From: Peter Xu <peterx@redhat.com>
To: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Markus Armbruster <armbru@redhat.com>
Subject: Re: [PATCH v2 5/8] qom: enforce use of static, const string with object_new()
Date: Thu, 14 Nov 2024 15:28:48 -0500 [thread overview]
Message-ID: <ZzZdgLSdAlpsA2jQ@x1n> (raw)
In-Reply-To: <20241111155555.90091-6-berrange@redhat.com>
On Mon, Nov 11, 2024 at 03:55:52PM +0000, Daniel P. Berrangé wrote:
> Since object_new() will assert(), it should only be used in scenarios
> where the caller knows exactly what type it is asking to be created,
> and can thus be confident in avoiding abstract types.
>
> Enforce this by using a macro wrapper which types to paste "" to the
> type name. This will generate a compile error if not passed a static
> const string, forcing callers to use object_new_dynamic() instead.
>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
next prev parent reply other threads:[~2024-11-14 20:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-11 15:55 [PATCH v2 0/8] Require error handling for dynamically created objects Daniel P. Berrangé
2024-11-11 15:55 ` [PATCH v2 1/8] qom: refactor checking abstract property when creating instances Daniel P. Berrangé
2024-11-14 19:58 ` Peter Xu
2024-11-15 10:41 ` Daniel P. Berrangé
2024-11-11 15:55 ` [PATCH v2 2/8] qom: allow failure of object_new_with_class Daniel P. Berrangé
2024-11-14 20:04 ` Peter Xu
2024-11-11 15:55 ` [PATCH v2 3/8] qom: introduce object_new_dynamic() Daniel P. Berrangé
2024-11-14 20:15 ` Peter Xu
2024-11-11 15:55 ` [PATCH v2 4/8] convert code to object_new_dynamic() where appropriate Daniel P. Berrangé
2024-11-14 20:24 ` Peter Xu
2024-11-11 15:55 ` [PATCH v2 5/8] qom: enforce use of static, const string with object_new() Daniel P. Berrangé
2024-11-14 20:28 ` Peter Xu [this message]
2024-11-11 15:55 ` [PATCH v2 6/8] qom: introduce qdev_new_dynamic() Daniel P. Berrangé
2024-11-14 20:47 ` Peter Xu
2024-11-15 17:26 ` Daniel P. Berrangé
2024-11-11 15:55 ` [PATCH v2 7/8] convert code to qdev_new_dynamic() where appropriate Daniel P. Berrangé
2024-11-14 21:00 ` Peter Xu
2024-11-11 15:55 ` [PATCH v2 8/8] hw: enforce use of static, const string with qdev_new() Daniel P. Berrangé
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