diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2014-08-20 21:58:12 +0200 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2014-09-08 11:23:05 -0500 |
| commit | be3af755ac1f5bd13a555ca75908b9e9b90aaa31 (patch) | |
| tree | 2972b81d9770cff9816b33f7f0ac3bc50cfd66f4 | |
| parent | bfe3e6f5e3f23cc73dc83b0f4badecd5db175575 (diff) | |
pc: reserve more memory for ACPI for new machine types
commit 868270f23d8db2cce83e4f082fe75e8625a5fbf9
acpi-build: tweak acpi migration limits
broke kernel loading with -kernel/-initrd: it doubled
the size of ACPI tables but did not reserve
enough memory.
As a result, issues on boot and halt are observed.
Fix this up by doubling reserved memory for new machine types.
Cc: qemu-stable@nongnu.org
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 927766c7d34275ecf586020cc5305e377cc4af10)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | hw/i386/pc.c | 12 | ||||
| -rw-r--r-- | hw/i386/pc_piix.c | 1 | ||||
| -rw-r--r-- | hw/i386/pc_q35.c | 1 | ||||
| -rw-r--r-- | include/hw/i386/pc.h | 2 |
4 files changed, 13 insertions, 3 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 2cf22b1293..97932a606c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -73,7 +73,12 @@ #endif /* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables. */ -#define ACPI_DATA_SIZE 0x10000 +unsigned acpi_data_size = 0x20000; +void pc_set_legacy_acpi_data_size(void) +{ + acpi_data_size = 0x10000; +} + #define BIOS_CFG_IOPORT 0x510 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) @@ -811,8 +816,9 @@ static void load_linux(FWCfgState *fw_cfg, initrd_max = 0x37ffffff; } - if (initrd_max >= max_ram_size-ACPI_DATA_SIZE) - initrd_max = max_ram_size-ACPI_DATA_SIZE-1; + if (initrd_max >= max_ram_size - acpi_data_size) { + initrd_max = max_ram_size - acpi_data_size - 1; + } fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr); fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(kernel_cmdline)+1); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 9694f88057..8dc829018e 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -318,6 +318,7 @@ static void pc_compat_2_0(MachineState *machine) legacy_acpi_table_size = 6652; smbios_legacy_mode = true; has_reserved_memory = false; + pc_set_legacy_acpi_data_size(); } static void pc_compat_1_7(MachineState *machine) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index c39ee98933..4e2dd495b5 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -282,6 +282,7 @@ static void pc_compat_2_0(MachineState *machine) { smbios_legacy_mode = true; has_reserved_memory = false; + pc_set_legacy_acpi_data_size(); } static void pc_compat_1_7(MachineState *machine) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f4b9b2bb71..5f0a265590 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -177,6 +177,8 @@ void pc_acpi_init(const char *default_dsdt); PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size, ram_addr_t above_4g_mem_size); +void pc_set_legacy_acpi_data_size(void); + #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start" #define PCI_HOST_PROP_PCI_HOLE_END "pci-hole-end" #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start" |