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kernel: backport "random: try to actively add entropy"

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this backports https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/char/random.c?id=50ee7529ec4500c88f8664560770a7a1b65db72b
to gather enough entropy for initialise the crng faster.
Of some machines like the APU it will need forever if
the machine only wait for entropy without doing anything else.

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
This commit is contained in:
Arne Fitzenreiter
2020-05-01 10:33:02 +02:00
parent 5b0c35e092
commit b923dd3de0
3 changed files with 168 additions and 0 deletions
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@@ -143,6 +143,10 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
# Fix uevent PHYSDEVDRIVER
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-2.6.32.27_mcs7830-fix-driver-name.patch
# Active try to add entropy if the kernel wait for it
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-random_try_to_actively_add_entropy.patch
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14.x-add_timer_setup_on_stack.patch
ifeq "$(KCFG)" "-kirkwood"
cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux/linux-4.14.40-kirkwood-dtb.patch
endif