x86/p2m: constify p2m_mem_access_sanity_check()

Minor improvement; simply improving code quality by using consts
wherever reasonable.

Suggested-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Razvan Cojocaru <rcojocaru@bitdefender.com>
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
Acked-by: Tamas K Lengyel <tamas@tklengyel.com>

diff --git a/xen/arch/x86/mm/mem_access.c b/xen/arch/x86/mm/mem_access.c
index 30c2f1a13708f1484ec547e47268838e5053e784..56c06a4fc6a66cce83c749eeb2ec90f766dccbbe 100644 (file)
--- a/xen/arch/x86/mm/mem_access.c
+++ b/xen/arch/x86/mm/mem_access.c
@@ -541,7 +541,7 @@ void arch_p2m_set_access_required(struct domain *d, bool access_required)
 #endif
 }
 
-bool p2m_mem_access_sanity_check(struct domain *d)
+bool p2m_mem_access_sanity_check(const struct domain *d)
 {
     return is_hvm_domain(d) && cpu_has_vmx && hap_enabled(d);
 }

diff --git a/xen/include/asm-x86/mem_access.h b/xen/include/asm-x86/mem_access.h
index c815db87c5c32346fb8f148fb67b9490960100be..99817a33db42801cdb42ac6e9648b014a16e11ba 100644 (file)
--- a/xen/include/asm-x86/mem_access.h
+++ b/xen/include/asm-x86/mem_access.h
@@ -44,7 +44,7 @@ bool p2m_mem_access_emulate_check(struct vcpu *v,
                                   const vm_event_response_t *rsp);
 
 /* Sanity check for mem_access hardware support */
-bool p2m_mem_access_sanity_check(struct domain *d);
+bool p2m_mem_access_sanity_check(const struct domain *d);
 
 #endif /*__ASM_X86_MEM_ACCESS_H__ */