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| author |   Christoph Hellwig <hch@lst.de> | 2019-06-13 09:08:57 +0200 |
|---|---|---|
| committer |   Greg Ungerer <gerg@kernel.org> | 2019-06-24 09:16:47 +1000 |
| commit | aef0f78e7460cd2889fe5359b26f7ad3c9555630 (patch) | |
| tree | 54ddbc7ae8bd0685715a17827bcfb92a43f5d664 | |
| parent | binfmt_flat: add endianess annotations (diff) | |
| download | linux-dev-aef0f78e7460cd2889fe5359b26f7ad3c9555630.tar.xz linux-dev-aef0f78e7460cd2889fe5359b26f7ad3c9555630.zip | |
binfmt_flat: add a ARCH_HAS_BINFMT_FLAT option
Allow architectures to opt into ARCH_HAS_BINFMT_FLAT support instead of
assuming that all nommu ports support the format.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/c6x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/h8300/Kconfig | 1 | ||||
| -rw-r--r-- | arch/m68k/Kconfig | 1 | ||||
| -rw-r--r-- | arch/microblaze/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sh/Kconfig | 1 | ||||
| -rw-r--r-- | arch/xtensa/Kconfig | 1 | ||||
| -rw-r--r-- | fs/Kconfig.binfmt | 5 |
8 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b1b48c0bde76..695a26c68064 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -4,6 +4,7 @@ config ARM default y select ARCH_32BIT_OFF_T select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index eeb0471268a0..78dfe186d708 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -7,6 +7,7 @@ config C6X def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select CLKDEV_LOOKUP diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 7457f190caaa..ec800e9d5aad 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -2,6 +2,7 @@ config H8300 def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_BINFMT_FLAT select BINFMT_FLAT_ARGVP_ENVP_ON_STACK select BINFMT_FLAT_OLD_ALWAYS_RAM select GENERIC_ATOMIC64 diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index fd69ee5ad6ab..c0c43c624afa 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -3,6 +3,7 @@ config M68K bool default y select ARCH_32BIT_OFF_T + select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA select ARCH_MIGHT_HAVE_PC_PARPORT if ISA select ARCH_NO_COHERENT_DMA_MMAP if !MMU diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index f11433daab4a..d411de05b628 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -3,6 +3,7 @@ config MICROBLAZE def_bool y select ARCH_32BIT_OFF_T select ARCH_NO_SWAP + select ARCH_HAS_BINFMT_FLAT if !MMU select ARCH_HAS_DMA_COHERENT_TO_PFN if MMU select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_SYNC_DMA_FOR_CPU diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b77f512bb176..df3e6215b78c 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 config SUPERH def_bool y + select ARCH_HAS_BINFMT_FLAT if !MMU select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_MIGHT_HAVE_PC_PARPORT diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 6ec1b75eabc5..ebc135bda921 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -2,6 +2,7 @@ config XTENSA def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_BINFMT_FLAT if !MMU select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_NO_COHERENT_DMA_MMAP if !MMU diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 82f7d7f234f3..286b425b30b9 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -91,9 +91,12 @@ config BINFMT_SCRIPT Most systems will not boot if you say M or N here. If unsure, say Y. +config ARCH_HAS_BINFMT_FLAT + bool + config BINFMT_FLAT bool "Kernel support for flat binaries" - depends on !MMU || ARM || M68K + depends on ARCH_HAS_BINFMT_FLAT help Support uClinux FLAT format binaries. |