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x86: 64: enable pci hotplug and acpipnp

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This will allow dynamically adding/removing at least virtio-net pci
devices which are quite the norm in cloud environment with QEMU/KVM

    netdev_add bridge,id=wan2,br=br-wan,helper=/home/yousong/.usr/libexec/qemu-bridge-helper
    device_add virtio-net-pci,id=devwan2,netdev=wan2,mac=11:22:33:22:11:00

The config was formed by selecting target x86/64 first, then select
CONFIG_HOTPLUG_PCI and CONFIG_HOTPLUG_PCI_ACPI with

    make kernel_menuconfig CONFIG_TARGET=subtarget

The following text tries to explain how the current config was formed

 1. CONFIG_PCI_LABEL and CONFIG_ATA_PIIX were removed because they were
    already enabled in x86 platform config
 2. CONFIG_ATA_SFF was removed because it was enabled in generic config
 3. CONFIG_NLS was removed because it will be selected by CONFIG_PCI_LABEL

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
This commit is contained in:
Yousong Zhou 2016-10-10 21:11:18 +08:00 committed by Felix Fietkau
parent 8869dd47ca
commit d1000f81a8
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
target/linux/x86/64/config-default
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@ -40,9 +40,6 @@ CONFIG_ARCH_SUPPORTS_INT128=y
CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH=y
CONFIG_ATA_SFF=y
CONFIG_ATA_PIIX=y
CONFIG_PATA_ATIIXP=y
CONFIG_AUDIT_ARCH=y
# CONFIG_BACKLIGHT_APPLE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
@ -109,6 +106,12 @@ CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HID=y
CONFIG_HID_BATTERY_STRENGTH=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_ACPI=y
# CONFIG_HOTPLUG_PCI_ACPI_IBM is not set
# CONFIG_HOTPLUG_PCI_CPCI is not set
# CONFIG_HOTPLUG_PCI_PCIE is not set
# CONFIG_HOTPLUG_PCI_SHPC is not set
CONFIG_HPET=y
CONFIG_HPET_MMAP=y
# CONFIG_HP_ACCEL is not set
@ -156,7 +159,6 @@ CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NLS=y
CONFIG_NR_CPUS=8
# CONFIG_NUMA is not set
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
@ -165,10 +167,10 @@ CONFIG_PARAVIRT_CLOCK=y
# CONFIG_PARAVIRT_DEBUG is not set
CONFIG_PARAVIRT_SPINLOCKS=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PATA_ATIIXP=y
CONFIG_PCIEAER=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCI_BUS_ADDR_T_64BIT=y
CONFIG_PCI_LABEL=y
# CONFIG_PCI_MMCONFIG is not set
CONFIG_PGTABLE_LEVELS=4
CONFIG_PHYSICAL_ALIGN=0x1000000
@ -241,9 +243,8 @@ CONFIG_X86_64=y
CONFIG_X86_64_SMP=y
CONFIG_X86_ACPI_CPUFREQ=y
# CONFIG_X86_ACPI_CPUFREQ_CPB is not set
# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
CONFIG_X86_AMD_FREQ_SENSITIVITY=y
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
CONFIG_X86_CMOV=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_DEBUGCTLMSR=y
@ -255,6 +256,7 @@ CONFIG_X86_MINIMUM_CPU_FAMILY=64
# CONFIG_X86_PCC_CPUFREQ is not set
# CONFIG_X86_PMEM_LEGACY is not set
CONFIG_X86_PM_TIMER=y
# CONFIG_X86_POWERNOW_K8 is not set
CONFIG_X86_TSC=y
# CONFIG_X86_VSYSCALL_EMULATION is not set
CONFIG_X86_X2APIC=y