On Tuesday, May 21, 2013 01:49:35 PM Stephen Rothwell wrote:
> Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
> it has been basically impossible to build a kernel with CONFIG_HOTPLUG
> turned off. Remove all the remaining references to it.
Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
> Cc: linux-a...@vger.kernel.org
> Cc: Russell King <li...@arm.linux.org.uk>
> Cc: linux-arm-ker...@lists.infradead.org
> Cc: Doug Thompson <dougthomp...@xmission.com>
> Cc: linux-e...@vger.kernel.org
> Cc: Bjorn Helgaas <bhelg...@google.com>
> Cc: linux-...@vger.kernel.org
> Cc: linux-pcm...@lists.infradead.org
> Cc: Hans Verkuil <hans.verk...@cisco.com>
> Cc: Steven Whitehouse <swhit...@redhat.com>
> Cc: cluster-de...@redhat.com
> Cc: Arnd Bergmann <a...@arndb.de>
> Cc: Pavel Machek <pa...@ucw.cz>
> Cc: "Rafael J. Wysocki" <r...@sisk.pl>
> Cc: linux...@vger.kernel.org
> Cc: Andrew Morton <a...@linux-foundation.org>
> Cc: linux...@kvack.org
> Signed-off-by: Stephen Rothwell <s...@canb.auug.org.au>
> ---
> Documentation/ABI/testing/sysfs-bus-pci | 5 +----
> Documentation/SubmitChecklist | 2 +-
> Documentation/cpu-hotplug.txt | 2 +-
> Documentation/hwmon/submitting-patches | 3 +--
> Documentation/kbuild/kconfig.txt | 2 +-
> Documentation/usb/hotplug.txt | 6 +++---
> arch/arm/Kconfig | 2 +-
> arch/arm/kernel/module.c | 8 --------
> arch/arm/kernel/vmlinux.lds.S | 4 ----
> arch/arm/mach-ixp4xx/Kconfig | 1 -
> arch/blackfin/Kconfig | 2 +-
> arch/cris/arch-v32/drivers/Kconfig | 1 -
> arch/ia64/Kconfig | 1 -
> arch/mips/Kconfig | 2 +-
> arch/parisc/Kconfig | 1 -
> arch/powerpc/Kconfig | 2 +-
> arch/powerpc/mm/tlb_hash64.c | 4 ++--
> arch/s390/Kconfig | 1 -
> arch/sh/Kconfig | 2 +-
> arch/sparc/Kconfig | 1 -
> arch/x86/Kconfig | 2 +-
> drivers/base/Kconfig | 2 --
> drivers/char/pcmcia/Kconfig | 2 +-
> drivers/edac/Kconfig | 2 +-
> drivers/pci/Kconfig | 2 --
> drivers/pci/hotplug/Kconfig | 2 +-
> drivers/pcmcia/Kconfig | 1 -
> drivers/staging/media/go7007/go7007.txt | 1 -
> fs/gfs2/Kconfig | 5 ++---
> include/asm-generic/vmlinux.lds.h | 20 --------------------
> init/Kconfig | 3 ---
> kernel/power/Kconfig | 1 -
> mm/Kconfig | 2 +-
> 33 files changed, 22 insertions(+), 75 deletions(-)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-pci
> b/Documentation/ABI/testing/sysfs-bus-pci
> index 1ce5ae3..5210a51 100644
> --- a/Documentation/ABI/testing/sysfs-bus-pci
> +++ b/Documentation/ABI/testing/sysfs-bus-pci
> @@ -64,7 +64,6 @@ Description:
> Writing a non-zero value to this attribute will
> force a rescan of all PCI buses in the system, and
> re-discover previously removed devices.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../msi_irqs/
> Date: September, 2011
> @@ -90,7 +89,6 @@ Contact: Linux PCI developers <linux-...@vger.kernel.org>
> Description:
> Writing a non-zero value to this attribute will
> hot-remove the PCI device and any of its children.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../pci_bus/.../rescan
> Date: May 2011
> @@ -99,7 +97,7 @@ Description:
> Writing a non-zero value to this attribute will
> force a rescan of the bus and all child buses,
> and re-discover devices removed earlier from this
> - part of the device tree. Depends on CONFIG_HOTPLUG.
