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From: Olaf Hering <ohering@suse.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: "Juergen Gross" <jgross@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	"Ian Jackson" <ian.jackson@eu.citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: Regression in xen-unstable due to commit 3802ecbaa9eb36
Date: Thu, 16 May 2019 14:18:05 +0200	[thread overview]
Message-ID: <20190516141805.281f972e.ohering@suse.com> (raw)
In-Reply-To: <20190516140451.06cfcbfe.ohering@suse.com>


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Am Thu, 16 May 2019 14:04:51 +0200
schrieb Olaf Hering <ohering@suse.com>:

> There are quite a few checks for device_model_version, they would be all
> wrong if the assert is removed, or changed back to QEMU_XEN. Perhaps we
> can continue to live with that error. device_model_version could become
> a local variable. If it is not set, assume the caller just wants the
> memory size and enforce QEMU_XEN again within that function.

I think that is what should be done, just for the sake of
libxl_domain_need_memory. If an incomplete b_info is provided, assume
device_model_version=QEMU_XEN, maintain that state in a local variable.

If we want to provide another new public API to fill missing defaults,
that could still be done in a separate patch.

Olaf

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_______________________________________________
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Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

WARNING: multiple messages have this Message-ID (diff)
From: Olaf Hering <ohering@suse.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: "Juergen Gross" <jgross@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	"Ian Jackson" <ian.jackson@eu.citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] Regression in xen-unstable due to commit 3802ecbaa9eb36
Date: Thu, 16 May 2019 14:18:05 +0200	[thread overview]
Message-ID: <20190516141805.281f972e.ohering@suse.com> (raw)
Message-ID: <20190516121805.esHkg6GTTaPde7G4jZcQyuyCQkbYmPpDHCaNE7WDhiM@z> (raw)
In-Reply-To: <20190516140451.06cfcbfe.ohering@suse.com>


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Am Thu, 16 May 2019 14:04:51 +0200
schrieb Olaf Hering <ohering@suse.com>:

> There are quite a few checks for device_model_version, they would be all
> wrong if the assert is removed, or changed back to QEMU_XEN. Perhaps we
> can continue to live with that error. device_model_version could become
> a local variable. If it is not set, assume the caller just wants the
> memory size and enforce QEMU_XEN again within that function.

I think that is what should be done, just for the sake of
libxl_domain_need_memory. If an incomplete b_info is provided, assume
device_model_version=QEMU_XEN, maintain that state in a local variable.

If we want to provide another new public API to fill missing defaults,
that could still be done in a separate patch.

Olaf

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[-- Type: application/pgp-signature, Size: 195 bytes --]

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_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  reply	other threads:[~2019-05-16 12:18 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-16  8:09 Regression in xen-unstable due to commit 3802ecbaa9eb36 Juergen Gross
2019-05-16  8:09 ` [Xen-devel] " Juergen Gross
2019-05-16  8:27 ` Olaf Hering
2019-05-16  8:27   ` [Xen-devel] " Olaf Hering
2019-05-16  8:29   ` Juergen Gross
2019-05-16  8:29     ` [Xen-devel] " Juergen Gross
2019-05-16  8:30   ` Olaf Hering
2019-05-16  8:30     ` [Xen-devel] " Olaf Hering
2019-05-16  8:34     ` Juergen Gross
2019-05-16  8:34       ` [Xen-devel] " Juergen Gross
2019-05-16  8:40 ` Olaf Hering
2019-05-16  8:40   ` [Xen-devel] " Olaf Hering
2019-05-16  8:50   ` Olaf Hering
2019-05-16  8:50     ` [Xen-devel] " Olaf Hering
2019-05-16  8:54   ` Juergen Gross
2019-05-16  8:54     ` [Xen-devel] " Juergen Gross
2019-05-16  9:07 ` Olaf Hering
2019-05-16  9:07   ` [Xen-devel] " Olaf Hering
2019-05-16 10:45   ` Roger Pau Monné
2019-05-16 10:45     ` [Xen-devel] " Roger Pau Monné
2019-05-16 10:57     ` Olaf Hering
2019-05-16 10:57       ` [Xen-devel] " Olaf Hering
2019-05-16 11:24       ` Wei Liu
2019-05-16 11:24         ` [Xen-devel] " Wei Liu
2019-05-16 11:38         ` Olaf Hering
2019-05-16 11:38           ` [Xen-devel] " Olaf Hering
2019-05-16 11:50           ` Wei Liu
2019-05-16 11:50             ` [Xen-devel] " Wei Liu
2019-05-16 12:04             ` Olaf Hering
2019-05-16 12:04               ` [Xen-devel] " Olaf Hering
2019-05-16 12:18               ` Olaf Hering [this message]
2019-05-16 12:18                 ` Olaf Hering
2019-05-16 12:50                 ` Wei Liu
2019-05-16 12:50                   ` [Xen-devel] " Wei Liu
2019-05-16 11:52           ` Olaf Hering
2019-05-16 11:52             ` [Xen-devel] " Olaf Hering
2019-05-16 11:42         ` Roger Pau Monné
2019-05-16 11:42           ` [Xen-devel] " Roger Pau Monné
2019-05-16 12:42           ` Wei Liu
2019-05-16 12:42             ` [Xen-devel] " Wei Liu
2019-05-16 11:24     ` Wei Liu
2019-05-16 11:24       ` [Xen-devel] " Wei Liu

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