> That does not work when the message you are sending in-reply-to is no > longer in the recipient's message box :) Ah. Got it. > > > This is for linux-5.12.y tree. > > Great, thanks. > > > > And did you send the same patch twice? > > > > No. Unfortunately, they're different due to swiotlb patches. I > > backported the patch to each kernel versions respectively. > > What is the "other" patch for? Another patch what I sent is for linux-5.10.y tree. Regarding linux-5.10.y's patch and linux-5.12.y's patch, below patch was applied only for linux-5.12.y tree and it made differences. daf9514fd5eb swiotlb: Validate bounce size in the sync/unmap path Best Regards, Chanho Park