> + part of the device tree.
>
> What: /sys/bus/pci/devices/.../rescan
> Date: January 2009
> @@ -109,7 +107,6 @@ Description:
> force a rescan of the device's parent bus and all
> child buses, and re-discover devices removed earlier
> from this part of the device tree.
> - Depends on CONFIG_HOTPLUG.
>
> What: /sys/bus/pci/devices/.../reset
> Date: July 2009
> diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
> index dc0e332..2b7e32d 100644
> --- a/Documentation/SubmitChecklist
> +++ b/Documentation/SubmitChecklist
> @@ -105,5 +105,5 @@ kernel patches.
> same time, just various/random combinations of them]:
>
> CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI,
> - CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ,
> + CONFIG_BLOCK, CONFIG_PM, CONFIG_MAGIC_SYSRQ,
> CONFIG_NET, CONFIG_INET=n (but latter with CONFIG_NET=y)
> diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
> index 9f40135..0efd1b9 100644
> --- a/Documentation/cpu-hotplug.txt
> +++ b/Documentation/cpu-hotplug.txt
> @@ -128,7 +128,7 @@ A: When doing make defconfig, Enable CPU hotplug support
>
> "Processor type and Features" -> Support for Hotpluggable CPUs
>
> -Make sure that you have CONFIG_HOTPLUG, and CONFIG_SMP turned on as well.
> +Make sure that you have CONFIG_SMP turned on as well.
>
> You would need to enable CONFIG_HOTPLUG_CPU for SMP suspend/resume support
> as well.
> diff --git a/Documentation/hwmon/submitting-patches
> b/Documentation/hwmon/submitting-patches
> index 843751c..4628646 100644
> --- a/Documentation/hwmon/submitting-patches
> +++ b/Documentation/hwmon/submitting-patches
> @@ -27,8 +27,7 @@ increase the chances of your change being accepted.
> explicitly below the patch header.
>
> * If your patch (or the driver) is affected by configuration options such as
> - CONFIG_SMP or CONFIG_HOTPLUG, make sure it compiles for all configuration
> - variants.
> + CONFIG_SMP, make sure it compiles for all configuration variants.
>
>
> 2. Adding functionality to existing drivers
> diff --git a/Documentation/kbuild/kconfig.txt
> b/Documentation/kbuild/kconfig.txt
> index 3f429ed..213859e 100644
> --- a/Documentation/kbuild/kconfig.txt
> +++ b/Documentation/kbuild/kconfig.txt
> @@ -165,7 +165,7 @@ Searching in menuconfig:
> Example:
> /hotplug
> This lists all config symbols that contain "hotplug",
> - e.g., HOTPLUG, HOTPLUG_CPU, MEMORY_HOTPLUG.
> + e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
>
> For search help, enter / followed TAB-TAB-TAB (to highlight
> <Help>) and Enter. This will tell you that you can also use
> diff --git a/Documentation/usb/hotplug.txt b/Documentation/usb/hotplug.txt
> index 4c94571..6424b13 100644
> --- a/Documentation/usb/hotplug.txt
> +++ b/Documentation/usb/hotplug.txt
> @@ -33,9 +33,9 @@ you get the best hotplugging when you configure a highly
> modular system.
>
> KERNEL HOTPLUG HELPER (/sbin/hotplug)
>
> -When you compile with CONFIG_HOTPLUG, you get a new kernel parameter:
> -/proc/sys/kernel/hotplug, which normally holds the pathname "/sbin/hotplug".
> -That parameter names a program which the kernel may invoke at various times.
> +There is a kernel parameter: /proc/sys/kernel/hotplug, which normally
> +holds the pathname "/sbin/hotplug". That parameter names a program
> +which the kernel may invoke at various times.
>
> The /sbin/hotplug program can be invoked by any subsystem as part of its
> reaction to a configuration change, from a thread in that subsystem.
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index d423d58..b30db02 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1527,7 +1527,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu.
> diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
> index 1e9be5d..85c3fb6 100644
> --- a/arch/arm/kernel/module.c
> +++ b/arch/arm/kernel/module.c
> @@ -288,24 +288,16 @@ int module_finalize(const Elf32_Ehdr *hdr, const
> Elf_Shdr *sechdrs,
>
> if (strcmp(".ARM.exidx.init.text", secname) == 0)
> maps[ARM_SEC_INIT].unw_sec = s;
> - else if (strcmp(".ARM.exidx.devinit.text", secname) == 0)
> - maps[ARM_SEC_DEVINIT].unw_sec = s;
> else if (strcmp(".ARM.exidx", secname) == 0)
> maps[ARM_SEC_CORE].unw_sec = s;
> else if (strcmp(".ARM.exidx.exit.text", secname) == 0)
> maps[ARM_SEC_EXIT].unw_sec = s;
> - else if (strcmp(".ARM.exidx.devexit.text", secname) == 0)
> - maps[ARM_SEC_DEVEXIT].unw_sec = s;
> else if (strcmp(".init.text", secname) == 0)
> maps[ARM_SEC_INIT].txt_sec = s;
> - else if (strcmp(".devinit.text", secname) == 0)
> - maps[ARM_SEC_DEVINIT].txt_sec = s;
> else if (strcmp(".text", secname) == 0)
> maps[ARM_SEC_CORE].txt_sec = s;
> else if (strcmp(".exit.text", secname) == 0)
> maps[ARM_SEC_EXIT].txt_sec = s;
> - else if (strcmp(".devexit.text", secname) == 0)
> - maps[ARM_SEC_DEVEXIT].txt_sec = s;
> }
>
> for (i = 0; i < ARM_SEC_MAX; i++)
> diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
> index a871b8e..fa25e4e 100644
> --- a/arch/arm/kernel/vmlinux.lds.S
> +++ b/arch/arm/kernel/vmlinux.lds.S
> @@ -70,10 +70,6 @@ SECTIONS
> ARM_EXIT_DISCARD(EXIT_TEXT)
> ARM_EXIT_DISCARD(EXIT_DATA)
> EXIT_CALL
> -#ifndef CONFIG_HOTPLUG
> - *(.ARM.exidx.devexit.text)
> - *(.ARM.extab.devexit.text)
> -#endif
> #ifndef CONFIG_MMU
> *(.fixup)
> *(__ex_table)
> diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
> index 73a2d90..30e1ebe 100644
> --- a/arch/arm/mach-ixp4xx/Kconfig
> +++ b/arch/arm/mach-ixp4xx/Kconfig
> @@ -235,7 +235,6 @@ config IXP4XX_QMGR
> config IXP4XX_NPE
> tristate "IXP4xx Network Processor Engine support"
> select FW_LOADER
> - select HOTPLUG
> help
> This driver supports IXP4xx built-in network coprocessors
> and is automatically selected by Ethernet and HSS drivers.
> diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
> index a117652..b573827 100644
> --- a/arch/blackfin/Kconfig
> +++ b/arch/blackfin/Kconfig
> @@ -253,7 +253,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> default y
>
> config BF_REV_MIN
> diff --git a/arch/cris/arch-v32/drivers/Kconfig
> b/arch/cris/arch-v32/drivers/Kconfig
> index c55971a..ab725ed 100644
> --- a/arch/cris/arch-v32/drivers/Kconfig
> +++ b/arch/cris/arch-v32/drivers/Kconfig
> @@ -617,7 +617,6 @@ config ETRAX_PV_CHANGEABLE_BITS
> config ETRAX_CARDBUS
> bool "Cardbus support"
> depends on ETRAX_ARCH_V32
> - select HOTPLUG
> help
> Enabled the ETRAX Cardbus driver.
>
> diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
> index 1a2b774..5a768ad 100644
> --- a/arch/ia64/Kconfig
> +++ b/arch/ia64/Kconfig
> @@ -376,7 +376,6 @@ config NR_CPUS
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> depends on SMP
> - select HOTPLUG
> default n
> ---help---
> Say Y here to experiment with turning CPUs off and on. CPUs
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 7a58ab9..e433b90 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -962,7 +962,7 @@ config SYS_HAS_EARLY_PRINTK
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
> + depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
> help
> Say Y here to allow turning CPUs off and on. CPUs can be
> controlled through /sys/devices/system/cpu.
> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index cad060f..6d0969a 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -254,7 +254,6 @@ config IRQSTACKS
> config HOTPLUG_CPU
> bool
> default y if SMP
> - select HOTPLUG
>
> config ARCH_SELECT_MEMORY_MODEL
> def_bool y
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index c33e3ad..508e3fe 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -341,7 +341,7 @@ config SWIOTLB
>
> config HOTPLUG_CPU
> bool "Support for enabling/disabling CPUs"
> - depends on SMP && HOTPLUG && (PPC_PSERIES || \
> + depends on SMP && (PPC_PSERIES || \
> PPC_PMAC || PPC_POWERNV || (PPC_85xx && !PPC_E500MC))
> ---help---
> Say Y here to be able to disable and re-enable individual
> diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
> index 023ec8a..7df1c5e 100644
> --- a/arch/powerpc/mm/tlb_hash64.c
> +++ b/arch/powerpc/mm/tlb_hash64.c
> @@ -183,8 +183,8 @@ void tlb_flush(struct mmu_gather *tlb)
> * since 64K pages may overlap with other bridges when using 64K pages
> * with 4K HW pages on IO space.
> *
> - * Because of that usage pattern, it's only available with CONFIG_HOTPLUG
> - * and is implemented for small size rather than speed.
> + * Because of that usage pattern, it is implemented for small size rather
> + * than speed.
> */
> void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
> unsigned long end)
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index 2c9789d..d97868b 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -302,7 +302,6 @@ config HOTPLUG_CPU
> def_bool y
> prompt "Support for hot-pluggable CPUs"
> depends on SMP
> - select HOTPLUG
> help
> Say Y here to be able to turn CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu/cpu#.
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 8c868cf..1020dd8 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -748,7 +748,7 @@ config NR_CPUS
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
> - depends on SMP && HOTPLUG
> + depends on SMP
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu.
> diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
> index 9ac9f16..a00cbd3 100644
> --- a/arch/sparc/Kconfig
> +++ b/arch/sparc/Kconfig
> @@ -243,7 +243,6 @@ config SECCOMP
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> depends on SPARC64 && SMP
> - select HOTPLUG
> help
> Say Y here to experiment with turning CPUs off and on. CPUs
> can be controlled through /sys/devices/system/cpu/cpu#.
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 6a154a9..770cf04 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1726,7 +1726,7 @@ config PHYSICAL_ALIGN
>
> config HOTPLUG_CPU
> bool "Support for hot-pluggable CPUs"
> - depends on SMP && HOTPLUG
> + depends on SMP
> ---help---
> Say Y here to allow turning CPUs off and on. CPUs can be
> controlled through /sys/devices/system/cpu.
> diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
> index 07abd9d..5daa259 100644
> --- a/drivers/base/Kconfig
> +++ b/drivers/base/Kconfig
> @@ -2,7 +2,6 @@ menu "Generic Driver Options"
>
> config UEVENT_HELPER_PATH
> string "path to uevent helper"
> - depends on HOTPLUG
> default ""
> help
> Path to uevent helper program forked by the kernel for
> @@ -23,7 +22,6 @@ config UEVENT_HELPER_PATH
>
> config DEVTMPFS
> bool "Maintain a devtmpfs filesystem to mount at /dev"
> - depends on HOTPLUG
> help
> This creates a tmpfs/ramfs filesystem instance early at bootup.
> In this filesystem, the kernel driver core maintains device
> diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig
> index 2a166d5..b27f534 100644
> --- a/drivers/char/pcmcia/Kconfig
> +++ b/drivers/char/pcmcia/Kconfig
> @@ -3,7 +3,7 @@
> #
>
> menu "PCMCIA character devices"
> - depends on HOTPLUG && PCMCIA!=n
> + depends on PCMCIA!=n
>
> config SYNCLINK_CS
> tristate "SyncLink PC Card support"
> diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
> index e443f2c1..a697a64 100644
> --- a/drivers/edac/Kconfig
> +++ b/drivers/edac/Kconfig
> @@ -145,7 +145,7 @@ config EDAC_E7XXX
>
> config EDAC_E752X
> tristate "Intel e752x (e7520, e7525, e7320) and 3100"
> - depends on EDAC_MM_EDAC && PCI && X86 && HOTPLUG
> + depends on EDAC_MM_EDAC && PCI && X86
> help
> Support for error detection and correction on the Intel
> E7520, E7525, E7320 server chipsets.
