mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 21:38:32 +08:00
194dfe88d6
There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good. This
was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly
tricky and error-prone code.
There is a small merge conflict against a parisc cleanup, the
solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel. The
hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
There are some obvious conflicts against changes to the removed
files.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks.
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Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good.
This was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly tricky
and error-prone code. There is a small merge conflict against a
parisc cleanup, the solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel.
The hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks"
* tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (27 commits)
nds32: Remove the architecture
uaccess: remove CONFIG_SET_FS
ia64: remove CONFIG_SET_FS support
sh: remove CONFIG_SET_FS support
sparc64: remove CONFIG_SET_FS support
lib/test_lockup: fix kernel pointer check for separate address spaces
uaccess: generalize access_ok()
uaccess: fix type mismatch warnings from access_ok()
arm64: simplify access_ok()
m68k: fix access_ok for coldfire
MIPS: use simpler access_ok()
MIPS: Handle address errors for accesses above CPU max virtual user address
uaccess: add generic __{get,put}_kernel_nofault
nios2: drop access_ok() check from __put_user()
x86: use more conventional access_ok() definition
x86: remove __range_not_ok()
sparc64: add __{get,put}_kernel_nofault()
nds32: fix access_ok() checks in get/put_user
uaccess: fix nios2 and microblaze get_user_8()
sparc64: fix building assembly files
...
677 lines
20 KiB
Plaintext
677 lines
20 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config ALPHA
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bool
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default y
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select ARCH_32BIT_USTAT_F_TINODE
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select ARCH_MIGHT_HAVE_PC_PARPORT
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select ARCH_MIGHT_HAVE_PC_SERIO
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select ARCH_NO_PREEMPT
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select ARCH_NO_SG_CHAIN
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select ARCH_USE_CMPXCHG_LOCKREF
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select DMA_OPS if PCI
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select FORCE_PCI if !ALPHA_JENSEN
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select PCI_DOMAINS if PCI
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select PCI_SYSCALL if PCI
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select HAVE_ASM_MODVERSIONS
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select HAVE_PCSPKR_PLATFORM
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select HAVE_PERF_EVENTS
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select NEED_DMA_MAP_STATE
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select NEED_SG_DMA_LENGTH
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select VIRT_TO_BUS
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select GENERIC_IRQ_PROBE
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select GENERIC_PCI_IOMAP
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select AUTO_IRQ_AFFINITY if SMP
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select GENERIC_IRQ_SHOW
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select ARCH_WANT_IPC_PARSE_VERSION
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select ARCH_HAVE_NMI_SAFE_CMPXCHG
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select AUDIT_ARCH
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select GENERIC_CPU_VULNERABILITIES
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select GENERIC_SMP_IDLE_THREAD
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select HAVE_ARCH_AUDITSYSCALL
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select HAVE_MOD_ARCH_SPECIFIC
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select MODULES_USE_ELF_RELA
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select ODD_RT_SIGACTION
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select OLD_SIGSUSPEND
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select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
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select MMU_GATHER_NO_RANGE
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select SPARSEMEM_EXTREME if SPARSEMEM
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select ZONE_DMA
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help
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The Alpha is a 64-bit general-purpose processor designed and
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marketed by the Digital Equipment Corporation of blessed memory,
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now Hewlett-Packard. The Alpha Linux project has a home page at
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<http://www.alphalinux.org/>.
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config 64BIT
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def_bool y
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config MMU
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bool
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default y
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config ARCH_HAS_ILOG2_U32
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bool
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default n
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config ARCH_HAS_ILOG2_U64
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bool
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default n
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config GENERIC_ISA_DMA
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bool
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default y
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config PGTABLE_LEVELS
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int
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default 3
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config AUDIT_ARCH
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bool
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menu "System setup"
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choice
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prompt "Alpha system type"
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default ALPHA_GENERIC
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help
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This is the system type of your hardware. A "generic" kernel will
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run on any supported Alpha system. However, if you configure a
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kernel for your specific system, it will be faster and smaller.
