linux-stable.git/fs/Kconfig.binfmt, branch linux-5.2.y Linux kernel stable tree treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21T08:50:46+00:00 Thomas Gleixner tglx@linutronix.de 2019-05-19T12:07:45+00:00 ec8f24b7faaf3d4799a7c3f4c1b87f6b02778ad1 Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-01T23:06:55+00:00 Christoph Hellwig hch@lst.de 2018-07-31T11:39:34+00:00 006477f40d2e79cd1ba655af94fbd9b2a585bfef No need to have this in the top-level Kconfig. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> 
No need to have this in the top-level Kconfig.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
docs: Fix more broken references 2018-06-15T21:11:26+00:00 Mauro Carvalho Chehab mchehab+samsung@kernel.org 2018-05-08T18:14:57+00:00 34962fb8070cb5a60b686a5ee11f81f2978836bd As we move stuff around, some doc references are broken. Fix some of them via this script: ./scripts/documentation-file-ref-check --fix Manually checked that produced results are valid. Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Takashi Iwai <tiwai@suse.de> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net> 
As we move stuff around, some doc references are broken. Fix some of
them via this script:
	./scripts/documentation-file-ref-check --fix

Manually checked that produced results are valid.

Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
treewide: simplify Kconfig dependencies for removed archs 2018-03-26T13:55:57+00:00 Arnd Bergmann arnd@arndb.de 2018-03-07T22:30:54+00:00 a687a5337063af99ebd0eebaa6f4b4cf2e07c21b A lot of Kconfig symbols have architecture specific dependencies. In those cases that depend on architectures we have already removed, they can be omitted. Acked-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> 
A lot of Kconfig symbols have architecture specific dependencies.
In those cases that depend on architectures we have already removed,
they can be omitted.

Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARM: enable elf_fdpic on systems with an MMU 2017-09-10T23:31:46+00:00 Nicolas Pitre nicolas.pitre@linaro.org 2017-08-11T04:53:39+00:00 382e67aec6a7eea8ed4403e86950b468a191c468 Provide the necessary changes to be able to execute ELF-FDPIC binaries on ARM systems with an MMU. The default for CONFIG_BINFMT_ELF_FDPIC is also set to n if the regular ELF loader is already configured so not to force FDPIC support on everyone. Given that CONFIG_BINFMT_ELF depends on CONFIG_MMU, this means CONFIG_BINFMT_ELF_FDPIC will still default to y when !MMU. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Mickael GUENE <mickael.guene@st.com> Tested-by: Vincent Abriou <vincent.abriou@st.com> Tested-by: Andras Szemzo <szemzo.andras@gmail.com> 
Provide the necessary changes to be able to execute ELF-FDPIC binaries
on ARM systems with an MMU.

The default for CONFIG_BINFMT_ELF_FDPIC is also set to n if the regular
ELF loader is already configured so not to force FDPIC support on
everyone. Given that CONFIG_BINFMT_ELF depends on CONFIG_MMU, this means
CONFIG_BINFMT_ELF_FDPIC will still default to y when !MMU.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mickael GUENE <mickael.guene@st.com>
Tested-by: Vincent Abriou <vincent.abriou@st.com>
Tested-by: Andras Szemzo <szemzo.andras@gmail.com>
ARM: add ELF_FDPIC support 2017-09-10T23:31:46+00:00 Nicolas Pitre nicolas.pitre@linaro.org 2017-07-22T05:02:40+00:00 50b2b2e691cd4ff30331ba9a6156b29a07b60f90 This includes the necessary code to recognise the FDPIC format on ARM and the ptrace command definitions used by the common ptrace code. Based on patches originally from Mickael Guene <mickael.guene@st.com>. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Mickael GUENE <mickael.guene@st.com> Tested-by: Vincent Abriou <vincent.abriou@st.com> Tested-by: Andras Szemzo <szemzo.andras@gmail.com> 
This includes the necessary code to recognise the FDPIC format on ARM
and the ptrace command definitions used by the common ptrace code.

