From: Daniel Jacobowitz <drow@false.org>
To: qemu-devel@nongnu.org
Cc: blauwirbel@gmail.com, Alexander Graf <alex@csgraf.de>,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH 7/7] PPC64: Don't fault at lwsync
Date: Thu, 5 Mar 2009 14:42:22 -0500 [thread overview]
Message-ID: <20090305194222.GA3677@caradoc.them.org> (raw)
In-Reply-To: <200903051644.30883.paul@codesourcery.com>
On Thu, Mar 05, 2009 at 04:44:30PM +0000, Paul Brook wrote:
> When an MMU exception occurs, qemu figures out the guest location from the
> location of the MMU access in guest code (see cpu_restore_state). My guess is
> that this breaks when two guest instructions have the same location. I'm not
> entirely sure what the correct fix is, or where the bug lies
> (cpu_restore_state, gen_intermediate_code_pc, or tcg_gen_code_search_pc) but
> hopefully this will point you in the right direction.
Automatically pick the second instruction, on the principle that an
instruction with no opcodes is unlikely to trigger a synchronous
fault?
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2009-03-05 19:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-05 14:14 [Qemu-devel] [PATCH 0/7] PPC64 Linux bringup patches v2 Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 1/7] PPC64: Implement slbmte Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 2/7] PPC64: Implement large pages Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 3/7] PPC64: Implment tlbiel Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 4/7] Activate uninorth AGP bridge Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 5/7] PPC64: Nop some SPRs on 970fx Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 6/7] PPC64: Enable 64bit mode on interrupts Alexander Graf
2009-03-05 14:14 ` [Qemu-devel] [PATCH 7/7] PPC64: Don't fault at lwsync Alexander Graf
2009-03-05 15:07 ` Paul Brook
2009-03-05 15:57 ` Alexander Graf
2009-03-05 16:09 ` Alexander Graf
2009-03-05 16:29 ` Paul Brook
2009-03-05 16:44 ` Paul Brook
2009-03-05 19:42 ` Daniel Jacobowitz [this message]
2009-03-06 0:53 ` Paul Brook
2009-03-05 21:21 ` Alexander Graf
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=20090305194222.GA3677@caradoc.them.org \
--to=drow@false.org \
--cc=agraf@suse.de \
--cc=alex@csgraf.de \
--cc=blauwirbel@gmail.com \
--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 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.