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 6d51aa6..77497f1 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -55,7 +55,6 @@ config PCI_STUB
> config XEN_PCIDEV_FRONTEND
> tristate "Xen PCI Frontend"
> depends on PCI && X86 && XEN
> - select HOTPLUG
> select PCI_XEN
> select XEN_XENBUS_FRONTEND
> default y
> @@ -113,7 +112,6 @@ config PCI_IOAPIC
> tristate "PCI IO-APIC hotplug support" if X86
> depends on PCI
> depends on ACPI
> - depends on HOTPLUG
> default !X86
>
> config PCI_LABEL
> diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
> index 9fcb87f..bb7ebb2 100644
> --- a/drivers/pci/hotplug/Kconfig
> +++ b/drivers/pci/hotplug/Kconfig
> @@ -4,7 +4,7 @@
>
> menuconfig HOTPLUG_PCI
> tristate "Support for PCI Hotplug"
> - depends on PCI && HOTPLUG && SYSFS
> + depends on PCI && SYSFS
> ---help---
> Say Y here if you have a motherboard with a PCI Hotplug controller.
> This allows you to add and remove PCI cards while the machine is
> diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
> index b90f85b..1c63624 100644
> --- a/drivers/pcmcia/Kconfig
> +++ b/drivers/pcmcia/Kconfig
> @@ -4,7 +4,6 @@
>
> menuconfig PCCARD
> tristate "PCCard (PCMCIA/CardBus) support"
> - depends on HOTPLUG
> ---help---
> Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
> computer. These are credit-card size devices such as network cards,
> diff --git a/drivers/staging/media/go7007/go7007.txt
> b/drivers/staging/media/go7007/go7007.txt
> index fcb3e23..dc0026c 100644
> --- a/drivers/staging/media/go7007/go7007.txt
> +++ b/drivers/staging/media/go7007/go7007.txt
> @@ -78,7 +78,6 @@ All vendor-built kernels should already be configured
> properly. However,
> for custom-built kernels, the following options need to be enabled in the
> kernel as built-in or modules:
>
> - CONFIG_HOTPLUG - Support for hot-pluggable devices
> CONFIG_MODULES - Enable loadable module support
> CONFIG_KMOD - Automatic kernel module loading
> CONFIG_FW_LOADER - Hotplug firmware loading support
> diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
> index eb08c9e..432ea56 100644
> --- a/fs/gfs2/Kconfig
> +++ b/fs/gfs2/Kconfig
> @@ -20,13 +20,12 @@ config GFS2_FS
> be found here: http://sources.redhat.com/cluster
>
> The "nolock" lock module is now built in to GFS2 by default. If
> - you want to use the DLM, be sure to enable HOTPLUG and IPv4/6
> - networking.
> + you want to use the DLM, be sure to enable IPv4/6 networking.
