On Tue, Aug 06, 2019 at 06:13:16AM -0400, Suganath Prabu wrote: > From: Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx> > > Although SAS3 & SAS3.5 IT HBA controllers support > 64-bit DMA addressing, as per hardware design, > if DMA able range contains all 64-bits set (0xFFFFFFFF-FFFFFFFF) then > it results in a firmware fault. > > e.g. SGE's start address is 0xFFFFFFFF-FFFF000 and > data length is 0x1000 bytes. when HBA tries to DMA the data > at 0xFFFFFFFF-FFFFFFFF location then HBA will > fault the firmware. > > Fix: > Driver will set 63-bit DMA mask to ensure the above address > will not be used. > > Cc: <stable@xxxxxxxxxxxxxxx> # 4.4.186, # 4.9.186 # 4.14.136 > Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx> > --- > RESEND: Resending this patch to include 4.14.136 stable kernel. > > This Patch is for stable kernels 4.4.186, 4.9.186 and 4.14.136. > Original patch is applied to 5.3/scsi-fixes. > commit ID: df9a606184bfdb5ae3ca9d226184e9489f5c24f7 Now queued up, thanks. greg k-h
