[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 04/15] x86: Preinitialise all modules to be of kind BOOTMOD_UNKNOWN
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Alejandro Vallejo <agarciav@xxxxxxx>
- Date: Thu, 5 Jun 2025 21:47:56 +0200
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0)
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=3VkYpXY3zUXAOIvQP6YVzVO5MyvNvAMex59q1ydAmDM=; b=hA2UYD3tkKBV+RDbOPt5t0tLn/VRNqMjw1ee2OzljljS+u6eSnYmEYrorkZF2eD9gPvD0F6VB3RUez1iUqbBgxsK5XBDiIN7e0B6ekQGgPVw7JpGMwhoJk+q5JqgfcLA00RsFMVmfWQU9y/3Pwg18UxS8WJkNmKUJsy+R3wuRKKpwYwDITUQf2MSaGt10MaJ+ZQOtLhtbsTNTFxmTKpJ2Do2UX8znOm4sSHThDRJkz/VbFFUg5v/iVP8BzpZKvKfkQ/OYXgdQkHhyR26JKN87nXbzgraNSuKfFXYgOT5ZTjn/G7qhTjO7WY1a+mC1RvMWQZr/tYc+Fzcnr/R8VxF4A==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=QqttT4haV1WbWrIVWeaTR5v2WtV6e8UNiX3ZkwWYVWsRqPHk5unITK6hMp8a9D6qIRSliKqPgdPtbOh+lPstRDu+jY4dS5c+LpDyw6On1xHnpsrz2RG7uRN+5NI8ANU1oEiiirf4G5KA2anXqX11PoserTcyA8z4k/T+e+top9qQJ7Gp/xKR0gIkQAdQph6PG/a1wxOBnFVWqIhKwGTYqu7QLmo/PJ9pmqN+qdB2UxOoSBO27IdcY0PUw9FR3fHXMw3hmyyyEtbVai70QBDK/aUNIy/Yjg1WbYDq9qgc2czrbruDtE+LuKOcwiIXWH10pH9D809eRDX1hJDnIe7a3w==
- Cc: Alejandro Vallejo <agarciav@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Thu, 05 Jun 2025 19:49:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
A later patch removes boot_module and replaces its uses with bootmodule.
The equivalent field for "type" doesn't have BOOTMOD_UNKNOWN as a zero
value, so it must be explicitly set in the static xen_boot_info.
Not a functional change.
Signed-off-by: Alejandro Vallejo <agarciav@xxxxxxx>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
v2:
* Add comment stating why mods initialiser isn't off by one.
---
xen/arch/x86/setup.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 1f5cb67bd0..7d3b30e1db 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -298,6 +298,12 @@ struct boot_info __initdata xen_boot_info = {
.loader = "unknown",
.cmdline = "",
.domains = { [0 ... MAX_NR_BOOTDOMS - 1] = { .domid = DOMID_INVALID } },
+ /*
+ * There's a MAX_NR_BOOTMODS-th entry in the array. It's not off by one.
+ *
+ * The extra entry exists to be able to add the Xen image as a module.
+ */
+ .mods = { [0 ... MAX_NR_BOOTMODS] = { .type = BOOTMOD_UNKNOWN } },
};
static struct boot_info *__init multiboot_fill_boot_info(
--
2.43.0
|
