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From: BALATON Zoltan <balaton@eik.bme.hu>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>, philmd@linaro.org
Subject: Re: [PATCH v2 0/2] Separate memory access logs from guest_errors
Date: Fri, 13 Dec 2024 13:41:21 +0100 (CET)	[thread overview]
Message-ID: <a8f9fa5e-62e3-61b5-36d2-ab37a1f18ff0@eik.bme.hu> (raw)
In-Reply-To: <cover.1730549443.git.balaton@eik.bme.hu>

On Sat, 2 Nov 2024, BALATON Zoltan wrote:
> Originally memory access logs were a debug define that then were
> converted to log messages but were classified as guest_errors which
> already logs misc errors. As invalid memory access logs can come from
> accessing not emulated peripherals or memory areas, these often
> generate a lot of messages that are better be controlled separately
> from other errors to avoid obscuring those. As an example try
> 'qemu-system-ppc -d guest_errors' to see the problem. After this
> series the actual guest error logs are easier to spot. I've tried to
> submit this before but there were some people who liked the current
> behaviour so now this series has another patch that preserves the old
> option printing a warning to allow time to get used to the new
> behaviour (which actually brings back the old behaviour when mem
> access logs were a debug define). This second patch is optional if
> changing the behaviour without notice is acceptable. As these are
> debug switches no deprecation period is needed so the second patch
> could be omitted. I leave that decision to the maintainers.
>
> v2: Rename the option from memaccess to invalid_mem as suggested by
> Peter Maydell

Ping? <https://patchew.org/QEMU/cover.1730549443.git.balaton@eik.bme.hu/>

Regards,
BALATON Zoltan

> BALATON Zoltan (2):
>  log: Add separate debug option for logging invalid memory accesses
>  log: Suggest using -d guest_error,invalid_mem instead of guest_errors
>
> docs/devel/secure-coding-practices.rst | 2 +-
> include/qemu/log.h                     | 1 +
> system/memory.c                        | 6 +++---
> system/physmem.c                       | 2 +-
> tests/avocado/smmu.py                  | 2 +-
> tests/qtest/pnv-host-i2c-test.c        | 2 +-
> util/log.c                             | 8 +++++++-
> 7 files changed, 15 insertions(+), 8 deletions(-)
>
>


  parent reply	other threads:[~2024-12-13 12:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-02 12:17 [PATCH v2 0/2] Separate memory access logs from guest_errors BALATON Zoltan
2024-11-02 12:17 ` [PATCH v2 1/2] log: Add separate debug option for logging invalid memory accesses BALATON Zoltan
2024-12-17 16:01   ` Peter Maydell
2024-11-02 12:17 ` [PATCH v2 2/2] log: Suggest using -d guest_error, invalid_mem instead of guest_errors BALATON Zoltan
2024-12-13 12:41 ` BALATON Zoltan [this message]
2024-12-17 16:04   ` [PATCH v2 0/2] Separate memory access logs from guest_errors Peter Maydell

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