Re: [next] clang: drivers/gpu/drm/i915/gt/intel_region_lmem.c:94:23: error: result of comparison of constant 4294967296 with expression of type 'resource_size_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]

Hi Naresh,

Thanks for your email. This is a oversight from me. I will send a patch to disable pci resize on 32bit machine.

Thanks,

Nirmoy

On 7/26/2022 8:58 AM, Naresh Kamboju wrote:

The Linux next-20220725 i386 clang builds failed due this build error,

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

Regressions found on i386:

- build-clang-11-defconfig
- build-clang-14-lkftconfig
- build-clang-13-defconfig
- build-clang-12-defconfig
- build-clang-13-lkftconfig
- build-clang-12-lkftconfig
- build-clang-14-defconfig

Steps to reproduce:

tuxmake --runtime podman \ --target-arch i386 \ --toolchain clang-14 \ --kconfig https://builds.tuxbuild.com/2CQwgxqR0lJKwPMl2LxaDTNwsq0/config \ LLVM=1 \ LLVM_IAS=1

Build error log:

make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build LLVM=1 LLVM_IAS=1 ARCH=i386 CROSS_COMPILE=i686-linux-gnu- 'HOSTCC=sccache clang' 'CC=sccache clang' drivers/gpu/drm/i915/gt/intel_region_lmem.c:94:23: error: result of comparison of constant 4294967296 with expression of type 'resource_size_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare] root_res->start > 0x100000000ull) ~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ 1 error generated. make[5]: *** [scripts/Makefile.build:250: drivers/gpu/drm/i915/gt/intel_region_lmem.o] Error 1 make[5]: Target '__build' not remade because of errors.

Build link: https://builds.tuxbuild.com/2CQwgxqR0lJKwPMl2LxaDTNwsq0/

-- Linaro LKFT https://lkft.linaro.org