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Re: [Qemu-devel] [PATCH for-2.5 15/18] pc: Remove redundant arguments fr
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH for-2.5 15/18] pc: Remove redundant arguments from xen_hvm_init() |
Date: |
Thu, 13 Aug 2015 14:06:04 +0300 |
On Fri, Aug 07, 2015 at 04:55:56PM -0300, Eduardo Habkost wrote:
> Remove arguments that can be found in PCMachineState.
>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
> hw/i386/pc_piix.c | 4 +---
> hw/i386/pc_q35.c | 4 +---
> include/hw/xen/xen.h | 4 ++--
> xen-hvm.c | 25 ++++++++++++-------------
> 4 files changed, 16 insertions(+), 21 deletions(-)
>
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index ce51cd1..d964f8d 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -134,9 +134,7 @@ static void pc_init1(MachineState *machine)
> pcms->below_4g_mem_size = machine->ram_size;
> }
>
> - if (xen_enabled() && xen_hvm_init(&pcms->below_4g_mem_size,
> - &pcms->above_4g_mem_size,
> - &ram_memory) != 0) {
> + if (xen_enabled() && xen_hvm_init(pcms, &ram_memory) != 0) {
> fprintf(stderr, "xen hardware virtual machine initialisation
> failed\n");
> exit(1);
> }
> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index cd4ecc3..b7b8709 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -125,9 +125,7 @@ static void pc_q35_init(MachineState *machine)
> pcms->below_4g_mem_size = machine->ram_size;
> }
>
> - if (xen_enabled() && xen_hvm_init(&pcms->below_4g_mem_size,
> - &pcms->above_4g_mem_size,
> - &ram_memory) != 0) {
> + if (xen_enabled() && xen_hvm_init(pcms, &ram_memory) != 0) {
> fprintf(stderr, "xen hardware virtual machine initialisation
> failed\n");
> exit(1);
> }
> diff --git a/include/hw/xen/xen.h b/include/hw/xen/xen.h
> index 4356af4..e90931a 100644
> --- a/include/hw/xen/xen.h
> +++ b/include/hw/xen/xen.h
> @@ -10,6 +10,7 @@
>
> #include "hw/irq.h"
> #include "qemu-common.h"
> +#include "qemu/typedefs.h"
>
> /* xen-machine.c */
> enum xen_mode {
> @@ -38,8 +39,7 @@ qemu_irq *xen_interrupt_controller_init(void);
> void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
>
> #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
> -int xen_hvm_init(ram_addr_t *below_4g_mem_size, ram_addr_t
> *above_4g_mem_size,
> - MemoryRegion **ram_memory);
> +int xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory);
> void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
> struct MemoryRegion *mr);
> void xen_modified_memory(ram_addr_t start, ram_addr_t length);
> diff --git a/xen-hvm.c b/xen-hvm.c
> index 0408462..55bce3a 100644
> --- a/xen-hvm.c
> +++ b/xen-hvm.c
> @@ -180,8 +180,7 @@ qemu_irq *xen_interrupt_controller_init(void)
>
> /* Memory Ops */
>
> -static void xen_ram_init(ram_addr_t *below_4g_mem_size,
> - ram_addr_t *above_4g_mem_size,
> +static void xen_ram_init(PCMachineState *pcms,
> ram_addr_t ram_size, MemoryRegion **ram_memory_p)
> {
> MemoryRegion *sysmem = get_system_memory();
> @@ -198,20 +197,20 @@ static void xen_ram_init(ram_addr_t *below_4g_mem_size,
> }
>
> if (ram_size >= user_lowmem) {
> - *above_4g_mem_size = ram_size - user_lowmem;
> - *below_4g_mem_size = user_lowmem;
> + pcms->above_4g_mem_size = ram_size - user_lowmem;
> + pcms->below_4g_mem_size = user_lowmem;
> } else {
> - *above_4g_mem_size = 0;
> - *below_4g_mem_size = ram_size;
> + pcms->above_4g_mem_size = 0;
> + pcms->below_4g_mem_size = ram_size;
> }
> - if (!*above_4g_mem_size) {
> + if (!pcms->above_4g_mem_size) {
> block_len = ram_size;
> } else {
> /*
> * Xen does not allocate the memory continuously, it keeps a
> * hole of the size computed above or passed in.
