[xen staging] xen/arm: add ASSERT_UNREACHABLE in allocate_static_memory

[patchbot@xxxxxxx]

commit 489859a33681b2921bc08e6c37763fedd2c099d5
Author:     Penny Zheng <penny.zheng@xxxxxxx>
AuthorDate: Mon Feb 14 03:19:51 2022 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Feb 17 19:43:02 2022 +0000

    xen/arm: add ASSERT_UNREACHABLE in allocate_static_memory
    
    Helper allocate_static_memory is not meant to be reachable when built with
    !CONFIG_STATIC_MEMORY, so this commit adds ASSERT_UNREACHABLE in it to catch
    potential misuse.
    
    Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
    Tested-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/domain_build.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index ec29bd302c..52f256de9c 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -755,6 +755,7 @@ static void __init allocate_static_memory(struct domain *d,
                                           struct kernel_info *kinfo,
                                           const struct dt_device_node *node)
 {
+    ASSERT_UNREACHABLE();
 }
 
 static void __init assign_static_memory_11(struct domain *d,
--
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