On Tue, Jul 09, 2024 at 06:52:42PM +0800, flyingpenghao@xxxxxxxxx wrote: > From: Peng Hao <flyingpeng@xxxxxxxxxxx> > > When building kernel with clang, which will typically > have sanitizers enabled, there is a warning about a large stack frame. > > drivers/infiniband/hw/ocrdma/ocrdma_stats.c:686:16: error: stack frame size (20664) exceeds limit (8192) in 'ocrdma_dbgfs_ops_read' [-Werror,-Wframe-larger-than] > static ssize_t ocrdma_dbgfs_ops_read(struct file *filp, char __user *buffer, > ^ Please fix it, not hide it. Thanks > > Increase the frame size by 20% to set. > > Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx> > --- > drivers/infiniband/hw/ocrdma/Makefile | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/infiniband/hw/ocrdma/Makefile b/drivers/infiniband/hw/ocrdma/Makefile > index 14fba95021d8..a1e9fcc04751 100644 > --- a/drivers/infiniband/hw/ocrdma/Makefile > +++ b/drivers/infiniband/hw/ocrdma/Makefile > @@ -3,4 +3,10 @@ ccflags-y := -I $(srctree)/drivers/net/ethernet/emulex/benet > > obj-$(CONFIG_INFINIBAND_OCRDMA) += ocrdma.o > > +ifneq ($(CONFIG_FRAME_WARN),0) > +ifeq ($(filter y,$(CONFIG_KASAN)$(CONFIG_KCSAN)),y) > +CFLAGS_ocrdma_stats.o = -Wframe-larger-than=22664 > +endif > +endif > + > ocrdma-y := ocrdma_main.o ocrdma_verbs.o ocrdma_hw.o ocrdma_ah.o ocrdma_stats.o > -- > 2.27.0 > >
