[xen staging] x86/HVM: get_pat_flags() is needed only by shadow code

[patchbot@xxxxxxx]

commit 157c693e9a488fe125ffe7adfb807b783a7d1757
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jul 31 12:40:19 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jul 31 12:40:19 2024 +0200

    x86/HVM: get_pat_flags() is needed only by shadow code
    
    Therefore with SHADOW_PAGING=n this is better compiled out, to avoid
    leaving around unreachable/dead code.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
 xen/arch/x86/hvm/mtrr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/arch/x86/hvm/mtrr.c b/xen/arch/x86/hvm/mtrr.c
index 4620ed427c..797f2ae7fd 100644
--- a/xen/arch/x86/hvm/mtrr.c
+++ b/xen/arch/x86/hvm/mtrr.c
@@ -271,6 +271,8 @@ int mtrr_get_type(const struct mtrr_state *m, paddr_t pa, 
unsigned int order)
    return overlap_mtrr_pos;
 }
 
+#ifdef CONFIG_SHADOW_PAGING
+
 /*
  * return the memory type from PAT.
  * NOTE: valid only when paging is enabled.
@@ -359,6 +361,8 @@ uint32_t get_pat_flags(struct vcpu *v,
     return pat_type_2_pte_flags(pat_entry_value);
 }
 
+#endif /* CONFIG_SHADOW_PAGING */
+
 static inline bool valid_mtrr_type(uint8_t type)
 {
     switch ( type )
--
generated by git-patchbot for /home/xen/git/xen.git#staging