[GIT PULL] random updates for 4.19

[Theodore Y. Ts'o]

The following changes since commit 81e69df38e2911b642ec121dec319fad2a4782f3:

  random: mix rdrand with entropy sent in from userspace (2018-07-17 21:32:36 -0400)

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 9a47249d444d344051c7c0e909fad0e88515a5c2:

  random: Make crng state queryable (2018-08-02 17:33:06 -0400)

----------------------------------------------------------------
Some changes to trust cpu-based hwrng (such as RDRAND) for
initializing hashed pointers and (optionally, controlled by a config
option) to initialize the CRNG to avoid boot hangs.

----------------------------------------------------------------
Ingo Molnar (1):
      random: remove preempt disabled region

Jason A. Donenfeld (1):
      random: Make crng state queryable

Theodore Ts'o (1):
      random: add a config option to trust the CPU's hwrng

Tobin C. Harding (4):
      random: Fix whitespace pre random-bytes work
      random: Return nbytes filled from hw RNG
      vsprintf: Use hw RNG for ptr_key
      vsprintf: Add command line option debug_boot_weak_hash

 Documentation/admin-guide/kernel-parameters.txt |  8 ++++++++
 drivers/char/Kconfig                            | 14 ++++++++++++++
 drivers/char/random.c                           | 49 +++++++++++++++++++++++++++++++++++--------------
 include/linux/random.h                          |  3 ++-
 lib/vsprintf.c                                  | 27 ++++++++++++++++++++++++++-
 5 files changed, 85 insertions(+), 16 deletions(-)