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To find out what type of Alpha system you have, you may want to
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check out the Linux/Alpha FAQ, accessible on the WWW from
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<http://www.alphalinux.org/>. In summary:
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Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
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Alpha-XL XL-233, XL-266
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AlphaBook1 Alpha laptop
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Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
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Cabriolet AlphaPC64, AlphaPCI64
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DP264 DP264 / DS20 / ES40 / DS10 / DS10L
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EB164 EB164 21164 evaluation board
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EB64+ EB64+ 21064 evaluation board
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EB66 EB66 21066 evaluation board
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EB66+ EB66+ 21066 evaluation board
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Jensen DECpc 150, DEC 2000 models 300, 500
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LX164 AlphaPC164-LX
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Lynx AS 2100A
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Miata Personal Workstation 433/500/600 a/au
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Marvel AlphaServer ES47 / ES80 / GS1280
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Mikasa AS 1000
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Noname AXPpci33, UDB (Multia)
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Noritake AS 1000A, AS 600A, AS 800
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PC164 AlphaPC164
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Rawhide AS 1200, AS 4000, AS 4100
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Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
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SX164 AlphaPC164-SX
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Sable AS 2000, AS 2100
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Shark DS 20L
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Takara Takara (OEM)
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Titan AlphaServer ES45 / DS25 / DS15
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Wildfire AlphaServer GS 40/80/160/320
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If you don't know what to do, choose "generic".
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config ALPHA_GENERIC
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bool "Generic"
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depends on TTY
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select HAVE_EISA
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help
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A generic kernel will run on all supported Alpha hardware.
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config ALPHA_ALCOR
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bool "Alcor/Alpha-XLT"
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select HAVE_EISA
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help
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For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
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slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
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Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
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controller (256-bit memory bus) and a PCI interface. It also does
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all the work required to support an external Bcache and to maintain
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memory coherence when a PCI device DMAs into (or out of) memory.
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config ALPHA_XL
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bool "Alpha-XL"
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help
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XL-233 and XL-266-based Alpha systems.
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|
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config ALPHA_BOOK1
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bool "AlphaBook1"
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help
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Dec AlphaBook1/Burns Alpha-based laptops.
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config ALPHA_AVANTI_CH
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bool "Avanti"
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config ALPHA_CABRIOLET
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bool "Cabriolet"
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help
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Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
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baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
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slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
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Bcache SIMMs. Requires power supply with 3.3V output.
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config ALPHA_DP264
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bool "DP264"
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help
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Various 21264 systems with the tsunami core logic chipset.
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API Networks: 264DP, UP2000(+), CS20;
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Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
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config ALPHA_EB164
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bool "EB164"
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help
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EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
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ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
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shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
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Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
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MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
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motherboard. Requires power supply with 3.3V output.
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config ALPHA_EB64P_CH
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bool "EB64+"
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config ALPHA_EB66
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bool "EB66"
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help
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A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
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identical to EB64+. Baby PC-AT size. Runs from standard PC power
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supply. The EB66 schematic was published as a marketing poster
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advertising the 21066 as "the first microprocessor in the world with
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embedded PCI".
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config ALPHA_EB66P
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bool "EB66+"
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help
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Later variant of the EB66 board.
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config ALPHA_EIGER
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bool "Eiger"
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help
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Apparently an obscure OEM single-board computer based on the
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Typhoon/Tsunami chipset family. Information on it is scanty.
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config ALPHA_JENSEN
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bool "Jensen"
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select HAVE_EISA
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help
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DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
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of the first-generation Alpha systems. A number of these systems
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seem to be available on the second- hand market. The Jensen is a
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floor-standing tower system which originally used a 150MHz 21064 It
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used programmable logic to interface a 486 EISA I/O bridge to the
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CPU.
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config ALPHA_LX164
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bool "LX164"
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help
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A technical overview of this board is available at
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<http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
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config ALPHA_LYNX
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bool "Lynx"
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select HAVE_EISA
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help
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AlphaServer 2100A-based systems.
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config ALPHA_MARVEL
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bool "Marvel"
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help
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AlphaServer ES47 / ES80 / GS1280 based on EV7.
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config ALPHA_MIATA
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bool "Miata"
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select HAVE_EISA
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help
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The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
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or 600au).
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config ALPHA_MIKASA
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bool "Mikasa"
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help
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AlphaServer 1000-based Alpha systems.
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config ALPHA_NAUTILUS
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bool "Nautilus"
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help
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Alpha systems based on the AMD 751 & ALI 1543C chipsets.
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config ALPHA_NONAME_CH
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bool "Noname"
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config ALPHA_NORITAKE
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bool "Noritake"
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select HAVE_EISA
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help
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AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
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systems.
