
>
> Yes it looks ok on my 885:
>
> root@vgoip:~# ./ptrace-hwbreak
> test: ptrace-hwbreak
> tags: git_version:v5.4-rc4-835-gb235e63aa9f0-dirty
> PTRACE_SET_DEBUGREG, WO, len: 1: Ok
> PTRACE_SET_DEBUGREG, WO, len: 2: Ok
> PTRACE_SET_DEBUGREG, WO, len: 4: Ok
> PTRACE_SET_DEBUGREG, WO, len: 8: Ok
> PTRACE_SET_DEBUGREG, RO, len: 1: Ok
> PTRACE_SET_DEBUGREG, RO, len: 2: Ok
> PTRACE_SET_DEBUGREG, RO, len: 4: Ok
> PTRACE_SET_DEBUGREG, RO, len: 8: Ok
> PTRACE_SET_DEBUGREG, RW, len: 1: Ok
> PTRACE_SET_DEBUGREG, RW, len: 2: Ok
> PTRACE_SET_DEBUGREG, RW, len: 4: Ok
> PTRACE_SET_DEBUGREG, RW, len: 8: Ok
> PPC_PTRACE_SETHWDEBUG, MODE_EXACT, WO, len: 1: Ok
> PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RO, len: 1: Ok
> PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RW, len: 1: Ok
> success: ptrace-hwbreak
>
> Also ok on book3s/32:

mpe, Can you please pull the series.

Ravi