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(-)
>
>
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a8f9fa5e-62e3-61b5-36d2-ab37a1f18ff0@eik.bme.hu \
--to=balaton@eik.bme.hu \
--cc=peter.maydell@linaro.org \
--cc=philmd@linaro.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).