OASIS Mailing List ArchivesView the OASIS mailing list archive below
or browse/search using MarkMail.

 


Help: OASIS Mailing Lists Help | MarkMail Help

virtio-dev message

[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]


Subject: Re: [PATCH v11 0/6] mm / virtio: Provide support for unused page reporting


On 10/1/19 4:51 PM, Dave Hansen wrote:
> On 10/1/19 1:49 PM, Alexander Duyck wrote:
>> So it looks like v12 still has issues. I'm pretty sure you should be using
>> spin_lock_irq(), not spin_lock() in page_reporting.c to avoid the
>> possibility of an IRQ firing and causing lock recursion on the zone lock.
> Lockdep should make all of this a lot easier to find.  Is it being used?

I do have it in the function which returns the pages to the buddy but I missed
it in the function that isolates the pages.
I will correct this.


-- 
Thanks
Nitesh



[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]