On 2/3/25 8:09 AM, Guenter Roeck wrote: > On Fri, Jan 31, 2025 at 01:03:47PM +0100, Christoph Hellwig wrote: >> When block drivers or the core block code perform allocations with a >> frozen queue, this could try to recurse into the block device to >> reclaim memory and deadlock. Thus all allocations done by a process >> that froze a queue need to be done without __GFP_IO and __GFP_FS. >> Instead of tying to track all of them down, force a noio scope as >> part of freezing the queue. >> >> Note that nvme is a bit of a mess here due to the non-owner freezes, >> and they will be addressed separately. >> >> Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > All sparc64 builds fail with this patch in the tree. Yep, Stephen reported the same yesterday. The patch is queued up, will most likely just send it out separately. -- Jens Axboe
