From: Peter Maydell <peter.maydell@linaro.org>
To: Gregory Price <gregory.price@memverge.com>
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
"Sajjan Rao" <sajjanr@gmail.com>,
"Dimitrios Palyvos" <dimitrios.palyvos@zptcorp.com>,
linux-cxl@vger.kernel.org, qemu-devel@nongnu.org,
richard.henderson@linaro.org
Subject: Re: Crash with CXL + TCG on 8.2: Was Re: qemu cxl memory expander shows numa_node -1
Date: Thu, 1 Feb 2024 17:07:31 +0000 [thread overview]
Message-ID: <CAFEAcA8oLkpSsAabYNxXQTEuJvG93xJoP3yxv0JqJfH4udmNbw@mail.gmail.com> (raw)
In-Reply-To: <ZbvPGV0a3xOMsAMG@memverge.com>
On Thu, 1 Feb 2024 at 17:04, Gregory Price <gregory.price@memverge.com> wrote:
>
> On Thu, Feb 01, 2024 at 04:45:30PM +0000, Alex Bennée wrote:
> > No thats different - we are actually writing to the MMIO region here.
> > But the fact we hit cpu_abort because we can't find the TB we are
> > executing is a little problematic.
> >
> > Does ra properly point to the code buffer here?
> >
>
> What if the code block is ALSO in CXL (MMIO)? :D
In that case the TB is supposed to be a single insn,
so the insn will by definition be the last one in its
TB, and IO should be OK for it -- so can_do_io ought
to be true and we shouldn't get into the io_recompile.
-- PMM
next prev parent reply other threads:[~2024-02-01 17:08 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAAg4PaqsGZvkDk_=PH+Oz-yeEUVcVsrumncAgegRKuxe_YoFhA@mail.gmail.com>
[not found] ` <CAGEDW0fWCfuG3KrNSwDjNVGAZVL9NJgF26Jqyd840HfQdNGLbA@mail.gmail.com>
[not found] ` <CAAg4Pard=zh_5p650UcNdQEoQWZLM6G7KRqdPQHLmaR4oZMJ3w@mail.gmail.com>
[not found] ` <CAGEDW0dVEk-QXuL=DPVvSP4t5cafz6N-r_SrCxgFnBfFOsixSA@mail.gmail.com>
[not found] ` <CAAg4PaqgZcTXkWuys7FZjQdRChTkKj-ZnJQCdxpTMCxy4Hghow@mail.gmail.com>
[not found] ` <20230823175056.00001a84@Huawei.com>
[not found] ` <CAAg4ParSB4_2FU2bu96A=3tSNuwHqZwK0wCS18EJoPAq9kYEkw@mail.gmail.com>
[not found] ` <CAAg4Pap9KzkgX=fgE7vNJYxEpGbHA-NVsgBY5npXizUbMhjp9A@mail.gmail.com>
[not found] ` <20240126123926.000051bd@Huawei.com>
[not found] ` <ZbPTL00WOo7UC0e6@memverge.com>
[not found] ` <20240126171233.00002a2e@Huawei.com>
[not found] ` <CAAg4ParQKj9FUe0DRX0Wmk1KT0bnxx2F7W=ic38781j7eVz+OQ@mail.gmail.com>
2024-02-01 13:04 ` Crash with CXL + TCG on 8.2: Was Re: qemu cxl memory expander shows numa_node -1 Jonathan Cameron via
2024-02-01 13:12 ` Peter Maydell
2024-02-01 14:01 ` Jonathan Cameron via
2024-02-01 14:35 ` Peter Maydell
2024-02-01 15:17 ` Alex Bennée
2024-02-01 15:29 ` Jonathan Cameron via
2024-02-01 16:00 ` Peter Maydell
2024-02-01 16:21 ` Jonathan Cameron via
2024-02-01 16:45 ` Alex Bennée
2024-02-01 17:04 ` Gregory Price
2024-02-01 17:07 ` Peter Maydell [this message]
2024-02-01 17:29 ` Gregory Price
2024-02-01 17:08 ` Jonathan Cameron via
2024-02-01 17:21 ` Peter Maydell
2024-02-01 17:41 ` Jonathan Cameron via
2024-02-01 17:25 ` Alex Bennée
2024-02-01 18:04 ` Peter Maydell
2024-02-01 18:56 ` Gregory Price
2024-02-02 16:26 ` Jonathan Cameron via
2024-02-02 16:33 ` Peter Maydell
2024-02-02 16:50 ` Gregory Price
2024-02-02 16:56 ` Peter Maydell
2024-02-07 17:34 ` Jonathan Cameron via
2024-02-08 14:50 ` Jonathan Cameron via
2024-02-15 15:29 ` Jonathan Cameron via
2024-02-19 7:55 ` Mattias Nissler
2024-02-15 15:04 ` Jonathan Cameron via
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=CAFEAcA8oLkpSsAabYNxXQTEuJvG93xJoP3yxv0JqJfH4udmNbw@mail.gmail.com \
--to=peter.maydell@linaro.org \
--cc=Jonathan.Cameron@huawei.com \
--cc=alex.bennee@linaro.org \
--cc=dimitrios.palyvos@zptcorp.com \
--cc=gregory.price@memverge.com \
--cc=linux-cxl@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=sajjanr@gmail.com \
/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).