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Message-Id: <20240203-bus_cleanup-xen-v1-1-c2f5fe89ed95@marliere.net>
Date: Sat, 03 Feb 2024 15:53:37 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Juergen Gross <jgross@...e.com>,
Stefano Stabellini <sstabellini@...nel.org>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
Cc: xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 1/2] xen: pcpu: make xen_pcpu_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the xen_pcpu_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
drivers/xen/pcpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 508655273145..c63f317e3df3 100644
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -65,7 +65,7 @@ struct pcpu {
uint32_t flags;
};
-static struct bus_type xen_pcpu_subsys = {
+static const struct bus_type xen_pcpu_subsys = {
.name = "xen_cpu",
.dev_name = "xen_cpu",
};
--
2.43.0
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