On Fri, Sep 24, 2021 at 02:44:29PM +0200, Greg Kroah-Hartman wrote: > From: Koby Elbaz <kelbaz@xxxxxxxxx> > > [ Upstream commit 8bb8b505761238be0d6a83dc41188867d65e5d4c ] > > There is a scenario where an ongoing soft reset would race with an > ongoing heartbeat routine, eventually causing heartbeat to fail and > thus to escalate into a hard reset. > > With this fix, soft-reset procedure will disable heartbeat CPU messages > and flush the (ongoing) current one before continuing with reset code. > > Signed-off-by: Koby Elbaz <kelbaz@xxxxxxxxx> > Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx> > Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > --- > drivers/misc/habanalabs/common/device.c | 53 +++++++++++++++----- > drivers/misc/habanalabs/common/firmware_if.c | 18 +++++-- > drivers/misc/habanalabs/common/habanalabs.h | 4 +- > drivers/misc/habanalabs/common/hw_queue.c | 30 ++++------- > 4 files changed, 67 insertions(+), 38 deletions(-) > This change adds a build warning so I'm going to drop it from the tree for now. thanks, greg k-h
