On Wed, Jan 28, 2026 at 11:12 AM Randy Dunlap <[email protected]> wrote: > On 1/28/26 11:06 AM, David Matlack wrote: > > On Wed, Jan 28, 2026 at 10:38 AM Ted Logan <[email protected]> wrote: > >> > >> Use the standard format conversion macro PRIx64 to generate the > >> appropriate format conversion for 64-bit integers. Fixes a compiler > >> warning with -Wformat on i386. > >> > >> Signed-off-by: Ted Logan <[email protected]> > >> Reported-by: kernel test robot <[email protected]> > >> Closes: > >> https://lore.kernel.org/oe-kbuild-all/[email protected]/ > > > > Thanks for the patch. > > > > I've been seeing these i386 reports as well. I find the PRIx64, etc. > > format specifiers make format strings very hard to read. And I think > > there were some other issues when building VFIO selftests with i386 > > the last time I tried. > > > > I was thinking instead we should just not support i386 builds of VFIO > > selftests. But I hadn't gotten around to figuring out the right > > Makefile magic to make that happen. > > There are other 32-bit CPUs besides i386. > Or do only support X86?
At this point I would only call x86_64 and arm64 as supported. At least that is all I have access to and tested. If there is legitimate desire to run these tests on 32-bit CPUs, then we can support it. Alex, do you test on 32-bit CPUs?

