Regressions on s390 with defconfig builds with gcc-13, gcc-8 and clang-20 and clang-nightly toolchains on the stable-rc 6.1.136-rc1.
- s390, build
- clang-20-defconfig
- clang-nightly-defconfig
- gcc-13-allmodconfig
- gcc-13-defconfig
- gcc-8-defconfig-fe40093d
Regression Analysis:
- New regression? Yes
- Reproducibility? Yes
...
drivers/s390/virtio/virtio_ccw.c:88:9: error: unknown type name 'dma64_t' 88 | dma64_t queue; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c:95:9: error: unknown type name 'dma64_t' 95 | dma64_t desc; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c:99:9: error: unknown type name 'dma64_t' 99 | dma64_t avail; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c:100:9: error: unknown type name 'dma64_t' 100 | dma64_t used; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c:109:9: error: unknown type name 'dma64_t' 109 | dma64_t summary_indicator; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c:110:9: error: unknown type name 'dma64_t' 110 | dma64_t indicator; | ^~~~~~~ drivers/s390/virtio/virtio_ccw.c: In function 'virtio_ccw_drop_indicator': drivers/s390/virtio/virtio_ccw.c:370:25: error: implicit declaration of function 'virt_to_dma64'; did you mean 'virt_to_page'? [-Werror=implicit-function-declaration] 370 | virt_to_dma64(get_summary_indicator(airq_info)); | ^~~~~~~~~~~~~ | virt_to_page drivers/s390/virtio/virtio_ccw.c:374:28: error: implicit declaration of function 'virt_to_dma32'; did you mean 'virt_to_page'? [-Werror=implicit-function-declaration] 374 | ccw->cda = virt_to_dma32(thinint_area); | ^~~~~~~~~~~~~ | virt_to_page drivers/s390/virtio/virtio_ccw.c: In function 'virtio_ccw_setup_vq': drivers/s390/virtio/virtio_ccw.c:552:45: error: implicit declaration of function 'u64_to_dma64' [-Werror=implicit-function-declaration] 552 | info->info_block->l.queue = u64_to_dma64(queue); | ^~~~~~~~~~~~ drivers/s390/virtio/virtio_ccw.c: In function 'virtio_ccw_find_vqs': drivers/s390/virtio/virtio_ccw.c:654:9: error: unknown type name 'dma64_t' 654 | dma64_t *indicatorp = NULL; | ^~~~~~~ cc1: some warnings being treated as errors
The virtio_ccw errors are caused by '[PATCH 6.1 033/167] s390/virtio_ccw: fix virtual vs physical address confusion'
Picking the following 2 dependencies would resolve the build error:
1bcf7f48b7d4 s390/cio: use bitwise types to allow for type checking 8b19e145e82f s390/cio: introduce bitwise dma types and helper functions