Merge branch 'rust' into file_flags_type

Author: wedsonaf

.clang-format

@@ -7,7 +7,7 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-20.04
-    container: ghcr.io/rust-for-linux/ci
+    container: ghcr.io/rust-for-linux/ci:Rust-1.62.0
     timeout-minutes: 20
 
     strategy:
@@ -266,6 +266,9 @@ jobs:
           ! grep -v 'at mm/debug_vm_pgtable.c:' qemu-stdout.log | grep '] WARNING:'
 
       # Check
+      - run: |
+          grep '] ok 1 - rust_kernel_doctests$' qemu-stdout.log
+
       - run: |
           grep '] rust_minimal: Rust minimal sample (init)$' qemu-stdout.log
           grep '] rust_minimal: Am I built-in? false$'       qemu-stdout.log
@@ -360,6 +363,11 @@ jobs:
           grep '] rust_semaphore_c: Rust semaphore sample (in C, for comparison) (init)$' qemu-stdout.log
           grep '] rust_semaphore_c: Rust semaphore sample (in C, for comparison) (exit)$' qemu-stdout.log
 
+      - run: |
+          grep '] rust_selftests: Rust self tests (init)$' qemu-stdout.log
+          grep '] rust_selftests: All tests passed. Congratulations!$' qemu-stdout.log
+          grep '] rust_selftests: Rust self tests (exit)$' qemu-stdout.log
+
       # Report
       - run: |
           cat ${{ env.BUILD_DIR }}.config
@@ -405,5 +413,8 @@ jobs:
           grep -F '.text'                       ${{ env.BUILD_DIR }}samples/rust/rust_minimal.s
           grep -F '; ModuleID'                  ${{ env.BUILD_DIR }}samples/rust/rust_minimal.ll
 
+      # Rust host programs
+      - run: ${{ env.BUILD_DIR }}samples/rust/hostprogs/single | grep -F 'The number is 42.'
+
       # View changes to ccache
       - run: ccache -s

.github/workflows/ci.yaml

@@ -1780,6 +1780,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 # CONFIG_STRICT_DEVMEM is not set
 
 #
@@ -1801,7 +1803,7 @@ CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_ARCH_HAS_KCOV=y
@@ -1826,6 +1828,7 @@ CONFIG_RUST_OPT_LEVEL_2=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-arm-debug.config

@@ -1704,6 +1704,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 # CONFIG_STRICT_DEVMEM is not set
 
 #
@@ -1724,7 +1726,7 @@ CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_ARCH_HAS_KCOV=y
@@ -1784,7 +1786,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y

.github/workflows/kernel-arm-release.config

@@ -1437,6 +1437,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 
 #
 # arm64 Debugging
@@ -1449,7 +1451,7 @@ CONFIG_PID_IN_CONTEXTIDR=y
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 CONFIG_FUNCTION_ERROR_INJECTION=y
 # CONFIG_FAULT_INJECTION is not set
@@ -1475,6 +1477,7 @@ CONFIG_RUST_OPT_LEVEL_1=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-arm64-debug-thinlto.config

@@ -1432,6 +1432,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 
 #
 # arm64 Debugging
@@ -1444,7 +1446,7 @@ CONFIG_PID_IN_CONTEXTIDR=y
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 CONFIG_FUNCTION_ERROR_INJECTION=y
 # CONFIG_FAULT_INJECTION is not set
@@ -1470,6 +1472,7 @@ CONFIG_RUST_OPT_LEVEL_1=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-arm64-debug.config

@@ -1355,6 +1355,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 
 #
 # arm64 Debugging
@@ -1367,7 +1369,7 @@ CONFIG_SAMPLE_RUST_RANDOM=m
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_ARCH_HAS_KCOV=y
@@ -1392,7 +1394,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y

.github/workflows/kernel-arm64-release-thinlto.config

@@ -1350,6 +1350,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 
 #
 # arm64 Debugging
@@ -1362,7 +1364,7 @@ CONFIG_SAMPLE_RUST_RANDOM=m
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_ARCH_HAS_KCOV=y
@@ -1387,7 +1389,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y

.github/workflows/kernel-arm64-release.config

@@ -71,7 +71,7 @@ CONFIG_NO_HZ_COMMON=y
 CONFIG_NO_HZ_IDLE=y
 # CONFIG_NO_HZ_FULL is not set
 # CONFIG_NO_HZ is not set
-# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_HIGH_RES_TIMERS=y
 # end of Timers subsystem
 
