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SubjectRe: [PATCH] x86, random: Fix get_random_bytes() warning in x86 start_kernel
On Tue, May 29, 2018 at 11:01:07AM -0400, Prarit Bhargava wrote:
> Kees, in early boot no pool is available so the stack canary is initialized from
> the TSC. Later in boot, the stack canary will use the the crng.
>
> ie) in early boot only TSC is okay, and late boot (when crng_ready() is true)
> the pool will be used.

But that means all of the kernel threads (e.g., workqueues, et. al)
would not be well protected by the stack canary. That
seems.... rather unfortunate.

- Ted

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