02/08/2019 11:55, Jerin Jacob Kollanukkaran: > > From: Vamsi Attunuru <[email protected]> > > > > Octeontx2 PMD's mailbox client uses device memory to send messages to > > mailbox server in the admin function Linux kernel driver. > > The device memory used for the mailbox communication needs to be > > qualified as volatile memory type to avoid unaligned device memory > > accesses because of compiler's memory access coalescing. > > > > This patch modifies the mailbox request and responses as volatile type which > > were non-volatile earlier and accessed from unaligned memory addresses > > which resulted in bus errors on Fedora 30 with gcc 9.1.1. > > > > Fixes: 2b71657c8660 ("common/octeontx2: add mbox request and response > > definition") > > > > Signed-off-by: Vamsi Attunuru <[email protected]> > > Signed-off-by: Nithin Dabilpuram <[email protected]> > > Acked-by: Jerin Jacob <[email protected]> > > Thomas, > > Could you merge this patch for rc4. It fixes the bus error with Fedora 30 > with gcc 9.1.1.
Applied, thanks

