-v11 is here https://lore.kernel.org/lkml/[email protected]/
-v12 has a few changes: vmlinux.lds.h is refactored: - BOUNDED_SECTION* macros are pulled into bounded_section.lds.h - dynamic-debug sections are factored into dyndbg.lds.h, which reuses bounded_section.lds.h - scripts/module.lds.S gets proper output sections for dyndbg this fixes lost sections seen in some setups - based upon codetag.lds.h DYNAMIC_DEBUG_CLASSMAP_USE*() is refined: - previous had static class-map decl and unique names - now have extern'd <classname>-<usermod> names, matching 1-per-module model - now with compile-time offset check - _USE/_USE_ together allows more squashing better modprobe-time classmap definition error detection: - test descriptors for unknown class-names - more complete class-map/user conflict detection rebased onto -rc5 - applies cleanly to drm-misc-fixes - passes a few more tests on DRM-CI include patch from Philipp Hahn <[email protected]> clean subsystem chunks - dyndbg 1st - drm - fixes for DRM-CI, adapt,use new API, un-BROKEN - drm/accel - least mature, I have no HW Jim Cromie (68): dyndbg: fix NULL ptr on i386 due to section mis-alignment vmlinux.lds.h: move BOUNDED_SECTION_* macros to reuse later dyndbg.lds.S: fix lost dyndbg sections in modules vmlinux.lds.h: drop unused HEADERED_SECTION* macros dyndbg: factor ddebug_match_desc out from ddebug_change dyndbg: add stub macro for DECLARE_DYNDBG_CLASSMAP docs/dyndbg: update examples \012 to \n docs/dyndbg: explain flags parse 1st test-dyndbg: fixup CLASSMAP usage error dyndbg: reword "class unknown," to "class:_UNKNOWN_" dyndbg: make ddebug_class_param union members same size dyndbg: drop NUM_TYPE_ARRAY dyndbg: tweak pr_fmt to avoid expansion conflicts dyndbg: reduce verbose/debug clutter dyndbg: refactor param_set_dyndbg_classes and below dyndbg: tighten fn-sig of ddebug_apply_class_bitmap dyndbg: replace classmap list with a vector dyndbg: macrofy a 2-index for-loop pattern dyndbg,module: make proper substructs in _ddebug_info dyndbg: move mod_name down from struct ddebug_table to _ddebug_info dyndbg: hoist classmap-filter-by-modname up to ddebug_add_module dyndbg-API: remove DD_CLASS_TYPE_(DISJOINT|LEVEL)_NAMES and code selftests-dyndbg: add a dynamic_debug run_tests target dyndbg: change __dynamic_func_call_cls* macros into expressions dyndbg-API: replace DECLARE_DYNDBG_CLASSMAP dyndbg: detect class_id reservation conflicts dyndbg: check DYNAMIC_DEBUG_CLASSMAP_DEFINE args at compile-time dyndbg-test: change do_prints testpoint to accept a loopct dyndbg-API: promote DYNAMIC_DEBUG_CLASSMAP_PARAM to API dyndbg: treat comma as a token separator dyndbg: split multi-query strings with % selftests-dyndbg: add test_mod_submod dyndbg: resolve "protection" of class'd pr_debug dyndbg: harden classmap and descriptor validation docs/dyndbg: add classmap info to howto dyndbg-test: verify DYNAMIC_DEBUG_CLASSMAP_USE_() compile-time CHECK drm: use correct ccflags-y spelling drm_buddy: fix power-of-2 rounding errs drm_print: fix drm_printer dynamic debug bypass drm_vblank: avoid bit-test when DRM_USE_DYNAMIC_DEBUG=y drm-dyndbg: adapt drm core to use dyndbg classmaps-v2 drm-dyndbg: adapt DRM to invoke DYNAMIC_DEBUG_CLASSMAP_PARAM drm_print: modernize an archaic comment drm-dyndbg: DRM_CLASSMAP_USE in amdgpu driver drm-dyndbg: DRM_CLASSMAP_USE in i915 driver drm-dyndbg: DRM_CLASSMAP_USE in drm_crtc_helper drm-dyndbg: DRM_CLASSMAP_USE in drm_dp_helper drm-dyndbg: DRM_CLASSMAP_USE in nouveau drm-dyndbg: add DRM_CLASSMAP_USE to Xe driver drm-dyndbg: add DRM_CLASSMAP_USE to virtio_gpu drm-dyndbg: add DRM_CLASSMAP_USE to simpledrm drm-dyndbg: add DRM_CLASSMAP_USE to bochs drm-dyndbg: add DRM_CLASSMAP_USE to etnaviv drm-dyndbg: add DRM_CLASSMAP_USE to gma500 driver drm-dyndbg: add DRM_CLASSMAP_USE to radeon drm-dyndbg: add DRM_CLASSMAP_USE to vmwgfx driver drm-dyndbg: add DRM_CLASSMAP_USE to vkms driver drm-dyndbg: add DRM_CLASSMAP_USE to udl driver drm-dyndbg: add DRM_CLASSMAP_USE to mgag200 driver drm-dyndbg: add DRM_CLASSMAP_USE to the gud driver drm-dyndbg: add DRM_CLASSMAP_USE to the qxl driver drm-dyndbg: add DRM_CLASSMAP_USE to the drm_gem_shmem_helper driver drm-dyndbg: restore CONFIG_DRM_USE_DYNAMIC_DEBUG un-BROKEN drm-dyndbg: set CONFIG_DRM_USE_DYNAMIC_DEBUG=y accel: add -DDYNAMIC_DEBUG_MODULE to subdir-ccflags accel/ivpu: implement IVPU_DBG_* as a dyndbg classmap accel/ethosu: call DRM_CLASSMAP_USE accel/rocket: call DRM_CLASSMAP_USE Philipp Hahn (1): dyndbg: Ignore additional arguments from pr_fmt .../admin-guide/dynamic-debug-howto.rst | 184 +++- MAINTAINERS | 3 +- drivers/accel/Makefile | 7 +- drivers/accel/ethosu/ethosu_drv.c | 3 + drivers/accel/ivpu/ivpu_drv.c | 27 +- drivers/accel/ivpu/ivpu_drv.h | 45 +- drivers/accel/rocket/rocket_gem.c | 2 + drivers/gpu/drm/Kconfig.debug | 3 +- drivers/gpu/drm/Makefile | 3 +- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 +- drivers/gpu/drm/display/drm_dp_helper.c | 12 +- drivers/gpu/drm/drm_buddy.c | 4 +- drivers/gpu/drm/drm_crtc_helper.c | 12 +- drivers/gpu/drm/drm_gem_shmem_helper.c | 1 + drivers/gpu/drm/drm_print.c | 39 +- drivers/gpu/drm/drm_vblank.c | 9 +- drivers/gpu/drm/etnaviv/etnaviv_drv.c | 2 + drivers/gpu/drm/gma500/psb_drv.c | 2 + drivers/gpu/drm/gud/gud_drv.c | 2 + drivers/gpu/drm/i915/i915_params.c | 12 +- drivers/gpu/drm/mgag200/mgag200_drv.c | 2 + drivers/gpu/drm/nouveau/nouveau_drm.c | 12 +- drivers/gpu/drm/qxl/qxl_drv.c | 2 + drivers/gpu/drm/radeon/radeon_drv.c | 2 + drivers/gpu/drm/sysfb/simpledrm.c | 2 + drivers/gpu/drm/tiny/bochs.c | 2 + drivers/gpu/drm/udl/udl_main.c | 2 + drivers/gpu/drm/virtio/virtgpu_drv.c | 2 + drivers/gpu/drm/vkms/vkms_drv.c | 2 + drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 + drivers/gpu/drm/xe/xe_drm_client.c | 2 + include/asm-generic/bounded_sections.lds.h | 21 + include/asm-generic/dyndbg.lds.h | 26 + include/asm-generic/vmlinux.lds.h | 48 +- include/drm/drm_print.h | 22 +- include/linux/dynamic_debug.h | 309 +++++-- kernel/module/main.c | 15 +- lib/Kconfig.debug | 24 +- lib/Makefile | 5 + lib/dynamic_debug.c | 831 ++++++++++++------ lib/test_dynamic_debug.c | 211 +++-- lib/test_dynamic_debug_submod.c | 21 + scripts/module.lds.S | 2 + tools/testing/selftests/Makefile | 1 + .../testing/selftests/dynamic_debug/Makefile | 9 + tools/testing/selftests/dynamic_debug/config | 7 + .../dynamic_debug/dyndbg_selftest.sh | 373 ++++++++ 47 files changed, 1747 insertions(+), 594 deletions(-) create mode 100644 include/asm-generic/bounded_sections.lds.h create mode 100644 include/asm-generic/dyndbg.lds.h create mode 100644 lib/test_dynamic_debug_submod.c create mode 100644 tools/testing/selftests/dynamic_debug/Makefile create mode 100644 tools/testing/selftests/dynamic_debug/config create mode 100755 tools/testing/selftests/dynamic_debug/dyndbg_selftest.sh -- 2.53.0
