On Wed, Aug 08, 2018 at 02:26:11PM +0000, David Laight wrote: > From: Mikulas Patocka > > Sent: 08 August 2018 14:47 > ... > > The problem on ARM is that I see data corruption when the overlapping > > unaligned writes are done just by a single core. > > Is this a sequence of unaligned writes (that shouldn't modify the > same physical locations) or an aligned write followed by an > unaligned one that updates part of the earlier write. > (Or the opposite order?) In the memcpy() case, there can be a sequence of unaligned writes but they would not modify the same byte (so no overlapping address at the byte level). -- Catalin
