On Sun, 23 Nov 2025 13:13:30 +0100, René Rebe wrote: > Building a size optimized ppc64 kernel (-Os), gcc emits more FP > save/restore symbols, that the linker generates on demand into the > .sfpr section. Explicitly allow-list those in scripts/mod/modpost.c, > too. They are needed for the amdgpu in-kernel floating point support. > > MODPOST Module.symvers > ERROR: modpost: "_restfpr_20" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_restfpr_26" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_restfpr_22" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_savegpr1_27" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_savegpr1_25" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_restfpr_28" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_savegpr1_29" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_savefpr_20" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_savefpr_22" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > ERROR: modpost: "_restfpr_15" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] > undefined! > WARNING: modpost: suppressed 56 unresolved symbol warnings because there were > too many) > > [...]
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux.git kbuild-next Thanks! [1/1] modpost: Amend ppc64 save/restfpr symnames for -Os build https://git.kernel.org/kbuild/c/3cd9763ce4ad9 Please look out for regression or issue reports or other follow up comments, as they may result in the patch/series getting dropped or reverted. Patches applied to an "unstable" branch are accepted pending wider testing in -next and any post-commit review; they will generally be moved to the main branch in a week if no issues are found. Best regards, -- Nathan Chancellor <[email protected]>
