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Date: Thu, 28 Jul 2016 20:47:23 +0000
From: Jason Cooper <>
	Yann Droneaud <>,,,
	Jason Cooper <>
Subject: [PATCH 0/7] char/random: Simplify random address requests

Two previous attempts have been made to rework this API.  The first can be
found at:

The second at:

The RFC version of this series can been seen at:

In addition to incorporating ideas from these two previous efforts, this series
adds several desirable features.  First, we take the range as an argument
directly, which removes math both before the call and inside the function.
Second, we return the start address on error.  All callers fell back to the
start address on error, so we remove the need to check for errors.  Third, we
cap range to prevent overflow.  Last, we use kerneldoc to describe the new

If possible, I'd like to request Acks from the various subsystems so that we
can merge this as one bisectable branch.

Jason Cooper (7):
  random: Simplify API for random address requests
  x86: Use simpler API for random address requests
  ARM: Use simpler API for random address requests
  arm64: Use simpler API for random address requests
  tile: Use simpler API for random address requests
  unicore32: Use simpler API for random address requests
  random: Remove unused randomize_range()

 arch/arm/kernel/process.c       |  3 +--
 arch/arm64/kernel/process.c     |  8 ++------
 arch/tile/mm/mmap.c             |  3 +--
 arch/unicore32/kernel/process.c |  3 +--
 arch/x86/kernel/process.c       |  3 +--
 arch/x86/kernel/sys_x86_64.c    |  5 +----
 drivers/char/random.c           | 29 ++++++++++++++++++-----------
 include/linux/random.h          |  2 +-
 8 files changed, 26 insertions(+), 30 deletions(-)


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