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config ALPHA_PC164
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bool "PC164"
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config ALPHA_P2K
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bool "Platform2000"
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config ALPHA_RAWHIDE
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bool "Rawhide"
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select HAVE_EISA
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help
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AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
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See HOWTO at
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<http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
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config ALPHA_RUFFIAN
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bool "Ruffian"
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help
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Samsung APC164UX. There is a page on known problems and workarounds
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at <http://www.alphalinux.org/faq/FAQ-11.html>.
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config ALPHA_RX164
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bool "RX164"
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config ALPHA_SX164
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bool "SX164"
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config ALPHA_SABLE
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bool "Sable"
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select HAVE_EISA
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help
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Digital AlphaServer 2000 and 2100-based systems.
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config ALPHA_SHARK
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bool "Shark"
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config ALPHA_TAKARA
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bool "Takara"
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help
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Alpha 11164-based OEM single-board computer.
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config ALPHA_TITAN
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bool "Titan"
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help
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AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
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config ALPHA_WILDFIRE
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bool "Wildfire"
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help
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AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
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endchoice
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# clear all implied options (don't want default values for those):
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# Most of these machines have ISA slots; not exactly sure which don't,
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# and this doesn't activate hordes of code, so do it always.
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config ISA
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bool
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default y
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help
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Find out whether you have ISA slots on your motherboard. ISA is the
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name of a bus system, i.e. the way the CPU talks to the other stuff
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inside your box. Other bus systems are PCI, EISA, MicroChannel
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(MCA) or VESA. ISA is an older system, now being displaced by PCI;
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newer boards don't support it. If you have ISA, say Y, otherwise N.
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config ISA_DMA_API
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bool
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default y
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config ALPHA_NONAME
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bool
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depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
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default y
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help
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The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
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UDB). This design was produced by Digital's Technical OEM (TOEM)
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group. It uses the 21066 processor running at 166MHz or 233MHz. It
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is a baby-AT size, and runs from a standard PC power supply. It has
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5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
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2 versions, with either PS/2 or large DIN connectors for the
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keyboard.
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config ALPHA_EV4
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bool
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depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
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default y if !ALPHA_LYNX
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config ALPHA_LCA
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bool
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depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
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default y
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config ALPHA_APECS
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bool
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depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
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default y
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config ALPHA_EB64P
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bool
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depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
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default y
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help
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Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
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2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
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ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
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(NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
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SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
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Runs from standard PC power supply.
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config ALPHA_EV5
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bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
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default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
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config ALPHA_EV4
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bool
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default y if ALPHA_LYNX && !ALPHA_EV5
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config ALPHA_CIA
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bool
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depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
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default y
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config ALPHA_EV56
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bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
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default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
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config ALPHA_EV56
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prompt "EV56 CPU (speed >= 333MHz)?"
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depends on ALPHA_NORITAKE || ALPHA_PRIMO
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config ALPHA_EV56
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prompt "EV56 CPU (speed >= 400MHz)?"
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depends on ALPHA_RAWHIDE
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config ALPHA_PRIMO
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bool "EV5 CPU daughtercard (model 5/xxx)?"
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depends on ALPHA_NORITAKE || ALPHA_MIKASA
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help
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Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
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config ALPHA_GAMMA
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bool "EV5 CPU(s) (model 5/xxx)?"
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depends on ALPHA_SABLE
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help
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Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
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config ALPHA_GAMMA
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bool
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depends on ALPHA_LYNX
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default y
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config ALPHA_T2
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bool
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depends on ALPHA_SABLE || ALPHA_LYNX
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default y
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|
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config ALPHA_PYXIS
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bool
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depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
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default y
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|
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config ALPHA_EV6
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bool
|
|
depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
|
|
default y
|
|
|
|
config ALPHA_TSUNAMI
|
|
bool
|
|
depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
|
|
default y
|
|
|
|
config ALPHA_EV67
|
|
bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
|
|
default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
|
|
help
|
|
Is this a machine based on the EV67 core? If in doubt, select N here
|
|
and the machine will be treated as an EV6.
