From: "Michael S. Tsirkin" <mst@redhat.com>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Peter Krempa <pkrempa@redhat.com>,
Like Xu <like.xu@linux.intel.com>,
qemu-devel@nongnu.org, Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH 0/3] pc: Fix die-id validation and compatibility with libvirt
Date: Mon, 19 Aug 2019 15:19:46 -0400 [thread overview]
Message-ID: <20190819151913-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20190815183803.13346-1-ehabkost@redhat.com>
On Thu, Aug 15, 2019 at 03:38:00PM -0300, Eduardo Habkost wrote:
> Currently, if die-id is omitted on -device for CPUs, we get a
> very confusing error message:
>
> $ qemu-system-x86_64 -smp 1,sockets=6,maxcpus=6 \
> -device qemu64-x86_64-cpu,socket-id=1,core-id=0,thread-id=0
> qemu-system-x86_64: -device qemu64-x86_64-cpu,socket-id=1,core-id=0,thread-id=0: \
> Invalid CPU die-id: 4294967295 must be in range 0:5
>
> This has 3 problems
>
> 1) The actual range for die-id is 0:0.
> This is fixed by patch 1/3.
> 2) The user didn't specify die-id=4294967295.
> This is fixed by patch 2/3.
> 3) It breaks compatibility with libvirt because die-id was not
> mandatory before.
> This is addressed by patch 3/3.
>
> Issues #1 and #2 were reported at:
> https://bugzilla.redhat.com/show_bug.cgi?id=1741151
>
> Issue #3 was reported at:
> https://bugzilla.redhat.com/show_bug.cgi?id=1741451
>
> Cc: Like Xu <like.xu@linux.intel.com>
> Cc: Peter Krempa <pkrempa@redhat.com>
> Cc: Igor Mammedov <imammedo@redhat.com>
Looks good
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
I'm traveling and can't test this properly.
Anyone else can merge this? Eduardo?
> Eduardo Habkost (3):
> pc: Fix error message on die-id validation
> pc: Improve error message when die-id is omitted
> pc: Don't make CPU properties mandatory unless necessary
>
> hw/i386/pc.c | 23 ++++++++-
> tests/acceptance/pc_cpu_hotplug_props.py | 59 ++++++++++++++++++++++++
> 2 files changed, 81 insertions(+), 1 deletion(-)
> create mode 100644 tests/acceptance/pc_cpu_hotplug_props.py
>
> --
> 2.21.0
prev parent reply other threads:[~2019-08-19 19:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-15 18:38 [Qemu-devel] [PATCH 0/3] pc: Fix die-id validation and compatibility with libvirt Eduardo Habkost
2019-08-15 18:38 ` [Qemu-devel] [PATCH 1/3] pc: Fix error message on die-id validation Eduardo Habkost
2019-08-15 20:04 ` Vanderson Martins do Rosario
2019-08-16 1:04 ` Like Xu
2019-08-16 13:49 ` Eduardo Habkost
2019-08-19 0:53 ` Like Xu
2019-08-16 6:06 ` Markus Armbruster
2019-08-16 14:04 ` Igor Mammedov
2019-08-15 18:38 ` [Qemu-devel] [PATCH 2/3] pc: Improve error message when die-id is omitted Eduardo Habkost
2019-08-15 20:11 ` Vanderson Martins do Rosario
2019-08-16 14:06 ` Igor Mammedov
2019-08-15 18:38 ` [Qemu-devel] [PATCH 3/3] pc: Don't make CPU properties mandatory unless necessary Eduardo Habkost
2019-08-16 6:10 ` Markus Armbruster
2019-08-16 7:49 ` Erik Skultety
2019-08-16 12:22 ` Markus Armbruster
2019-08-16 17:42 ` Eduardo Habkost
2019-08-16 21:07 ` Yash Mankad
2019-08-20 21:06 ` Eduardo Habkost
2019-08-17 5:34 ` Markus Armbruster
2019-08-16 16:49 ` Eduardo Habkost
2019-08-16 13:20 ` Igor Mammedov
2019-08-16 16:56 ` Eduardo Habkost
2019-08-17 6:17 ` Markus Armbruster
2019-08-26 14:51 ` Igor Mammedov
2019-08-27 16:15 ` Markus Armbruster
2019-08-28 15:27 ` Igor Mammedov
2019-08-19 19:19 ` Michael S. Tsirkin [this message]
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