[xen staging] x86/MTRR: make hold_mtrr_updates_on_aps static and bool

[patchbot@xxxxxxx]

commit 4c1f1cae7b4e9fd221081a9cc3a42dd39aa69fb2
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Apr 8 09:39:11 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Apr 8 09:39:11 2025 +0200

    x86/MTRR: make hold_mtrr_updates_on_aps static and bool
    
    It's not used outside of the CU defining it, and it is clearly of
    boolean nature.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/cpu/mtrr/main.c    | 6 +++---
 xen/arch/x86/include/asm/mtrr.h | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/cpu/mtrr/main.c b/xen/arch/x86/cpu/mtrr/main.c
index 24cddcaddf..d4f549d92e 100644
--- a/xen/arch/x86/cpu/mtrr/main.c
+++ b/xen/arch/x86/cpu/mtrr/main.c
@@ -118,7 +118,7 @@ struct set_mtrr_data {
  * After all the cpus have came up, then mtrr_aps_sync_end() synchronizes all 
  * the cpus and updates mtrrs on all of them. Then this flag is turned off.
  */
-int hold_mtrr_updates_on_aps;
+static bool hold_mtrr_updates_on_aps;
 
 static void cf_check ipi_handler(void *info)
 /*  [SUMMARY] Synchronisation handler. Executed by "other" CPUs.
@@ -600,14 +600,14 @@ void mtrr_save_state(void)
 
 void mtrr_aps_sync_begin(void)
 {
-       hold_mtrr_updates_on_aps = 1;
+       hold_mtrr_updates_on_aps = true;
 }
 
 void mtrr_aps_sync_end(void)
 {
        if (mtrr_if)
                set_mtrr(~0U, 0, 0, 0);
-       hold_mtrr_updates_on_aps = 0;
+       hold_mtrr_updates_on_aps = false;
 }
 
 void asmlinkage mtrr_bp_restore(void)
diff --git a/xen/arch/x86/include/asm/mtrr.h b/xen/arch/x86/include/asm/mtrr.h
index 48b59d2620..25d442659d 100644
--- a/xen/arch/x86/include/asm/mtrr.h
+++ b/xen/arch/x86/include/asm/mtrr.h
@@ -63,7 +63,6 @@ extern uint32_t get_pat_flags(struct vcpu *v, uint32_t 
gl1e_flags,
                               paddr_t gpaddr, paddr_t spaddr,
                               uint8_t gmtrr_mtype);
 extern uint8_t pat_type_2_pte_flags(uint8_t pat_type);
-extern int hold_mtrr_updates_on_aps;
 extern void mtrr_aps_sync_begin(void);
 extern void mtrr_aps_sync_end(void);
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging