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[PATCH v2 1/2] xen/common: annotate saved_cmdline with __ro_after_init
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: dmukhin@xxxxxxxx
- Date: Mon, 3 Aug 2026 00:00:46 -0700
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- Delivery-date: Mon, 03 Aug 2026 07:01:15 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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From: Denis Mukhin <dmukhin@xxxxxxxx>
The hypervisor command line is not modified after initialization.
Annotate saved_cmdline with __ro_after_init to place it in the
dedicated read-only-after-init section.
Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
Changes since v1:
- new patch
---
xen/common/kernel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/common/kernel.c b/xen/common/kernel.c
index fb45f8139995..d1bef9ac2b2b 100644
--- a/xen/common/kernel.c
+++ b/xen/common/kernel.c
@@ -34,7 +34,7 @@ bool __ro_after_init opt_dit = IS_ENABLED(CONFIG_DIT_DEFAULT);
boolean_param("dit", opt_dit);
#endif
-static xen_commandline_t saved_cmdline;
+static xen_commandline_t __ro_after_init saved_cmdline;
static const char __initconst opt_builtin_cmdline[] = CONFIG_CMDLINE;
char __ro_after_init xen_cap_info[128];
--
2.54.0
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