From: Gleb Natapov <gleb@redhat.com>
To: qemu-devel@nongnu.org
Cc: bochs-developers@lists.sourceforge.net
Subject: Re: [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS
Date: Thu, 27 Nov 2008 14:35:57 +0200 [thread overview]
Message-ID: <20081127123557.GB21985@redhat.com> (raw)
In-Reply-To: <492E8FCC.2020203@gmx.net>
On Thu, Nov 27, 2008 at 01:17:16PM +0100, Carl-Daniel Hailfinger wrote:
> Hi,
>
> On 27.11.2008 12:02, Gleb Natapov wrote:
> > This patch series adds S3 (suspend to RAM) ACPI state to BIOS. Most
> > changes concern themselves with preventing BIOS from using memory
> > locations available to a guest OS.
> >
>
> I see the problem you're facing with the overwrite and it looks there
> might be a cleaner solution: If you can lock the CPU cache so that
> writes don't get passed through to RAM, you're free to use any area
> (with a few contraints) for stack without having to worry about
> clobbering memory contents there.
>
> That method is called Cache-as-RAM and I'm currently trying to implement
> it in Qemu. I haven't looked into Bochs yet, but it should be doable
> there as well.
>
It would be nice to not worry about stack location. We may try to use it
when you changes will work in Qemu and BOCHS.
--
Gleb.
next prev parent reply other threads:[~2008-11-27 12:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-27 11:02 [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 1/5] Add S3 state to DSDT. Handle resume event in the BIOS Gleb Natapov
2008-12-07 2:57 ` [Qemu-devel] Re: [Bochs-developers] " Kevin O'Connor
2008-12-07 9:20 ` Gleb Natapov
2008-12-07 15:10 ` Kevin O'Connor
2008-12-07 16:31 ` Gleb Natapov
2008-12-09 22:26 ` [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT.Handle " Sebastian Herbszt
2008-12-10 0:06 ` Kevin O'Connor
2008-12-10 10:22 ` Gleb Natapov
2008-12-09 13:38 ` [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT. Handle " Gleb Natapov
2008-12-09 15:12 ` [Qemu-devel] " Stanislav
2008-12-14 22:02 ` [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT.Handle " Sebastian Herbszt
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 2/5] Preserve memory content during SMM init Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 3/5] Execute rombios32 code from rom address 0xe0000 Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 4/5] Don't use unreserved memory in BIOS Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 5/5] Don't power down vga card on entering S3 state Gleb Natapov
2008-11-27 12:17 ` [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS Carl-Daniel Hailfinger
2008-11-27 12:35 ` Gleb Natapov [this message]
2008-11-27 18:59 ` [Bochs-developers] " Stanislav
2008-11-27 19:07 ` Carl-Daniel Hailfinger
2008-11-27 20:04 ` Stanislav
2008-11-27 21:04 ` Carl-Daniel Hailfinger
2008-11-29 19:42 ` Stanislav
2008-12-04 10:04 ` Carl-Daniel Hailfinger
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=20081127123557.GB21985@redhat.com \
--to=gleb@redhat.com \
--cc=bochs-developers@lists.sourceforge.net \
--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.