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Re: [Qemu-devel] [PATCH v2 10/14] pc: Remove RAM size fields from PcGues


From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] [PATCH v2 10/14] pc: Remove RAM size fields from PcGuestInfo
Date: Tue, 15 Dec 2015 16:15:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 12/11/2015 08:42 PM, Eduardo Habkost wrote:
The ACPI code can use the PCMachineState fields directly.

Signed-off-by: Eduardo Habkost <address@hidden>
---
  hw/i386/acpi-build.c | 10 +++++-----
  hw/i386/pc.c         |  2 --
  include/hw/i386/pc.h |  1 -
  3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 46b83ad..9598eac 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1509,17 +1509,17 @@ build_srat(GArray *table_data, GArray *linker)
          next_base = mem_base + mem_len;

          /* Cut out the ACPI_PCI hole */
-        if (mem_base <= guest_info->ram_size_below_4g &&
-            next_base > guest_info->ram_size_below_4g) {
-            mem_len -= next_base - guest_info->ram_size_below_4g;
+        if (mem_base <= pcms->below_4g_mem_size &&
+            next_base > pcms->below_4g_mem_size) {
+            mem_len -= next_base - pcms->below_4g_mem_size;
              if (mem_len > 0) {
                  numamem = acpi_data_push(table_data, sizeof *numamem);
                  acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1,
                                         MEM_AFFINITY_ENABLED);
              }
              mem_base = 1ULL << 32;
-            mem_len = next_base - guest_info->ram_size_below_4g;
-            next_base += (1ULL << 32) - guest_info->ram_size_below_4g;
+            mem_len = next_base - pcms->below_4g_mem_size;
+            next_base += (1ULL << 32) - pcms->below_4g_mem_size;
          }
          numamem = acpi_data_push(table_data, sizeof *numamem);
          acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1,
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f8d4531..998fe4e 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1187,8 +1187,6 @@ PcGuestInfo *pc_guest_info_init(PCMachineState *pcms)
      PcGuestInfo *guest_info = &pcms->acpi_guest_info;
      int i, j;

-    guest_info->ram_size_below_4g = pcms->below_4g_mem_size;
-    guest_info->ram_size = pcms->below_4g_mem_size + pcms->above_4g_mem_size;
      guest_info->apic_id_limit = pc_apic_id_limit(max_cpus);
      guest_info->apic_xrupt_override = kvm_allows_irq0_override();
      guest_info->numa_nodes = nb_numa_nodes;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index d24682f..30c7a5b 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -23,7 +23,6 @@
  /* Machine info for ACPI build: */
  struct PcGuestInfo {
      bool isapc_ram_fw;
-    hwaddr ram_size, ram_size_below_4g;

I understand the ram_size_below_4g change.
So nobody was using PcGuestInfo->ram_size?
Since this is probably true:

Reviewed-by: Marcel Apfelbaum <address@hidden>


      unsigned apic_id_limit;
      bool apic_xrupt_override;
      uint64_t numa_nodes;






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