> */
> - block_len = (1ULL << 32) + *above_4g_mem_size;
> + block_len = (1ULL << 32) + pcms->above_4g_mem_size;
> }
> memory_region_init_ram(&ram_memory, NULL, "xen.ram", block_len,
> &error_abort);
> @@ -229,12 +228,12 @@ static void xen_ram_init(ram_addr_t *below_4g_mem_size,
> */
> memory_region_init_alias(&ram_lo, NULL, "xen.ram.lo",
> &ram_memory, 0xc0000,
> - *below_4g_mem_size - 0xc0000);
> + pcms->below_4g_mem_size - 0xc0000);
> memory_region_add_subregion(sysmem, 0xc0000, &ram_lo);
> - if (*above_4g_mem_size > 0) {
> + if (pcms->above_4g_mem_size > 0) {
> memory_region_init_alias(&ram_hi, NULL, "xen.ram.hi",
> &ram_memory, 0x100000000ULL,
> - *above_4g_mem_size);
> + pcms->above_4g_mem_size);
> memory_region_add_subregion(sysmem, 0x100000000ULL, &ram_hi);
> }
> }
> @@ -1159,7 +1158,7 @@ static void xen_wakeup_notifier(Notifier *notifier,
> void *data)
> }
>
> /* return 0 means OK, or -1 means critical issue -- will exit(1) */
> -int xen_hvm_init(ram_addr_t *below_4g_mem_size, ram_addr_t
> *above_4g_mem_size,
> +int xen_hvm_init(PCMachineState *pcms,
> MemoryRegion **ram_memory)
> {
> int i, rc;
This breaks the build: you didn't update the version in xen-hvm-stub.c
Please test on config with all options enabled.
> @@ -1270,7 +1269,7 @@ int xen_hvm_init(ram_addr_t *below_4g_mem_size,
> ram_addr_t *above_4g_mem_size,
>
> /* Init RAM management */
> xen_map_cache_init(xen_phys_offset_to_gaddr, state);
> - xen_ram_init(below_4g_mem_size, above_4g_mem_size, ram_size, ram_memory);
> + xen_ram_init(pcms, ram_size, ram_memory);
>
> qemu_add_vm_change_state_handler(xen_hvm_change_state_handler, state);
>
> --
> 2.1.0
- [Qemu-devel] [PATCH for-2.5 06/18] pc: Eliminate pc_common_machine_options(), (continued)
- [Qemu-devel] [PATCH for-2.5 06/18] pc: Eliminate pc_common_machine_options(), Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 07/18] pc: Eliminate pc_default_machine_options(), Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 08/18] pc: Use PCMachineState for pc_cmos_init() argument, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 09/18] pc: Use PCMachineState for pc_memory_init() argument, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 10/18] pc: Move {above, below}_4g_mem_size variables to PCMachineState, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 11/18] pc: Use PCMachineState as pc_guest_info_init() argument, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 12/18] pc: Remove redundant arguments from *load_linux(), Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 13/18] pc: Remove redundant arguments from pc_cmos_init(), Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 14/18] pc: Remove redundant arguments from pc_memory_init(), Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 15/18] pc: Remove redundant arguments from xen_hvm_init(), Eduardo Habkost, 2015/08/07
- Re: [Qemu-devel] [PATCH for-2.5 15/18] pc: Remove redundant arguments from xen_hvm_init(),
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH for-2.5 17/18] pc: Move legacy_acpi_table_size global to PCMachineClass, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 16/18] pc: Move compat boolean globals to PCMachineClass, Eduardo Habkost, 2015/08/07
- [Qemu-devel] [PATCH for-2.5 18/18] pc: Move acpi_data_size global to PCMachineClass, Eduardo Habkost, 2015/08/07