|
|
|
|
config ALPHA_MCPCIA
|
|
bool
|
|
depends on ALPHA_RAWHIDE
|
|
default y
|
|
|
|
config ALPHA_POLARIS
|
|
bool
|
|
depends on ALPHA_RX164
|
|
default y
|
|
|
|
config ALPHA_IRONGATE
|
|
bool
|
|
depends on ALPHA_NAUTILUS
|
|
default y
|
|
|
|
config GENERIC_HWEIGHT
|
|
bool
|
|
default y if !ALPHA_EV67
|
|
|
|
config ALPHA_AVANTI
|
|
bool
|
|
depends on ALPHA_XL || ALPHA_AVANTI_CH
|
|
default y
|
|
help
|
|
Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
|
|
Alphas. Info at
|
|
<http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
|
|
|
|
config ALPHA_BROKEN_IRQ_MASK
|
|
bool
|
|
depends on ALPHA_GENERIC || ALPHA_PC164
|
|
default y
|
|
|
|
config VGA_HOSE
|
|
bool
|
|
depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
|
|
default y
|
|
help
|
|
Support VGA on an arbitrary hose; needed for several platforms
|
|
which always have multiple hoses, and whose consoles support it.
|
|
|
|
|
|
config ALPHA_QEMU
|
|
bool "Run under QEMU emulation"
|
|
depends on !ALPHA_GENERIC
|
|
help
|
|
Assume the presence of special features supported by QEMU PALcode
|
|
that reduce the overhead of system emulation.
|
|
|
|
Generic kernels will auto-detect QEMU. But when building a
|
|
system-specific kernel, the assumption is that we want to
|
|
eliminate as many runtime tests as possible.
|
|
|
|
If unsure, say N.
|
|
|
|
|
|
config ALPHA_SRM
|
|
bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
|
|
depends on TTY
|
|
default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
|
|
help
|
|
There are two different types of booting firmware on Alphas: SRM,
|
|
which is command line driven, and ARC, which uses menus and arrow
|
|
keys. Details about the Linux/Alpha booting process are contained in
|
|
the Linux/Alpha FAQ, accessible on the WWW from
|
|
<http://www.alphalinux.org/>.
|
|
|
|
The usual way to load Linux on an Alpha machine is to use MILO
|
|
(a bootloader that lets you pass command line parameters to the
|
|
kernel just like lilo does for the x86 architecture) which can be
|
|
loaded either from ARC or can be installed directly as a permanent
|
|
firmware replacement from floppy (which requires changing a certain
|
|
jumper on the motherboard). If you want to do either of these, say N
|
|
here. If MILO doesn't work on your system (true for Jensen
|
|
motherboards), you can bypass it altogether and boot Linux directly
|
|
from an SRM console; say Y here in order to do that. Note that you
|
|
won't be able to boot from an IDE disk using SRM.
|
|
|
|
If unsure, say N.
|
|
|
|
config ARCH_MAY_HAVE_PC_FDC
|
|
def_bool y
|
|
|
|
config SMP
|
|
bool "Symmetric multi-processing support"
|
|
depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
|
|
help
|
|
This enables support for systems with more than one CPU. If you have
|
|
a system with only one CPU, say N. If you have a system with more
|
|
than one CPU, say Y.
|
|
|
|
If you say N here, the kernel will run on uni- and multiprocessor
|
|
machines, but will use only one CPU of a multiprocessor machine. If
|
|
you say Y here, the kernel will run on many, but not all,
|
|
uniprocessor machines. On a uniprocessor machine, the kernel
|
|
will run faster if you say N here.
|
|
|
|
See also the SMP-HOWTO available at
|
|
<https://www.tldp.org/docs.html#howto>.
|
|
|
|
If you don't know what to do here, say N.
|
|
|
|
config NR_CPUS
|
|
int "Maximum number of CPUs (2-32)"
|
|
range 2 32
|
|
depends on SMP
|
|
default "32" if ALPHA_GENERIC || ALPHA_MARVEL
|
|
default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
|
|
help
|
|
MARVEL support can handle a maximum of 32 CPUs, all the others
|
|
with working support have a maximum of 4 CPUs.
|
|
|
|
config ARCH_SPARSEMEM_ENABLE
|
|
bool "Sparse Memory Support"
|
|
help
|
|
Say Y to support efficient handling of discontiguous physical memory,
|
|
for systems that have huge holes in the physical address space.
|
|
|
|
config ALPHA_WTINT
|
|
bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
|
|
default y if ALPHA_QEMU
|
|
default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
|
|
default n if !ALPHA_SRM && !ALPHA_GENERIC
|
|
default y if SMP
|
|
help
|
|
The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
|
|
to sleep until the next interrupt. This may reduce the power
|
|
consumed, and the heat produced by the computer. However, it has
|
|
the side effect of making the cycle counter unreliable as a timing
|
|
device across the sleep.
|
|
|
|
For emulation under QEMU, definitely say Y here, as we have other
|
|
mechanisms for measuring time than the cycle counter.
