[xen master] xen/spinlock: address violations of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 489d13da935de56bc593889bc756b71106aff190
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Thu Apr 25 09:49:34 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 25 09:49:34 2024 +0200

    xen/spinlock: 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: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/common/spinlock.c      | 2 +-
 xen/include/xen/spinlock.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/common/spinlock.c b/xen/common/spinlock.c
index 5aa9ba6188..558ea7ac35 100644
--- a/xen/common/spinlock.c
+++ b/xen/common/spinlock.c
@@ -269,7 +269,7 @@ void spin_debug_disable(void)
         profile->lock_cnt++;                                                 \
     }
 #define LOCK_PROFILE_VAR(var, val)    s_time_t var = (val)
-#define LOCK_PROFILE_BLOCK(var)       var = var ? : NOW()
+#define LOCK_PROFILE_BLOCK(var)       (var) = (var) ? : NOW()
 #define LOCK_PROFILE_BLKACC(tst, val)                                        \
     if ( tst )                                                               \
     {                                                                        \
diff --git a/xen/include/xen/spinlock.h b/xen/include/xen/spinlock.h
index 18793c5e29..8825affb25 100644
--- a/xen/include/xen/spinlock.h
+++ b/xen/include/xen/spinlock.h
@@ -141,7 +141,7 @@ struct lock_profile_qhead {
         }                                                                     \
         prof->name = #l;                                                      \
         prof->ptr.lockptr = &(s)->l;                                          \
-        prof->is_rlock = isr;                                                 \
+        prof->is_rlock = (isr);                                               \
         prof->next = (s)->profile_head.elem_q;                                \
         (s)->profile_head.elem_q = prof;                                      \
     } while( 0 )
--
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