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linux/drivers/virt
Linus Torvalds 478f74a3d8 Random number generator fixes for Linux 5.18-rc1.
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Merge tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator fixes from Jason Donenfeld:

 - If a hardware random number generator passes a sufficiently large
   chunk of entropy to random.c during early boot, we now skip the
   "fast_init" business and let it initialize the RNG.

   This makes CONFIG_RANDOM_TRUST_BOOTLOADER=y actually useful.

 - We already have the command line `random.trust_cpu=0/1` option for
   RDRAND, which let distros enable CONFIG_RANDOM_TRUST_CPU=y while
   placating concerns of more paranoid users.

   Now we add `random.trust_bootloader=0/1` so that distros can
   similarly enable CONFIG_RANDOM_TRUST_BOOTLOADER=y.

 - Re-add a comment that got removed by accident in the recent revert.

 - Add the spec-compliant ACPI CID for vmgenid, which Microsoft added to
   the vmgenid spec at Ard's request during earlier review.

 - Restore build-time randomness via the latent entropy plugin, which
   was lost when we transitioned to using a hash function.

* tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  random: mix build-time latent entropy into pool at init
  virt: vmgenid: recognize new CID added by Hyper-V
  random: re-add removed comment about get_random_{u32,u64} reseeding
  random: treat bootloader trust toggle the same way as cpu trust toggle
  random: skip fast_init if hwrng provides large chunk of entropy
2022-03-31 14:51:34 -07:00
..
acrn virt: acrn: fix a memory leak in acrn_dev_ioctl() 2022-03-18 13:49:59 +01:00
nitro_enclaves Merge 5.16-rc8 into char-misc-next 2022-01-03 13:44:38 +01:00
vboxguest virt: vbox: Do not use wait_event_interruptible when called from kernel context 2021-01-27 14:37:02 +01:00
fsl_hypervisor.c virt: fsl_hypervisor: Directly return 0 instead of using local ret variable 2022-03-18 13:49:00 +01:00
Kconfig virt: vmgenid: notify RNG of VM fork and supply generation ID 2022-03-12 18:00:56 -07:00
Makefile virt: vmgenid: notify RNG of VM fork and supply generation ID 2022-03-12 18:00:56 -07:00
vmgenid.c virt: vmgenid: recognize new CID added by Hyper-V 2022-03-25 08:49:40 -06:00