Based on patches originally from Mickael Guene <mickael.guene@st.com>.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mickael GUENE <mickael.guene@st.com>
Tested-by: Vincent Abriou <vincent.abriou@st.com>
Tested-by: Andras Szemzo <szemzo.andras@gmail.com>
docs: fix locations of several documents that got moved 2016-10-24T10:12:35+00:00 Mauro Carvalho Chehab mchehab@s-opensource.com 2016-10-18T12:12:27+00:00 8c27ceff3604b249a9efafbd1bd8b141b79e619d The previous patch renamed several files that are cross-referenced along the Kernel documentation. Adjust the links to point to the right places. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> 
The previous patch renamed several files that are cross-referenced
along the Kernel documentation. Adjust the links to point to
the right places.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
ARM: 8594/1: enable binfmt_flat on systems with an MMU 2016-08-12T15:47:05+00:00 Nicolas Pitre nicolas.pitre@linaro.org 2016-08-05T05:03:41+00:00 d782e426b835bd2e79d868eb4af8510ed79e0aee Now that the generic changes are in place, this can be enabled on ARM with the use of proper user space accessors in the flat_get_addr_from_rp() and flat_put_addr_at_rp() handlers as rp actually holds a user space address. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 
Now that the generic changes are in place, this can be enabled on ARM
with the use of proper user space accessors in the flat_get_addr_from_rp()
and flat_put_addr_at_rp() handlers as rp actually holds a user space
address.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
m68k: enable binfmt_flat on systems with an MMU 2016-07-28T03:29:13+00:00 Nicolas Pitre nicolas.pitre@linaro.org 2016-07-24T15:30:28+00:00 002d2f01f13f1671d771e1493a3405ed4986694d Now that the generic changes are in place, this can be enabled on m68k with the use of proper user space accessors in the flat_get_addr_from_rp() and flat_put_addr_at_rp() handlers as rp actually holds a user space address. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> 
Now that the generic changes are in place, this can be enabled on m68k
with the use of proper user space accessors in the flat_get_addr_from_rp()
and flat_put_addr_at_rp() handlers as rp actually holds a user space
address.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
ELF/MIPS build fix 2016-05-24T00:04:14+00:00 Ralf Baechle ralf@linux-mips.org 2016-05-23T23:22:26+00:00 f43edca7ed08fc02279f2a62015da5cb6aa0ad61 CONFIG_MIPS32_N32=y but CONFIG_BINFMT_ELF disabled results in the following linker errors: arch/mips/built-in.o: In function `elf_core_dump': binfmt_elfn32.c:(.text+0x23dbc): undefined reference to `elf_core_extra_phdrs' binfmt_elfn32.c:(.text+0x246e4): undefined reference to `elf_core_extra_data_size' binfmt_elfn32.c:(.text+0x248d0): undefined reference to `elf_core_write_extra_phdrs' binfmt_elfn32.c:(.text+0x24ac4): undefined reference to `elf_core_write_extra_data' CONFIG_MIPS32_O32=y but CONFIG_BINFMT_ELF disabled results in the following linker errors: arch/mips/built-in.o: In function `elf_core_dump': binfmt_elfo32.c:(.text+0x28a04): undefined reference to `elf_core_extra_phdrs' binfmt_elfo32.c:(.text+0x29330): undefined reference to `elf_core_extra_data_size' binfmt_elfo32.c:(.text+0x2951c): undefined reference to `elf_core_write_extra_phdrs' binfmt_elfo32.c:(.text+0x29710): undefined reference to `elf_core_write_extra_data' This is because binfmt_elfn32 and binfmt_elfo32 are using symbols from elfcore but for these configurations elfcore will not be built. Fixed by making elfcore selectable by a separate config symbol which unlike the current mechanism can also be used from other directories than kernel/, then having each flavor of ELF that relies on elfcore.o, select it in Kconfig, including CONFIG_MIPS32_N32 and CONFIG_MIPS32_O32 which fixes this issue. Link: http://lkml.kernel.org/r/20160520141705.GA1913@linux-mips.org Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: "Maciej W. Rozycki" <macro@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
CONFIG_MIPS32_N32=y but CONFIG_BINFMT_ELF disabled results in the
following linker errors:

  arch/mips/built-in.o: In function `elf_core_dump':
  binfmt_elfn32.c:(.text+0x23dbc): undefined reference to `elf_core_extra_phdrs'
  binfmt_elfn32.c:(.text+0x246e4): undefined reference to `elf_core_extra_data_size'
  binfmt_elfn32.c:(.text+0x248d0): undefined reference to `elf_core_write_extra_phdrs'
  binfmt_elfn32.c:(.text+0x24ac4): undefined reference to `elf_core_write_extra_data'

CONFIG_MIPS32_O32=y but CONFIG_BINFMT_ELF disabled results in the following
linker errors:

  arch/mips/built-in.o: In function `elf_core_dump':
  binfmt_elfo32.c:(.text+0x28a04): undefined reference to `elf_core_extra_phdrs'
  binfmt_elfo32.c:(.text+0x29330): undefined reference to `elf_core_extra_data_size'
  binfmt_elfo32.c:(.text+0x2951c): undefined reference to `elf_core_write_extra_phdrs'
  binfmt_elfo32.c:(.text+0x29710): undefined reference to `elf_core_write_extra_data'

This is because binfmt_elfn32 and binfmt_elfo32 are using symbols from
elfcore but for these configurations elfcore will not be built.

Fixed by making elfcore selectable by a separate config symbol which
unlike the current mechanism can also be used from other directories
than kernel/, then having each flavor of ELF that relies on elfcore.o,
select it in Kconfig, including CONFIG_MIPS32_N32 and CONFIG_MIPS32_O32
which fixes this issue.

Link: http://lkml.kernel.org/r/20160520141705.GA1913@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>