From: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Date: Thu, 28 Aug 2025 11:09:55 +0000 (+0100)
Subject: hw/i386/pc_piix.c: hardcode hole64_size to 0 in pc_init_isa()
X-Git-Tag: v10.2.0-rc1~117^2~16
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=20fd284ec3c6ec39fb8e062d52f1ee514e89c554;p=thirdparty%2Fqemu.git

hw/i386/pc_piix.c: hardcode hole64_size to 0 in pc_init_isa()

All isapc machines must have 32-bit CPUs and have no PCI 64-bit hole so it can be
hardcoded to 0.

Signed-off-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20250828111057.468712-13-mark.caveayland@nutanix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 0bc033943ca..66dc4a5186e 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -445,7 +445,6 @@ static void pc_init_isa(MachineState *machine)
     GSIState *gsi_state;
     MemoryRegion *ram_memory;
     MemoryRegion *rom_memory = system_memory;
-    uint64_t hole64_size = 0;
 
     /*
      * There is a small chance that someone unintentionally passes "-cpu max"
@@ -499,7 +498,7 @@ static void pc_init_isa(MachineState *machine)
 
     /* allocate ram and load rom/bios */
     if (!xen_enabled()) {
-        pc_memory_init(pcms, system_memory, rom_memory, hole64_size);
+        pc_memory_init(pcms, system_memory, rom_memory, 0);
     } else {
         assert(machine->ram_size == x86ms->below_4g_mem_size +
                                     x86ms->above_4g_mem_size);