linux-stable.git/arch/sh/include/asm, branch v5.3

Merge tag 'asm-generic-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

2019-07-12T22:41:33+00:00

Pull asm-generic updates from Arnd Bergmann:
 "The asm-generic changes for 5.3 consist of a cleanup series to remove
  ptrace.h from Christoph Hellwig, who explains:

    'asm-generic/ptrace.h is a little weird in that it doesn't actually
     implement any functionality, but it provided multiple layers of
     macros that just implement trivial inline functions. We implement
     those directly in the few architectures and be off with a much
     simpler design.'

  at https://lore.kernel.org/lkml/20190624054728.30966-1-hch@lst.de/"

* tag 'asm-generic-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  asm-generic: remove ptrace.h
  x86: don't use asm-generic/ptrace.h
  sh: don't use asm-generic/ptrace.h
  powerpc: don't use asm-generic/ptrace.h
  arm64: don't use asm-generic/ptrace.h

sh: use the generic get_user_pages_fast code

2019-07-12T18:05:44+00:00

The sh code is mostly equivalent to the generic one, minus various
bugfixes and two arch overrides that this patch adds to pgtable.h.

Link: http://lkml.kernel.org/r/20190625143715.1689-7-hch@lst.de
Signed-off-by: Christoph Hellwig 
Cc: Andrey Konovalov 
Cc: Benjamin Herrenschmidt 
Cc: David Miller 
Cc: James Hogan 
Cc: Jason Gunthorpe 
Cc: Khalid Aziz 
Cc: Michael Ellerman 
Cc: Nicholas Piggin 
Cc: Paul Burton 
Cc: Paul Mackerras 
Cc: Ralf Baechle 
Cc: Rich Felker 
Cc: Yoshinori Sato 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

sh: add the missing pud_page definition

2019-07-12T18:05:44+00:00

sh only had pud_page_vaddr, but not pud_page.

[hch@lst.de: sh: stub out pud_page]
  Link: http://lkml.kernel.org/r/20190701151818.32227-2-hch@lst.de
Link: http://lkml.kernel.org/r/20190625143715.1689-6-hch@lst.de
Signed-off-by: Christoph Hellwig 
Tested-by: Guenter Roeck 
Cc: Andrey Konovalov 
Cc: Benjamin Herrenschmidt 
Cc: David Miller 
Cc: James Hogan 
Cc: Jason Gunthorpe 
Cc: Khalid Aziz 
Cc: Michael Ellerman 
Cc: Nicholas Piggin 
Cc: Paul Burton 
Cc: Paul Mackerras 
Cc: Ralf Baechle 
Cc: Rich Felker 
Cc: Yoshinori Sato 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

sh: prevent warnings when using iounmap

2019-07-12T18:05:41+00:00

When building drm/exynos for sh, as part of an allmodconfig build, the
following warning triggered:

  exynos7_drm_decon.c: In function `decon_remove':
  exynos7_drm_decon.c:769:24: warning: unused variable `ctx'
    struct decon_context *ctx = dev_get_drvdata(&pdev->dev);

The ctx variable is only used as argument to iounmap().

In sh - allmodconfig CONFIG_MMU is not defined
so it ended up in:

\#define __iounmap(addr)	do { } while (0)
\#define iounmap		__iounmap

Fix the warning by introducing a static inline function for iounmap.

This is similar to several other architectures.

Link: http://lkml.kernel.org/r/20190622114208.24427-1-sam@ravnborg.org
Signed-off-by: Sam Ravnborg 
Reviewed-by: Geert Uytterhoeven 
Cc: Yoshinori Sato 
Cc: Rich Felker 
Cc: Will Deacon 
Cc: Mark Brown 
Cc: Inki Dae 
Cc: Krzysztof Kozlowski 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

sh: don't use asm-generic/ptrace.h

2019-07-01T15:51:40+00:00

Doing the indirection through macros for the regs accessors just
makes them harder to read, so implement the helpers directly.

Note that only the helpers actually used are implemented now.

Signed-off-by: Christoph Hellwig 
Signed-off-by: Arnd Bergmann

binfmt_flat: remove the persistent argument from flat_get_addr_from_rp

2019-06-23T23:16:47+00:00

The argument is never used.

Signed-off-by: Christoph Hellwig 
Signed-off-by: Greg Ungerer

binfmt_flat: replace flat_argvp_envp_on_stack with a Kconfig variable

2019-06-23T23:16:46+00:00

This will eventually allow us to kill the need for an  for
many cases.

Signed-off-by: Christoph Hellwig 
Tested-by: Vladimir Murzin 
Reviewed-by: Vladimir Murzin 
Signed-off-by: Greg Ungerer

binfmt_flat: remove flat_old_ram_flag

2019-06-23T23:16:46+00:00

Instead add a Kconfig variable that only h8300 selects.

Signed-off-by: Christoph Hellwig 
Signed-off-by: Greg Ungerer

binfmt_flat: provide a default version of flat_get_relocate_addr

2019-06-23T23:16:46+00:00

This way only the two architectures that do masking need to provide
the helper.

Signed-off-by: Christoph Hellwig 
Tested-by: Vladimir Murzin 
Reviewed-by: Vladimir Murzin 
Signed-off-by: Greg Ungerer

binfmt_flat: remove flat_set_persistent

2019-06-23T23:16:46+00:00

This helper is a no-op on all architectures, remove it.

Signed-off-by: Christoph Hellwig 
Tested-by: Vladimir Murzin 
Reviewed-by: Vladimir Murzin 
Signed-off-by: Greg Ungerer