From: Fuad Tabba <fuad.tabba@linux.dev>
To: Itaru Kitayama <itaru.kitayama@linux.dev>
Cc: kvmarm@lists.linux.dev, Fuad Tabba <tabba@google.com>
Subject: Re: kselftest kvm/arm/page_fault_test hangs if pagesize is 16KB
Date: Fri, 2 Oct 2026 08:17:01 +0100 [thread overview]
Message-ID: <20261002071701.2671016-1-fuad.tabba@linux.dev> (raw)
In-Reply-To: <B4C0AC3E-6A4F-4A7B-B7BC-81207539115E@linux.dev>
Hi Itaru,
On Fri, 27 Jun 2025 07:34:57 +0100, Itaru Kitayama <itaru.kitayama@linux.dev> wrote:
[...]
> I checked testing with the 4KB and 64KB page sizes, page_fault_test runs fine.
I hit the same hang. It's a QEMU bug: with a 52-bit PA, the stage 1
walk computes the wrong base address for an initial table smaller than
64 bytes, such as the 16KB mode's level 0. I've posted a fix [1].
Cheers,
/fuad
[1] https://lore.kernel.org/all/20261001175003.ttbr-baddr-52bit-0-fuad.tabba@linux.dev/
prev parent reply other threads:[~2026-10-02 7:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-27 6:34 kselftest kvm/arm/page_fault_test hangs if pagesize is 16KB Itaru Kitayama
2026-10-02 7:17 ` Fuad Tabba [this message]
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=20261002071701.2671016-1-fuad.tabba@linux.dev \
--to=fuad.tabba@linux.dev \
--cc=itaru.kitayama@linux.dev \
--cc=kvmarm@lists.linux.dev \
--cc=tabba@google.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.