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[Xen-devel] [PATCH] memaccess: reduce include dependencies



The common header doesn't itself need to include public/vm_event.h nor
public/memory.h. Drop their inclusion. This requires using the non-
typedef names in two prototypes and an inline function; by not changing
the callers and function definitions at the same time it'll remain
certain that the build would fail if the typedef itself was changed.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/include/asm-arm/mem_access.h
+++ b/xen/include/asm-arm/mem_access.h
@@ -17,9 +17,11 @@
 #ifndef _ASM_ARM_MEM_ACCESS_H
 #define _ASM_ARM_MEM_ACCESS_H
 
+struct vm_event_st;
+
 static inline
 bool p2m_mem_access_emulate_check(struct vcpu *v,
-                                  const vm_event_response_t *rsp)
+                                  const struct vm_event_st *rsp)
 {
     /* Not supported on ARM. */
     return false;
--- a/xen/include/asm-x86/mem_access.h
+++ b/xen/include/asm-x86/mem_access.h
@@ -26,6 +26,8 @@
 #ifndef __ASM_X86_MEM_ACCESS_H__
 #define __ASM_X86_MEM_ACCESS_H__
 
+struct vm_event_st;
+
 /*
  * Setup vm_event request based on the access (gla is -1ull if not available).
  * Handles the rw2rx conversion. Boolean return value indicates if event type
@@ -36,12 +38,12 @@
  */
 bool p2m_mem_access_check(paddr_t gpa, unsigned long gla,
                           struct npfec npfec,
-                          vm_event_request_t **req_ptr);
+                          struct vm_event_st **req_ptr);
 
 /* Check for emulation and mark vcpu for skipping one instruction
  * upon rescheduling if required. */
 bool p2m_mem_access_emulate_check(struct vcpu *v,
-                                  const vm_event_response_t *rsp);
+                                  const struct vm_event_st *rsp);
 
 /* Sanity check for mem_access hardware support */
 bool p2m_mem_access_sanity_check(const struct domain *d);
--- a/xen/include/xen/mem_access.h
+++ b/xen/include/xen/mem_access.h
@@ -24,8 +24,6 @@
 
 #include <xen/types.h>
 #include <xen/mm.h>
-#include <public/memory.h>
-#include <public/vm_event.h>
 #include <asm/mem_access.h>
 
 /*

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