On Sat, 17 Dec 2022 at 05:48, David Gow <davidgow@xxxxxxxxxx> wrote: > > CONFIG_RUST currently supports x86_64, but does not support it under > UML. With the previous patches applied, adding support is trivial: > add CONFIG_HAVE_RUST to UML if X86_64 is set. > > The scripts/generate_rust_target.rs file already checks for > CONFIG_X86_64, not CONFIG_X86, so is prepared for UML support. > > The Rust support does not currently support X86_32. > > Also, update the Rust architecture support documentation to not that > this is being maintained: I intend to look after this as best I can. > > Signed-off-by: David Gow <davidgow@xxxxxxxxxx> > --- > Documentation/rust/arch-support.rst | 2 ++ > arch/um/Kconfig | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst > index 6982b63775da..a526ca1c688b 100644 > --- a/Documentation/rust/arch-support.rst > +++ b/Documentation/rust/arch-support.rst > @@ -17,3 +17,5 @@ Architecture Level of support Constraints > ============ ================ ============================================== > ``x86`` Maintained ``x86_64`` only. > ============ ================ ============================================== > +``um`` Maintained ``x86_64`` only. > +============ ================ ============================================== > diff --git a/arch/um/Kconfig b/arch/um/Kconfig > index ad4ff3b0e91e..4db186f019ae 100644 > --- a/arch/um/Kconfig > +++ b/arch/um/Kconfig > @@ -28,6 +28,7 @@ config UML > select TRACE_IRQFLAGS_SUPPORT > select TTY # Needed for line.c > select HAVE_ARCH_VMAP_STACK > + select HAVE_RUST if X86_64 > > config MMU > bool > -- > 2.39.0.314.g84b9a713c41-goog > Tested-by: Sergio González Collado <sergio.collado@xxxxxxxxx> sergio@laptop:~/repos/rust-for-linux$ git log -4 --oneline 888468208678 (HEAD) rust: arch/um: Add support for CONFIG_RUST under x86_64 UML 055730a58ded rust: arch/um: Disable FP/SIMD instruction to match x86 924ccc99887f rust: arch/um: Use 'pie' relocation mode under UML 615131b8e9bc (tag: rust-v6.1-rc1, origin/for-next/rust) MAINTAINERS: Rust sergio@laptop:~/repos/rust-for-linux$ ./tools/testing/kunit/kunit.py run --kconfig_add CONFIG_RUST=y --make_options LLVM=1 [10:43:28] Configuring KUnit Kernel ... [10:43:28] Building KUnit Kernel ... Populating config with: $ make ARCH=um O=.kunit olddefconfig LLVM=1 Building with: $ make ARCH=um O=.kunit --jobs=12 LLVM=1 /usr/bin/ld: warning: arch/x86/um/vdso/vdso.o: missing .note.GNU-stack section implies executable stack /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker /usr/bin/ld: init/main.o: warning: relocation in read-only section `.ref.text' /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions /usr/bin/ld: warning: creating DT_TEXTREL in a PIE /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1.o: missing .note.GNU-stack section implies executable stack /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker /usr/bin/ld: init/main.o: warning: relocation in read-only section `.ref.text' /usr/bin/ld: warning: .tmp_vmlinux.kallsyms2 has a LOAD segment with RWX permissions /usr/bin/ld: warning: creating DT_TEXTREL in a PIE /usr/bin/ld: warning: .tmp_vmlinux.kallsyms2.o: missing .note.GNU-stack section implies executable stack /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker /usr/bin/ld: init/main.o: warning: relocation in read-only section `.ref.text' /usr/bin/ld: warning: vmlinux has a LOAD segment with RWX permissions /usr/bin/ld: warning: creating DT_TEXTREL in a PIE [10:44:20] Starting KUnit Kernel (1/1)... [10:44:20] ============================================================ [10:44:21] =============== time_test_cases (1 subtest) ================ [10:44:21] [PASSED] time64_to_tm_test_date_range [10:44:21] ================= [PASSED] time_test_cases ================= [10:44:21] ================== resource (2 subtests) =================== [10:44:21] [PASSED] resource_test_union [10:44:21] [PASSED] resource_test_intersection [10:44:21] ==================== [PASSED] resource ===================== [10:44:21] ================ sysctl_test (10 subtests) ================= [10:44:21] [PASSED] sysctl_test_api_dointvec_null_tbl_data [10:44:21] [PASSED] sysctl_test_api_dointvec_table_maxlen_unset [10:44:21] [PASSED] sysctl_test_api_dointvec_table_len_is_zero [10:44:21] [PASSED] sysctl_test_api_dointvec_table_read_but_position_set [10:44:21] [PASSED] sysctl_test_dointvec_read_happy_single_positive [10:44:21] [PASSED] sysctl_test_dointvec_read_happy_single_negative [10:44:21] [PASSED] sysctl_test_dointvec_write_happy_single_positive [10:44:21] [PASSED] sysctl_test_dointvec_write_happy_single_negative [10:44:21] [PASSED] sysctl_test_api_dointvec_write_single_less_int_min [10:44:21] [PASSED] sysctl_test_api_dointvec_write_single_greater_int_max [10:44:21] =================== [PASSED] sysctl_test =================== [10:44:21] ================== binfmt_elf (1 subtest) ================== [10:44:21] [PASSED] total_mapping_size_test [10:44:21] =================== [PASSED] binfmt_elf ==================== [10:44:21] =================== cpumask (6 subtests) =================== [10:44:21] [PASSED] test_cpumask_weight [10:44:21] [PASSED] test_cpumask_first [10:44:21] [PASSED] test_cpumask_last [10:44:21] [PASSED] test_cpumask_next [10:44:21] [PASSED] test_cpumask_iterators [10:44:21] [PASSED] test_cpumask_iterators_builtin [10:44:21] ===================== [PASSED] cpumask ===================== [10:44:21] ==================== hash (2 subtests) ===================== [10:44:21] [PASSED] test_string_or [10:44:21] [PASSED] test_hash_or [10:44:21] ====================== [PASSED] hash ======================= [10:44:21] ================== list_sort (1 subtest) =================== [10:44:21] [PASSED] list_sort_test [10:44:21] ==================== [PASSED] list_sort ==================== [10:44:21] =================== lib_sort (1 subtest) =================== [10:44:21] [PASSED] test_sort [10:44:21] ==================== [PASSED] lib_sort ===================== [10:44:21] ============= kunit_executor_test (4 subtests) ============= [10:44:21] [PASSED] parse_filter_test [10:44:21] [PASSED] filter_suites_test [10:44:21] [PASSED] filter_suites_test_glob_test [10:44:21] [PASSED] filter_suites_to_empty_test [10:44:21] =============== [PASSED] kunit_executor_test =============== [10:44:21] ============ kunit-try-catch-test (2 subtests) ============= [10:44:21] [PASSED] kunit_test_try_catch_successful_try_no_catch [10:44:21] [PASSED] kunit_test_try_catch_unsuccessful_try_does_catch [10:44:21] ============== [PASSED] kunit-try-catch-test =============== [10:44:21] ============= kunit-resource-test (8 subtests) ============= [10:44:21] [PASSED] kunit_resource_test_init_resources [10:44:21] [PASSED] kunit_resource_test_alloc_resource [10:44:21] [PASSED] kunit_resource_test_destroy_resource [10:44:21] [PASSED] kunit_resource_test_remove_resource [10:44:21] [PASSED] kunit_resource_test_cleanup_resources [10:44:21] [PASSED] kunit_resource_test_proper_free_ordering [10:44:21] [PASSED] kunit_resource_test_static [10:44:21] [PASSED] kunit_resource_test_named [10:44:21] =============== [PASSED] kunit-resource-test =============== [10:44:21] ================ kunit-log-test (1 subtest) ================ [10:44:21] [PASSED] kunit_log_test [10:44:21] ================= [PASSED] kunit-log-test ================== [10:44:21] ================ kunit_status (2 subtests) ================= [10:44:21] [PASSED] kunit_status_set_failure_test [10:44:21] [PASSED] kunit_status_mark_skipped_test [10:44:21] ================== [PASSED] kunit_status =================== [10:44:21] ============= string-stream-test (3 subtests) ============== [10:44:21] [PASSED] string_stream_test_empty_on_creation [10:44:21] [PASSED] string_stream_test_not_empty_after_add [10:44:21] [PASSED] string_stream_test_get_string [10:44:21] =============== [PASSED] string-stream-test ================ [10:44:21] =================== example (4 subtests) =================== [10:44:21] [PASSED] example_simple_test [10:44:21] [SKIPPED] example_skip_test [10:44:21] [SKIPPED] example_mark_skipped_test [10:44:21] [PASSED] example_all_expect_macros_test [10:44:21] ===================== [PASSED] example ===================== [10:44:21] ================== bitfields (2 subtests) ================== [10:44:21] [PASSED] test_bitfields_constants [10:44:21] [PASSED] test_bitfields_variables [10:44:21] ==================== [PASSED] bitfields ==================== [10:44:21] ============== list-kunit-test (39 subtests) =============== [10:44:21] [PASSED] list_test_list_init [10:44:21] [PASSED] list_test_list_add [10:44:21] [PASSED] list_test_list_add_tail [10:44:21] [PASSED] list_test_list_del [10:44:21] [PASSED] list_test_list_replace [10:44:21] [PASSED] list_test_list_replace_init [10:44:21] [PASSED] list_test_list_swap [10:44:21] [PASSED] list_test_list_del_init [10:44:21] [PASSED] list_test_list_del_init_careful [10:44:21] [PASSED] list_test_list_move [10:44:21] [PASSED] list_test_list_move_tail [10:44:21] [PASSED] list_test_list_bulk_move_tail [10:44:21] [PASSED] list_test_list_is_head [10:44:21] [PASSED] list_test_list_is_first [10:44:21] [PASSED] list_test_list_is_last [10:44:21] [PASSED] list_test_list_empty [10:44:21] [PASSED] list_test_list_empty_careful [10:44:21] [PASSED] list_test_list_rotate_left [10:44:21] [PASSED] list_test_list_rotate_to_front [10:44:21] [PASSED] list_test_list_is_singular [10:44:21] [PASSED] list_test_list_cut_position [10:44:21] [PASSED] list_test_list_cut_before [10:44:21] [PASSED] list_test_list_splice [10:44:21] [PASSED] list_test_list_splice_tail [10:44:21] [PASSED] list_test_list_splice_init [10:44:21] [PASSED] list_test_list_splice_tail_init [10:44:21] [PASSED] list_test_list_entry [10:44:21] [PASSED] list_test_list_entry_is_head [10:44:21] [PASSED] list_test_list_first_entry [10:44:21] [PASSED] list_test_list_last_entry [10:44:21] [PASSED] list_test_list_first_entry_or_null [10:44:21] [PASSED] list_test_list_next_entry [10:44:21] [PASSED] list_test_list_prev_entry [10:44:21] [PASSED] list_test_list_for_each [10:44:21] [PASSED] list_test_list_for_each_prev [10:44:21] [PASSED] list_test_list_for_each_safe [10:44:21] [PASSED] list_test_list_for_each_prev_safe [10:44:21] [PASSED] list_test_list_for_each_entry [10:44:21] [PASSED] list_test_list_for_each_entry_reverse [10:44:21] ================= [PASSED] list-kunit-test ================= [10:44:21] =================== hlist (18 subtests) ==================== [10:44:21] [PASSED] hlist_test_init [10:44:21] [PASSED] hlist_test_unhashed [10:44:21] [PASSED] hlist_test_unhashed_lockless [10:44:21] [PASSED] hlist_test_del [10:44:21] [PASSED] hlist_test_del_init [10:44:21] [PASSED] hlist_test_add [10:44:21] [PASSED] hlist_test_fake [10:44:21] [PASSED] hlist_test_is_singular_node [10:44:21] [PASSED] hlist_test_empty [10:44:21] [PASSED] hlist_test_move_list [10:44:21] [PASSED] hlist_test_entry [10:44:21] [PASSED] hlist_test_entry_safe [10:44:21] [PASSED] hlist_test_for_each [10:44:21] [PASSED] hlist_test_for_each_safe [10:44:21] [PASSED] hlist_test_for_each_entry [10:44:21] [PASSED] hlist_test_for_each_entry_continue [10:44:21] [PASSED] hlist_test_for_each_entry_from [10:44:21] [PASSED] hlist_test_for_each_entry_safe [10:44:21] ====================== [PASSED] hlist ====================== [10:44:21] ================== bits-test (3 subtests) ================== [10:44:21] [PASSED] genmask_test [10:44:21] [PASSED] genmask_ull_test [10:44:21] [PASSED] genmask_input_check_test [10:44:21] ==================== [PASSED] bits-test ==================== [10:44:21] =================== cmdline (4 subtests) =================== [10:44:21] [PASSED] cmdline_test_noint [10:44:21] [PASSED] cmdline_test_lead_int [10:44:21] [PASSED] cmdline_test_tail_int [10:44:21] [PASSED] cmdline_test_range [10:44:21] ===================== [PASSED] cmdline ===================== [10:44:21] ================== slub_test (5 subtests) ================== [10:44:21] [PASSED] test_clobber_zone [10:44:21] [PASSED] test_next_pointer [10:44:21] [PASSED] test_first_word [10:44:21] [PASSED] test_clobber_50th_byte [10:44:21] [PASSED] test_clobber_redzone_free [10:44:21] ==================== [PASSED] slub_test ==================== [10:44:21] =================== memcpy (3 subtests) ==================== [10:44:21] [PASSED] memset_test [10:44:21] [PASSED] memcpy_test [10:44:21] [PASSED] memmove_test [10:44:21] ===================== [PASSED] memcpy ====================== [10:44:21] ================== overflow (11 subtests) ================== [10:44:21] [PASSED] u8_overflow_test [10:44:21] [PASSED] s8_overflow_test [10:44:21] [PASSED] u16_overflow_test [10:44:21] [PASSED] s16_overflow_test [10:44:21] [PASSED] u32_overflow_test [10:44:21] [PASSED] s32_overflow_test [10:44:21] [PASSED] u64_overflow_test [10:44:21] [PASSED] s64_overflow_test [10:44:21] [PASSED] overflow_shift_test [10:44:21] [PASSED] overflow_allocation_test [10:44:21] [PASSED] overflow_size_helpers_test [10:44:21] ==================== [PASSED] overflow ===================== [10:44:21] ================= stackinit (65 subtests) ================== [10:44:21] [PASSED] test_u8_zero [10:44:21] [PASSED] test_u16_zero [10:44:21] [PASSED] test_u32_zero [10:44:21] [PASSED] test_u64_zero [10:44:21] [PASSED] test_char_array_zero [10:44:21] [PASSED] test_small_hole_zero [10:44:21] [PASSED] test_big_hole_zero [10:44:21] [PASSED] test_trailing_hole_zero [10:44:21] [PASSED] test_packed_zero [10:44:21] [PASSED] test_small_hole_dynamic_partial [10:44:21] [PASSED] test_big_hole_dynamic_partial [10:44:21] [PASSED] test_trailing_hole_dynamic_partial [10:44:21] [PASSED] test_packed_dynamic_partial [10:44:21] [PASSED] test_small_hole_assigned_dynamic_partial [10:44:21] [PASSED] test_big_hole_assigned_dynamic_partial [10:44:21] [PASSED] test_trailing_hole_assigned_dynamic_partial [10:44:21] [PASSED] test_packed_assigned_dynamic_partial [10:44:21] [PASSED] test_small_hole_static_partial [10:44:21] [PASSED] test_big_hole_static_partial [10:44:21] [PASSED] test_trailing_hole_static_partial [10:44:21] [PASSED] test_packed_static_partial [10:44:21] [PASSED] test_small_hole_static_all [10:44:21] [PASSED] test_big_hole_static_all [10:44:21] [PASSED] test_trailing_hole_static_all [10:44:21] [PASSED] test_packed_static_all [10:44:21] [PASSED] test_small_hole_dynamic_all [10:44:21] [PASSED] test_big_hole_dynamic_all [10:44:21] [PASSED] test_trailing_hole_dynamic_all [10:44:21] [PASSED] test_packed_dynamic_all [10:44:21] [PASSED] test_small_hole_runtime_partial [10:44:21] [PASSED] test_big_hole_runtime_partial [10:44:21] [PASSED] test_trailing_hole_runtime_partial [10:44:21] [PASSED] test_packed_runtime_partial [10:44:21] [PASSED] test_small_hole_runtime_all [10:44:21] [PASSED] test_big_hole_runtime_all [10:44:21] [PASSED] test_trailing_hole_runtime_all [10:44:21] [PASSED] test_packed_runtime_all [10:44:21] [PASSED] test_small_hole_assigned_static_partial [10:44:21] [PASSED] test_big_hole_assigned_static_partial [10:44:21] [PASSED] test_trailing_hole_assigned_static_partial [10:44:21] [PASSED] test_packed_assigned_static_partial [10:44:21] [PASSED] test_small_hole_assigned_static_all [10:44:21] [PASSED] test_big_hole_assigned_static_all [10:44:21] [PASSED] test_trailing_hole_assigned_static_all [10:44:21] [PASSED] test_packed_assigned_static_all [10:44:21] [PASSED] test_small_hole_assigned_dynamic_all [10:44:21] [PASSED] test_big_hole_assigned_dynamic_all [10:44:21] [PASSED] test_trailing_hole_assigned_dynamic_all [10:44:21] [PASSED] test_packed_assigned_dynamic_all [10:44:21] [SKIPPED] test_small_hole_assigned_copy [10:44:21] [SKIPPED] test_big_hole_assigned_copy [10:44:21] [SKIPPED] test_trailing_hole_assigned_copy [10:44:21] [PASSED] test_packed_assigned_copy [10:44:21] [PASSED] test_u8_none [10:44:21] [PASSED] test_u16_none [10:44:21] [PASSED] test_u32_none [10:44:21] [PASSED] test_u64_none [10:44:21] [PASSED] test_char_array_none [10:44:21] [SKIPPED] test_switch_1_none [10:44:21] [SKIPPED] test_switch_2_none [10:44:21] [PASSED] test_small_hole_none [10:44:21] [PASSED] test_big_hole_none [10:44:21] [PASSED] test_trailing_hole_none [10:44:21] [PASSED] test_packed_none [10:44:21] [PASSED] test_user [10:44:21] ==================== [PASSED] stackinit ==================== [10:44:21] =============== qos-kunit-test (3 subtests) ================ [10:44:21] [PASSED] freq_qos_test_min [10:44:21] [PASSED] freq_qos_test_maxdef [10:44:21] [PASSED] freq_qos_test_readd [10:44:21] ================= [PASSED] qos-kunit-test ================== [10:44:21] =============== property-entry (7 subtests) ================ [10:44:21] [PASSED] pe_test_uints [10:44:21] [PASSED] pe_test_uint_arrays [10:44:21] [PASSED] pe_test_strings [10:44:21] [PASSED] pe_test_bool [10:44:21] [PASSED] pe_test_move_inline_u8 [10:44:21] [PASSED] pe_test_move_inline_str [10:44:21] [PASSED] pe_test_reference [10:44:21] ================= [PASSED] property-entry ================== [10:44:21] ============================================================ [10:44:21] Testing complete. Ran 208 tests: passed: 201, skipped: 7 [10:44:21] Elapsed time: 52.940s total, 0.001s configuring, 52.223s building, 0.696s running sergio@laptop:~/repos/rust-for-linux$ date dom 15 ene 2023 10:44:26 CET sergio@laptop:~/repos/rust-for-linux$ grep CONFIG_RUST .kunit/.config CONFIG_RUST_IS_AVAILABLE=y CONFIG_RUST=y CONFIG_RUSTC_VERSION_TEXT="rustc 1.62.0 (a8314ef7d 2022-06-27)" # CONFIG_RUST_DEBUG_ASSERTIONS is not set CONFIG_RUST_OVERFLOW_CHECKS=y