>
> config GFS2_FS_LOCKING_DLM
> bool "GFS2 DLM locking"
> depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \
> - HOTPLUG && DLM && CONFIGFS_FS && SYSFS
> + DLM && CONFIGFS_FS && SYSFS
> help
> Multiple node locking module for GFS2
>
> diff --git a/include/asm-generic/vmlinux.lds.h
> b/include/asm-generic/vmlinux.lds.h
> index eb58d2d..4f27372 100644
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -68,14 +68,6 @@
> * are handled as text/data or they can be discarded (which
> * often happens at runtime)
> */
> -#ifdef CONFIG_HOTPLUG
> -#define DEV_KEEP(sec) *(.dev##sec)
> -#define DEV_DISCARD(sec)
> -#else
> -#define DEV_KEEP(sec)
> -#define DEV_DISCARD(sec) *(.dev##sec)
> -#endif
> -
> #ifdef CONFIG_HOTPLUG_CPU
> #define CPU_KEEP(sec) *(.cpu##sec)
> #define CPU_DISCARD(sec)
> @@ -182,8 +174,6 @@
> *(.data) \
> *(.ref.data) \
> *(.data..shared_aligned) /* percpu related */ \
> - DEV_KEEP(init.data) \
> - DEV_KEEP(exit.data) \
> CPU_KEEP(init.data) \
> CPU_KEEP(exit.data) \
> MEM_KEEP(init.data) \
> @@ -372,8 +362,6 @@
> /* __*init sections */ \
> __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \
> *(.ref.rodata) \
> - DEV_KEEP(init.rodata) \
> - DEV_KEEP(exit.rodata) \
> CPU_KEEP(init.rodata) \
> CPU_KEEP(exit.rodata) \
> MEM_KEEP(init.rodata) \
> @@ -416,8 +404,6 @@
> *(.text.hot) \
> *(.text) \
> *(.ref.text) \
> - DEV_KEEP(init.text) \
> - DEV_KEEP(exit.text) \
> CPU_KEEP(init.text) \
> CPU_KEEP(exit.text) \
> MEM_KEEP(init.text) \
> @@ -503,7 +489,6 @@
> /* init and exit section handling */
> #define INIT_DATA \
> *(.init.data) \
> - DEV_DISCARD(init.data) \
> CPU_DISCARD(init.data) \
> MEM_DISCARD(init.data) \
> KERNEL_CTORS() \
> @@ -511,7 +496,6 @@
> *(.init.rodata) \
> FTRACE_EVENTS() \
> TRACE_SYSCALLS() \
> - DEV_DISCARD(init.rodata) \
> CPU_DISCARD(init.rodata) \
> MEM_DISCARD(init.rodata) \
> CLK_OF_TABLES() \
> @@ -521,14 +505,11 @@
>
> #define INIT_TEXT \
> *(.init.text) \
> - DEV_DISCARD(init.text) \
> CPU_DISCARD(init.text) \
> MEM_DISCARD(init.text)
>
> #define EXIT_DATA \
> *(.exit.data) \
> - DEV_DISCARD(exit.data) \
> - DEV_DISCARD(exit.rodata) \
> CPU_DISCARD(exit.data) \
> CPU_DISCARD(exit.rodata) \
> MEM_DISCARD(exit.data) \
> @@ -536,7 +517,6 @@
>
> #define EXIT_TEXT \
> *(.exit.text) \
> - DEV_DISCARD(exit.text) \
> CPU_DISCARD(exit.text) \
> MEM_DISCARD(exit.text)
>
> diff --git a/init/Kconfig b/init/Kconfig
> index 9d3a788..a5e0917 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1244,9 +1244,6 @@ config SYSCTL_ARCH_UNALIGN_ALLOW
> the unaligned access emulation.
> see arch/parisc/kernel/unaligned.c for reference
>
> -config HOTPLUG
> - def_bool y
> -
> config HAVE_PCSPKR_PLATFORM
> bool
>
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index 5dfdc9e..9c39de0 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -100,7 +100,6 @@ config PM_SLEEP_SMP
> depends on SMP
> depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
> depends on PM_SLEEP
> - select HOTPLUG
> select HOTPLUG_CPU
>
> config PM_AUTOSLEEP
> diff --git a/mm/Kconfig b/mm/Kconfig
> index e742d06..f5e698e 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -173,7 +173,7 @@ config HAVE_BOOTMEM_INFO_NODE
> config MEMORY_HOTPLUG
> bool "Allow for memory hot-add"
> depends on SPARSEMEM || X86_64_ACPI_NUMA
> - depends on HOTPLUG && ARCH_ENABLE_MEMORY_HOTPLUG
> + depends on ARCH_ENABLE_MEMORY_HOTPLUG
> depends on (IA64 || X86 || PPC_BOOK3S_64 || SUPERH || S390)
>
> config MEMORY_HOTPLUG_SPARSE
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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