 # CONFIG_PREEMPT_NONE is not set
@@ -1492,6 +1492,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 # CONFIG_STRICT_DEVMEM is not set
 
@@ -1591,6 +1593,7 @@ CONFIG_RUST_OPT_LEVEL_0=y
 # CONFIG_RUST_OPT_LEVEL_Z is not set
 CONFIG_RUST_BUILD_ASSERT_ALLOW=y
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-ppc64le-debug.config

@@ -71,7 +71,7 @@ CONFIG_NO_HZ_COMMON=y
 CONFIG_NO_HZ_IDLE=y
 # CONFIG_NO_HZ_FULL is not set
 # CONFIG_NO_HZ is not set
-# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_HIGH_RES_TIMERS=y
 # end of Timers subsystem
 
 # CONFIG_PREEMPT_NONE is not set
@@ -1454,6 +1454,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 # CONFIG_STRICT_DEVMEM is not set
 
@@ -1472,7 +1474,7 @@ CONFIG_PRINT_STACK_DEPTH=64
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 CONFIG_ARCH_HAS_KCOV=y
 CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # CONFIG_KCOV is not set
@@ -1495,7 +1497,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y

.github/workflows/kernel-ppc64le-release.config

@@ -1286,6 +1286,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 # CONFIG_STRICT_DEVMEM is not set
 
 #
@@ -1295,7 +1297,7 @@ CONFIG_SAMPLE_RUST_RANDOM=m
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 # CONFIG_NOTIFIER_ERROR_INJECTION is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_ARCH_HAS_KCOV=y
@@ -1319,6 +1321,7 @@ CONFIG_RUST_OPT_LEVEL_0=y
 # CONFIG_RUST_OPT_LEVEL_Z is not set
 CONFIG_RUST_BUILD_ASSERT_ALLOW=y
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-riscv64-debug.config

@@ -1202,6 +1202,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 # CONFIG_STRICT_DEVMEM is not set
 
 #
@@ -1211,7 +1213,7 @@ CONFIG_SAMPLE_RUST_RANDOM=m
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 CONFIG_ARCH_HAS_KCOV=y
 CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # CONFIG_KCOV is not set
@@ -1234,7 +1236,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y

.github/workflows/kernel-riscv64-release.config

@@ -1441,6 +1441,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 # CONFIG_STRICT_DEVMEM is not set
 
@@ -1542,6 +1544,7 @@ CONFIG_RUST_OPT_LEVEL_0=y
 # CONFIG_RUST_OPT_LEVEL_Z is not set
 CONFIG_RUST_BUILD_ASSERT_ALLOW=y
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-x86_64-debug-thinlto.config

@@ -1444,6 +1444,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 # CONFIG_STRICT_DEVMEM is not set
 
@@ -1545,6 +1547,7 @@ CONFIG_RUST_OPT_LEVEL_0=y
 # CONFIG_RUST_OPT_LEVEL_Z is not set
 CONFIG_RUST_BUILD_ASSERT_ALLOW=y
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 

.github/workflows/kernel-x86_64-debug.config

@@ -1397,6 +1397,8 @@ CONFIG_SAMPLE_RUST_STACK_PROBING=m
 CONFIG_SAMPLE_RUST_SEMAPHORE=m
 CONFIG_SAMPLE_RUST_SEMAPHORE_C=m
 CONFIG_SAMPLE_RUST_RANDOM=m
+CONFIG_SAMPLE_RUST_HOSTPROGS=y
+CONFIG_SAMPLE_RUST_SELFTESTS=m
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 # CONFIG_STRICT_DEVMEM is not set
 
@@ -1419,7 +1421,7 @@ CONFIG_UNWINDER_ORC=y
 #
 # Kernel Testing and Coverage
 #
-# CONFIG_KUNIT is not set
+CONFIG_KUNIT=y
 CONFIG_ARCH_HAS_KCOV=y
 CONFIG_CC_HAS_SANCOV_TRACE_PC=y
 # CONFIG_KCOV is not set
@@ -1442,7 +1444,8 @@ CONFIG_RUST_OPT_LEVEL_SIMILAR_AS_CHOSEN_FOR_C=y
 # CONFIG_RUST_BUILD_ASSERT_ALLOW is not set
 # CONFIG_RUST_BUILD_ASSERT_WARN is not set
 CONFIG_RUST_BUILD_ASSERT_DENY=y
+CONFIG_RUST_KERNEL_KUNIT_TEST=y
 # end of Rust hacking
 # end of Kernel hacking
 
-CONFIG_WERROR=y
+CONFIG_WERROR=y