Messages in this thread | | | Subject | Re: [ghes_copy_tofrom_phys] BUG: sleeping function called from invalid context at mm/page_alloc.c:4150 | From | Tyler Baicar <> | Date | Mon, 30 Oct 2017 10:17:27 -0400 |
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On 10/30/2017 10:06 AM, Borislav Petkov wrote: > On Mon, Oct 30, 2017 at 10:01:52AM -0400, Tyler Baicar wrote: >> This is not as important for polling sources as it is for the >> interrupt sources since polling sources are regularly checked and >> shouldn't be used for fatal error scenarios. For interrupt driven >> sources, there could already be a fatal error pending, so we should >> handle it immediately. > Whatever it is, you can't call it there as it could deadlock. You need > to think about doing that differently. If you can't come up with a > solution quickly, it should be reverted and then you can try again > later. I'm okay with reverting this and coming up with another solution, but that seems like it could be masking a problem. It should be valid for the polling timer to expire right after this probe function completes which would then trigger ghes_poll_func() to be called and that calls into ghes_proc() immediately.
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