[xen master] x86/irq: parenthesize negative constants

[patchbot@xxxxxxx]

commit acb13d1b819e5e3fc1ac217d43f297a7eec5a81e
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Mon Mar 11 09:35:50 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Mar 11 09:35:50 2024 +0100

    x86/irq: parenthesize negative constants
    
    These constants are parenthesized to avoid them from
    possibly influencing the semantics of the constructs where it is used,
    especially inside macros invocations.
    
    This also resolves some violations of MISRA C Rule 20.7
    ("Expressions resulting from the expansion of macro parameters shall
    be enclosed in parentheses").
    
    No functional change.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/include/asm/irq.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/include/asm/irq.h b/xen/arch/x86/include/asm/irq.h
index 082a3d6bbc..7d49f3c190 100644
--- a/xen/arch/x86/include/asm/irq.h
+++ b/xen/arch/x86/include/asm/irq.h
@@ -172,16 +172,16 @@ void cleanup_domain_irq_mapping(struct domain *d);
     void *__ret = radix_tree_lookup(&(d)->arch.irq_pirq, irq);  \
     __ret ? radix_tree_ptr_to_int(__ret) : 0;                   \
 })
-#define PIRQ_ALLOCATED -1
+#define PIRQ_ALLOCATED (-1)
 #define domain_pirq_to_emuirq(d, pirq) pirq_field(d, pirq,              \
     arch.hvm.emuirq, IRQ_UNBOUND)
 #define domain_emuirq_to_pirq(d, emuirq) ({                             \
     void *__ret = radix_tree_lookup(&(d)->arch.hvm.emuirq_pirq, emuirq);\
     __ret ? radix_tree_ptr_to_int(__ret) : IRQ_UNBOUND;                 \
 })
-#define IRQ_UNBOUND -1
-#define IRQ_PT -2
-#define IRQ_MSI_EMU -3
+#define IRQ_UNBOUND (-1)
+#define IRQ_PT      (-2)
+#define IRQ_MSI_EMU (-3)
 
 bool cpu_has_pending_apic_eoi(void);
 
--
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