On Wed, May 22, 2019 at 03:43:05PM -0400, Steven Rostedt wrote: > On Wed, 22 May 2019 16:28:21 -0300 > Jason Gunthorpe <jgg@xxxxxxxx> wrote: > > > On Wed, May 22, 2019 at 02:54:50PM -0400, Steven Rostedt wrote: > > > > > > From: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> > > > > > > When testing 32 bit x86, my build failed with: > > > > > > ERROR: "__udivdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined! > > > > > > It appears that a few non-ULL roundup() calls were made, which uses a > > > normal division against a 64 bit number. This is fine for x86_64, but > > > on 32 bit x86, it causes the compiler to look for a helper function > > > __udivdi3, which we do not have in the kernel, and thus fails to build. > > > > > > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> > > > > Do you like this version better? > > > > https://patchwork.kernel.org/patch/10950913/ > > > > Honestly, I don't care ;-) > > As long as it is correct and doesn't break my builds. I really prefer > if these kinds of things don't make it into Linus's tree to begin with. > I'm surprised the zero-day bot didn't catch this. Because this is > something that it normally does. Yes, I was also surprised and I asked them.. They said they needed to update ARM compilers to see this.. Jason
