linux-kernel - Re: [PATCH 0/5] Powerpc/hw-breakpoint: Fixes plus Code refactor

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Message-ID: <2344165b-b55b-d1b9-fd96-e057500e8c74@c-s.fr>
Date:   Tue, 18 Jun 2019 08:01:30 +0200
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Ravi Bangoria <ravi.bangoria@...ux.ibm.com>, mpe@...erman.id.au
Cc:     benh@...nel.crashing.org, paulus@...ba.org, mikey@...ling.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        npiggin@...il.com, naveen.n.rao@...ux.vnet.ibm.com
Subject: Re: [PATCH 0/5] Powerpc/hw-breakpoint: Fixes plus Code refactor



Le 18/06/2019 à 06:27, Ravi Bangoria a écrit :
> patch 1-3: Code refactor
> patch 4: Speedup disabling breakpoint
> patch 5: Fix length calculation for unaligned targets

While you are playing with hw breakpoints, did you have a look at 
https://github.com/linuxppc/issues/issues/38 ?

Christophe

> 
> Ravi Bangoria (5):
>    Powerpc/hw-breakpoint: Replace stale do_dabr() with do_break()
>    Powerpc/hw-breakpoint: Refactor hw_breakpoint_arch_parse()
>    Powerpc/hw-breakpoint: Refactor set_dawr()
>    Powerpc/hw-breakpoint: Optimize disable path
>    Powerpc/Watchpoint: Fix length calculation for unaligned target
> 
>   arch/powerpc/include/asm/hw_breakpoint.h | 10 ++--
>   arch/powerpc/kernel/hw_breakpoint.c      | 56 ++++++++++++----------
>   arch/powerpc/kernel/process.c            | 61 +++++++++++++++++++-----
>   arch/powerpc/kernel/ptrace.c             |  2 +-
>   4 files changed, 86 insertions(+), 43 deletions(-)
>