linux-kernel - Re: [PATCH 0/6] Tracing register accesses with pstore and dynamic debug

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Message-ID: <20180911151148.GI2651@arm.com>
Date:   Tue, 11 Sep 2018 16:11:49 +0100
From:   Will Deacon <will.deacon@....com>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Laura Abbott <labbott@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Colin Cross <ccross@...roid.com>,
        Jason Baron <jbaron@...mai.com>,
        Tony Luck <tony.luck@...el.com>, Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Joe Perches <joe@...ches.com>,
        Jim Cromie <jim.cromie@...il.com>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Prasad Sodagudi <psodagud@...eaurora.org>,
        tsoni@...eaurora.org, Bryan Huntsman <bryanh@...eaurora.org>,
        Tingwei Zhang <tingwei@...eaurora.org>
Subject: Re: [PATCH 0/6] Tracing register accesses with pstore and dynamic
 debug

Hello,

On Sun, Sep 09, 2018 at 01:57:01AM +0530, Sai Prakash Ranjan wrote:
> This patch series adds Event tracing support to pstore and is continuation
> to the RFC patch introduced to add a new tracing facility for register
> accesses called Register Trace Buffer(RTB). Since we decided to not introduce
> a separate framework to trace register accesses and use existing framework
> like tracepoints, I have moved from RFC. Details of the RFC in link below:
> 
> Link: https://lore.kernel.org/lkml/cover.1535119710.git.saiprakash.ranjan@codeaurora.org/

The arm64 backend bits look fine to be, but they're mixed up with core
changes that I haven't looked at closely.

Will