|
|
|
|
For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
|
|
MILO, sleep mode is not supported so you might as well say N here.
|
|
|
|
For SMP systems we cannot use the cycle counter for timing anyway,
|
|
so you might as well say Y here.
|
|
|
|
If unsure, say N.
|
|
|
|
# LARGE_VMALLOC is racy, if you *really* need it then fix it first
|
|
config ALPHA_LARGE_VMALLOC
|
|
bool
|
|
help
|
|
Process creation and other aspects of virtual memory management can
|
|
be streamlined if we restrict the kernel to one PGD for all vmalloc
|
|
allocations. This equates to about 8GB.
|
|
|
|
Under normal circumstances, this is so far and above what is needed
|
|
as to be laughable. However, there are certain applications (such
|
|
as benchmark-grade in-kernel web serving) that can make use of as
|
|
much vmalloc space as is available.
|
|
|
|
Say N unless you know you need gobs and gobs of vmalloc space.
|
|
|
|
config VERBOSE_MCHECK
|
|
bool "Verbose Machine Checks"
|
|
|
|
config VERBOSE_MCHECK_ON
|
|
int "Verbose Printing Mode (0=off, 1=on, 2=all)"
|
|
depends on VERBOSE_MCHECK
|
|
default 1
|
|
help
|
|
This option allows the default printing mode to be set, and then
|
|
possibly overridden by a boot command argument.
|
|
|
|
For example, if one wanted the option of printing verbose
|
|
machine checks, but wanted the default to be as if verbose
|
|
machine check printing was turned off, then one would choose
|
|
the printing mode to be 0. Then, upon reboot, one could add
|
|
the boot command line "verbose_mcheck=1" to get the normal
|
|
verbose machine check printing, or "verbose_mcheck=2" to get
|
|
the maximum information available.
|
|
|
|
Take the default (1) unless you want more control or more info.
|
|
|
|
choice
|
|
prompt "Timer interrupt frequency (HZ)?"
|
|
default HZ_128 if ALPHA_QEMU
|
|
default HZ_1200 if ALPHA_RAWHIDE
|
|
default HZ_1024
|
|
help
|
|
The frequency at which timer interrupts occur. A high frequency
|
|
minimizes latency, whereas a low frequency minimizes overhead of
|
|
process accounting. The later effect is especially significant
|
|
when being run under QEMU.
|
|
|
|
Note that some Alpha hardware cannot change the interrupt frequency
|
|
of the timer. If unsure, say 1024 (or 1200 for Rawhide).
|
|
|
|
config HZ_32
|
|
bool "32 Hz"
|
|
config HZ_64
|
|
bool "64 Hz"
|
|
config HZ_128
|
|
bool "128 Hz"
|
|
config HZ_256
|
|
bool "256 Hz"
|
|
config HZ_1024
|
|
bool "1024 Hz"
|
|
config HZ_1200
|
|
bool "1200 Hz"
|
|
endchoice
|
|
|
|
config HZ
|
|
int
|
|
default 32 if HZ_32
|
|
default 64 if HZ_64
|
|
default 128 if HZ_128
|
|
default 256 if HZ_256
|
|
default 1200 if HZ_1200
|
|
default 1024
|
|
|
|
config SRM_ENV
|
|
tristate "SRM environment through procfs"
|
|
depends on PROC_FS
|
|
help
|
|
If you enable this option, a subdirectory inside /proc called
|
|
/proc/srm_environment will give you access to the all important
|
|
SRM environment variables (those which have a name) and also
|
|
to all others (by their internal number).
|
|
|
|
SRM is something like a BIOS for Alpha machines. There are some
|
|
other such BIOSes, like AlphaBIOS, which this driver cannot
|
|
support (hey, that's not SRM!).
|
|
|
|
Despite the fact that this driver doesn't work on all Alphas (but
|
|
only on those which have SRM as their firmware), it's save to
|
|
build it even if your particular machine doesn't know about SRM
|
|
(or if you intend to compile a generic kernel). It will simply
|
|
not create those subdirectory in /proc (and give you some warning,
|
|
of course).
|
|
|
|
This driver is also available as a module and will be called
|
|
srm_env then.
|
|
|
|
endmenu
|
|
|
|
# DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
|
|
# but we also need it if VGA_HOSE is set
|
|
config DUMMY_CONSOLE
|
|
bool
|
|
depends on VGA_HOSE
|
|
default y
|