[xen staging] xen/sched: address violations of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit d92a67b60c038ebb0f0b83a7f1ce5ad359e052d6
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Mon Mar 18 13:53:07 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Mar 18 13:53:07 2024 +0100

    xen/sched: address violations of MISRA C Rule 20.7
    
    MISRA C Rule 20.7 states: "Expressions resulting from the expansion
    of macro parameters shall be enclosed in parentheses". Therefore, some
    macro definitions should gain additional parentheses to ensure that all
    current and future users will be safe with respect to expansions that
    can possibly alter the semantics of the passed-in macro parameter.
    
    No functional change.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxx>
---
 xen/common/sched/private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/sched/private.h b/xen/common/sched/private.h
index 459d1dfb11..c0e7c96d24 100644
--- a/xen/common/sched/private.h
+++ b/xen/common/sched/private.h
@@ -540,7 +540,7 @@ static inline void sched_unit_unpause(const struct 
sched_unit *unit)
 }
 
 #define REGISTER_SCHEDULER(x) static const struct scheduler *x##_entry \
-  __used_section(".data.schedulers") = &x
+  __used_section(".data.schedulers") = &(x)
 
 struct cpupool
 {
--
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