linux-kernel - Re: [PATCH 0/9] kcsan: Add support for reporting observed value changes

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Message-ID: <20210415114731.GA73625@E107129.arm.com>
Date:   Thu, 15 Apr 2021 12:47:31 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Marco Elver <elver@...gle.com>
Cc:     paulmck@...nel.org, will@...nel.org, dvyukov@...gle.com,
        glider@...gle.com, boqun.feng@...il.com,
        kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/9] kcsan: Add support for reporting observed value
 changes

On Wed, Apr 14, 2021 at 01:28:16PM +0200, Marco Elver wrote:
> This series adds support for showing observed value changes in reports.
> Several clean up and refactors of KCSAN reporting code are done as a
> pre-requisite.

> This series was originally prepared courtesy of Mark Rutland in
> September 2020.

For anyone looking for the original, it was never posted to a list, but
is sat on my kcsan/rework branch on kernel.org:

https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/log/?h=kcsan/rework

> Because KCSAN had a few minor changes since the original
> draft of the series, it required a rebase and re-test. To not be
> forgotten and get these changes in sooner than later, Mark kindly agreed
> to me adopting the series and doing the rebase, a few minor tweaks, and
> finally re-test.

Thanks for picking this up!

All your changes look good to me (along with the documentation patch),
so FWIW:

Acked-by: Mark Rutland <mark.rutland@....com>

Thanks,
Mark.

> 
> Marco Elver (1):
>   kcsan: Document "value changed" line
> 
> Mark Rutland (8):
>   kcsan: Simplify value change detection
>   kcsan: Distinguish kcsan_report() calls
>   kcsan: Refactor passing watchpoint/other_info
>   kcsan: Fold panic() call into print_report()
>   kcsan: Refactor access_info initialization
>   kcsan: Remove reporting indirection
>   kcsan: Remove kcsan_report_type
>   kcsan: Report observed value changes
> 
>  Documentation/dev-tools/kcsan.rst |  88 +++++++---------
>  kernel/kcsan/core.c               |  53 ++++------
>  kernel/kcsan/kcsan.h              |  39 ++++---
>  kernel/kcsan/report.c             | 169 ++++++++++++++++--------------
>  4 files changed, 162 insertions(+), 187 deletions(-)
> 
> -- 
> 2.31.1.295.g9ea45b61b8-goog
>