From bd5b7edbf8f4425f4b4e0d49a00cbdd48d9c6f48 Mon Sep 17 00:00:00 2001
From: Gavin Shan <gshan@redhat.com>
Date: Wed, 21 Dec 2022 08:48:45 +0800
Subject: [PATCH 2/8] hw/arm/virt: Rename variable size to region_size in
 virt_set_high_memmap()

RH-Author: Gavin Shan <gshan@redhat.com>
RH-MergeRequest: 126: hw/arm/virt: Optimize high memory region address assignment
RH-Bugzilla: 2113840
RH-Acked-by: Eric Auger <eric.auger@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [2/8] 1cadf1b00686cceb45821a58fdcb509bc5da335d

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2113840

This renames variable 'size' to 'region_size' in virt_set_high_memmap().
Its counterpart ('region_base') will be introduced in next patch.

No functional change intended.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Tested-by: Zhenyu Zhang <zhenyzha@redhat.com>
Message-id: 20221029224307.138822-3-gshan@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 370bea9d1c78796eec235ed6cb4310f489931a62)
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 hw/arm/virt.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index bea5f54720..ca098d40b8 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1739,15 +1739,16 @@ static uint64_t virt_cpu_mp_affinity(VirtMachineState *vms, int idx)
 static void virt_set_high_memmap(VirtMachineState *vms,
                                  hwaddr base, int pa_bits)
 {
+    hwaddr region_size;
+    bool fits;
     int i;
 
     for (i = VIRT_LOWMEMMAP_LAST; i < ARRAY_SIZE(extended_memmap); i++) {
-        hwaddr size = extended_memmap[i].size;
-        bool fits;
+        region_size = extended_memmap[i].size;
 
-        base = ROUND_UP(base, size);
+        base = ROUND_UP(base, region_size);
         vms->memmap[i].base = base;
-        vms->memmap[i].size = size;
+        vms->memmap[i].size = region_size;
 
         /*
          * Check each device to see if they fit in the PA space,
@@ -1755,9 +1756,9 @@ static void virt_set_high_memmap(VirtMachineState *vms,
          *
          * For each device that doesn't fit, disable it.
          */
-        fits = (base + size) <= BIT_ULL(pa_bits);
+        fits = (base + region_size) <= BIT_ULL(pa_bits);
         if (fits) {
-            vms->highest_gpa = base + size - 1;
+            vms->highest_gpa = base + region_size - 1;
         }
 
         switch (i) {
@@ -1772,7 +1773,7 @@ static void virt_set_high_memmap(VirtMachineState *vms,
             break;
         }
 
-        base += size;
+        base += region_size;
     }
 }
 
-- 
2.31.1