28 Jan
2022
28 Jan
'22
3:44 p.m.
On 2022-01-28 16:33:44 [+0100], Jason A. Donenfeld wrote:
From: Andy Lutomirski luto@kernel.org
We don't need spinlocks to protect batched entropy -- all we need is a little bit of care. This should fix up the following splat that Jonathan received with a PROVE_LOCKING=y/PROVE_RAW_LOCK_NESTING=y kernel:
NO. Could we please look at my RANDOM patches first? This affects PREEMPT_RT. There is no need to stuff this in and tag it stable.
I can repost my rebased patched if there no objection. This patch invokes extract_crng() with disabled interrupts so we didn't gain anything IMHO.
Sebastian