# git rev-parse -q --verify acc48fec3ae30fd2c049c39582e1c4fdf25480ee^{commit} acc48fec3ae30fd2c049c39582e1c4fdf25480ee already have revision, skipping fetch # git checkout -q -f -B kisskb acc48fec3ae30fd2c049c39582e1c4fdf25480ee # git clean -qxdf # < git log -1 # commit acc48fec3ae30fd2c049c39582e1c4fdf25480ee # Author: Ravi Bangoria # Date: Thu Mar 11 14:45:38 2021 +0530 # # powerpc/uprobes: Validation for prefixed instruction # # As per ISA 3.1, prefixed instruction should not cross 64-byte # boundary. So don't allow Uprobe on such prefixed instruction. # # There are two ways probed instruction is changed in mapped pages. # First, when Uprobe is activated, it searches for all the relevant # pages and replace instruction in them. In this case, if that probe # is on the 64-byte unaligned prefixed instruction, error out # directly. Second, when Uprobe is already active and user maps a # relevant page via mmap(), instruction is replaced via mmap() code # path. But because Uprobe is invalid, entire mmap() operation can # not be stopped. In this case just print an error and continue. # # Signed-off-by: Ravi Bangoria # Acked-by: Naveen N. Rao # Acked-by: Sandipan Das # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20210311091538.368590-1-ravi.bangoria@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 acc48fec3ae30fd2c049c39582e1c4fdf25480ee # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0x2EB17A4C # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:5224:warning: override: reassigning to symbol STANDALONE .config:5230:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY .config:5231:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD .config:5234:warning: override: reassigning to symbol LD_HEAD_STUB_CATCH .config:5236:warning: override: reassigning to symbol UBSAN # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/kernel/eeh.c:1571:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function] static int proc_eeh_show(struct seq_file *m, void *v) ^ /kisskb/src/drivers/clk/xilinx/xlnx_vcu.c: In function 'xvcu_register_clock_provider': /kisskb/src/drivers/clk/xilinx/xlnx_vcu.c:524:9: warning: missing braces around initializer [-Wmissing-braces] struct clk_parent_data parent_data[2] = { 0 }; ^ /kisskb/src/drivers/clk/xilinx/xlnx_vcu.c:524:9: warning: (near initialization for 'parent_data[0]') [-Wmissing-braces] /kisskb/src/fs/btrfs/tree-checker.c: In function 'check_root_item': /kisskb/src/fs/btrfs/tree-checker.c:1071:9: warning: missing braces around initializer [-Wmissing-braces] struct btrfs_root_item ri = { 0 }; ^ /kisskb/src/fs/btrfs/tree-checker.c:1071:9: warning: (near initialization for 'ri.inode') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c: In function 'navi10_get_gpu_metrics': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c:2297:2: warning: missing braces around initializer [-Wmissing-braces] SmuMetrics_NV12_t nv12_metrics = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c:2297:2: warning: (near initialization for 'nv12_metrics.CurrClock') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_psr_enable': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9853:9: warning: missing braces around initializer [-Wmissing-braces] struct dc_static_screen_params params = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9853:9: warning: (near initialization for 'params.triggers') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c: In function 'bios_parser_get_i2c_info': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c:297:9: warning: missing braces around initializer [-Wmissing-braces] struct atom_i2c_record dummy_record = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c:297:9: warning: (near initialization for 'dummy_record.record_header') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21/rn_clk_mgr.c: In function 'rn_clk_mgr_construct': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21/rn_clk_mgr.c:880:9: warning: missing braces around initializer [-Wmissing-braces] struct dpm_clocks clock_table = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn21/rn_clk_mgr.c:880:9: warning: (near initialization for 'clock_table.DcfClocks') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c: In function 'vg_update_clocks': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:116:11: warning: missing braces around initializer [-Wmissing-braces] union display_idle_optimization_u idle_info = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:116:11: warning: (near initialization for 'idle_info.idle_info') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:129:10: warning: missing braces around initializer [-Wmissing-braces] union display_idle_optimization_u idle_info = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:129:10: warning: (near initialization for 'idle_info.idle_info') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c: At top level: /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:704:15: warning: missing braces around initializer [-Wmissing-braces] static struct watermarks dummy_wms = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/vg_clk_mgr.c:704:15: warning: (near initialization for 'dummy_wms.WatermarkRow') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c: In function 'dcn301_smu_enable_phy_refclk_pwrdwn': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c:198:8: warning: missing braces around initializer [-Wmissing-braces] union display_idle_optimization_u idle_info = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn301/dcn301_smu.c:198:8: warning: (near initialization for 'idle_info.idle_info') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hubp.c: In function 'hubp2_validate_dml_output': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hubp.c:1273:9: warning: missing braces around initializer [-Wmissing-braces] struct _vcs_dpi_display_rq_regs_st rq_regs = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hubp.c:1273:9: warning: (near initialization for 'rq_regs.rq_regs_l') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:451:15: warning: missing braces around initializer [-Wmissing-braces] static struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv12_soc = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:451:15: warning: (near initialization for 'dcn2_0_nv12_soc.clock_limits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hwseq.c: In function 'dcn20_pipe_control_lock': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hwseq.c:1223:9: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_hwseq.c:1223:9: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c: In function 'dcn10_cursor_lock': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:1802:9: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:1802:9: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_hubp.c: In function 'hubp21_validate_dml_output': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_hubp.c:258:9: warning: missing braces around initializer [-Wmissing-braces] struct _vcs_dpi_display_rq_regs_st rq_regs = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_hubp.c:258:9: warning: (near initialization for 'rq_regs.rq_regs_l') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c: In function 'dcn30_mmhubbub_warmup': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:264:9: warning: missing braces around initializer [-Wmissing-braces] struct mcif_warmup_params warmup_params = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_hwseq.c:264:9: warning: (near initialization for 'warmup_params.start_address') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c: In function 'commit_planes_for_stream': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:2483:11: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:2483:11: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:2664:11: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:2664:11: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function 'dp_test_get_audio_test_data': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2821:8: warning: missing braces around initializer [-Wmissing-braces] union audio_test_mode dpcd_test_mode = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2821:8: warning: (near initialization for 'dpcd_test_mode.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2823:8: warning: missing braces around initializer [-Wmissing-braces] union audio_test_pattern_period dpcd_pattern_period[AUDIO_CHANNELS_COUNT] = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2823:8: warning: (near initialization for 'dpcd_pattern_period[0]') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function 'dc_link_dp_set_test_pattern': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:4161:11: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:4161:11: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:4205:11: warning: missing braces around initializer [-Wmissing-braces] union dmub_hw_lock_flags hw_locks = { 0 }; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:4205:11: warning: (near initialization for 'hw_locks.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn20.c: In function 'dmub_dcn20_enable_dmub_boot_options': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn20.c:333:8: warning: missing braces around initializer [-Wmissing-braces] union dmub_fw_boot_options boot_options = {0}; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_dcn20.c:333:8: warning: (near initialization for 'boot_options.bits') [-Wmissing-braces] Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 # Build took: 0:06:00.125728