Hi Igor,
On 26/3/24 14:08, Thomas Huth wrote:
s/iaspc/isapc/ in the subject
On 26/03/2024 13.51, Igor Mammedov wrote:
ISAPC machine was introduced 25 years ago and it's a lot of time since
such machine was around with real ISA only PC hardware practically
defunct.
Also it's slowly bit-rots (for example: I was able to boot RHEL6 on
RHEL9 host
in only TCG mode, while in KVM mode it hung in the middle of boot)
I'm quite opposed to this patch. QEMU models various very-old /
defunct hardware. I'm pretty sure Bernhard and myself are OK to
keep maintaining it, besides we are working in separating it from
the i440fx+piix machine. Also, this machine is particularly
interesting for my single-binary experiments.
Where I agree is we should stop reporting "KVM on ISA/PC machine"
as supported.
Regards,
Phil.
Rather than spending time on fixing 'the oldest' no longer tested
machine type,
deprecate it so we can clean up QEMU code from legacy fixups and
hopefully
make it easier to follow.
Folks who have to use ancient guest that requires ISAPC can still
use older QEMU to play with it.
Signed-off-by: Igor Mammedov <imammedo@xxxxxxxxxx>
---
docs/about/deprecated.rst | 7 +++++++
hw/i386/pc_piix.c | 1 +
2 files changed, 8 insertions(+)
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 7b548519b5..5708296991 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -226,6 +226,13 @@ These old machine types are quite neglected
nowadays and thus might have
various pitfalls with regards to live migration. Use a newer machine
type
instead.
+``isapc`` (since 9.0)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+These old machine type are quite neglected nowadays and thus might have
"This old machine type is ..." ?
+various pitfalls with regards to live migration. Use a newer machine
type
+instead.
I doubt that isapc could ever be used reliably for live migration, since
it's an unversioned machine type, so I think it would be better to not
mention live migration here.
Thomas
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