Messages in this thread | | | Subject | Re: random: GFP_KERNEL from irq context | From | Jens Axboe <> | Date | Thu, 26 Apr 2018 22:11:53 -0600 |
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On 4/26/18 3:03 PM, Theodore Y. Ts'o wrote: > On Thu, Apr 26, 2018 at 10:28:13AM -0600, Jens Axboe wrote: >> during boot. We end up doing the numa_crng_init() from interrupt context, which >> makes things unhappy since you do GFP_KERNEL | __GFP_NOFAIL allocations from >> there. > > I've already sent a pull request to Linux to fix this; see the > random.git tree. > > Apologies for not noticing this earlier. My test environment had > virtio-rng enabled by default, and while I did test the CONFIG_NUMA > case, the call to add randomness doesn't happen from interrupt context > with virtio-rng so I missed it in my testing.
OK, all good, just wanted to ensure it was known.
-- Jens Axboe
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