linux-kernel - [GIT PULL] random: changes for 5.6

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Date:   Fri, 31 Jan 2020 15:49:24 -0500
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     torvalds@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [GIT PULL] random: changes for 5.6

The following changes since commit 46cf053efec6a3a5f343fead837777efe8252a46:

  Linux 5.5-rc3 (2019-12-22 17:02:23 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random.git tags/random_for_linus

for you to fetch changes up to 4cb760b02419061209b9b4cc2557986a6bf93e73:

  s390x: Mark archrandom.h functions __must_check (2020-01-25 12:18:51 -0500)

----------------------------------------------------------------
Change /dev/random so that it uses the CRNG and only blocking if the
CRNG hasn't initialized, instead of the old blocking pool.  Also clean
up archrandom.h, and some other miscellaneous cleanups.

----------------------------------------------------------------
Andy Lutomirski (8):
      random: Don't wake crng_init_wait when crng_init == 1
      random: Add a urandom_read_nowait() for random APIs that don't warn
      random: add GRND_INSECURE to return best-effort non-cryptographic bytes
      random: ignore GRND_RANDOM in getentropy(2)
      random: make /dev/random be almost like /dev/urandom
      random: remove the blocking pool
      random: delete code to pull data into pools
      random: remove kernel.random.read_wakeup_threshold

Richard Henderson (10):
      x86: Remove arch_has_random, arch_has_random_seed
      powerpc: Remove arch_has_random, arch_has_random_seed
      s390: Remove arch_has_random, arch_has_random_seed
      linux/random.h: Remove arch_has_random, arch_has_random_seed
      linux/random.h: Use false with bool
      linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
      x86: Mark archrandom.h functions __must_check
      powerpc: Use bool in archrandom.h
      powerpc: Mark archrandom.h functions __must_check
      s390x: Mark archrandom.h functions __must_check

Sergey Senozhatsky (1):
      char/random: silence a lockdep splat with printk()

Yangtao Li (5):
      random: remove unnecessary unlikely()
      random: convert to ENTROPY_BITS for better code readability
      random: Add and use pr_fmt()
      random: fix typo in add_timer_randomness()
      random: remove some dead code of poolinfo

 arch/powerpc/include/asm/archrandom.h |  27 +++----
 arch/s390/include/asm/archrandom.h    |  20 +----
 arch/x86/include/asm/archrandom.h     |  28 +++----
 drivers/char/random.c                 | 316 +++++++++++++-----------------------------------------------------------------
 include/linux/random.h                |  24 ++----
 include/uapi/linux/random.h           |   4 +-
 6 files changed, 89 insertions(+), 330 deletions(-)