[RLC 10] Rebase Custom Changes to 6.12.0-124.1.1.el10_1

.github/workflows/build-check_aarch64-rt.yml

@@ -0,0 +1,38 @@
+name: aarch64-RT CI
+on:
+  pull_request:
+    branches:
+      - '**'
+      - '!mainline'
+
+jobs:
+  kernel-build-job:
+    runs-on:
+      labels: kernel-build-arm64
+    container:
+      image: rockylinux/rockylinux:10
+      env:
+        ROCKY_ENV: rocky10
+      ports:
+        - 80
+      options: --cpus 8
+    steps:
+      - name: Install tools and Libraries
+        run: |
+          dnf update -y
+          dnf install 'dnf-command(config-manager)' -y
+          dnf config-manager --set-enabled devel
+          dnf install --enablerepo=crb bc dwarves kernel-devel openssl-devel elfutils-libelf-devel -y
+          dnf groupinstall 'Development Tools' -y
+          dnf install openssl -y
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.head.sha }}"
+          fetch-depth: 0
+      - name: Build the Kernel
+        run: |
+          git config --global --add safe.directory /__w/kernel-src-tree/kernel-src-tree
+          cp configs/kernel-aarch64-rt-rhel.config .config
+          make olddefconfig
+          make -j8

.github/workflows/build-check_aarch64.yml

@@ -0,0 +1,38 @@
+name: aarch64 CI
+on:
+  pull_request:
+    branches:
+      - '**'
+      - '!mainline'
+
+jobs:
+  kernel-build-job:
+    runs-on:
+      labels: kernel-build-arm64
+    container:
+      image: rockylinux/rockylinux:10
+      env:
+        ROCKY_ENV: rocky10
+      ports:
+        - 80
+      options: --cpus 8
+    steps:
+      - name: Install tools and Libraries
+        run: |
+          dnf update -y
+          dnf install 'dnf-command(config-manager)' -y
+          dnf config-manager --set-enabled devel
+          dnf install --enablerepo=crb bc dwarves kernel-devel openssl-devel elfutils-libelf-devel -y
+          dnf groupinstall 'Development Tools' -y
+          dnf install openssl -y
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.head.sha }}"
+          fetch-depth: 0
+      - name: Build the Kernel
+        run: |
+          git config --global --add safe.directory /__w/kernel-src-tree/kernel-src-tree
+          cp configs/kernel-aarch64-rhel.config .config
+          make olddefconfig
+          make -j8

.github/workflows/build-check_x86_64-rt.yml

@@ -0,0 +1,38 @@
+name: x86_64-RT CI
+on:
+  pull_request:
+    branches:
+      - '**'
+      - '!mainline'
+
+jobs:
+  kernel-build-job:
+    runs-on:
+      labels: kernel-build
+    container:
+      image: rockylinux/rockylinux:10
+      env:
+        ROCKY_ENV: rocky10
+      ports:
+        - 80
+      options: --cpus 8
+    steps:
+      - name: Install tools and Libraries
+        run: |
+          dnf update -y
+          dnf install 'dnf-command(config-manager)' -y
+          dnf config-manager --set-enabled devel
+          dnf install --enablerepo=crb bc dwarves kernel-devel openssl-devel elfutils-libelf-devel -y
+          dnf groupinstall 'Development Tools' -y
+          dnf install openssl -y
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.head.sha }}"
+          fetch-depth: 0
+      - name: Build the Kernel
+        run: |
+          git config --global --add safe.directory /__w/kernel-src-tree/kernel-src-tree
+          cp configs/kernel-x86_64-rt-rhel.config .config
+          make olddefconfig
+          make -j8

.github/workflows/build-check_x86_64.yml

@@ -0,0 +1,38 @@
+name: x86_64 CI
+on:
+  pull_request:
+    branches:
+      - '**'
+      - '!mainline'
+
+jobs:
+  kernel-build-job:
+    runs-on:
+      labels: kernel-build
+    container:
+      image: rockylinux/rockylinux:10
+      env:
+        ROCKY_ENV: rocky10
+      ports:
+        - 80
+      options: --cpus 8
+    steps:
+      - name: Install tools and Libraries
+        run: |
+          dnf update -y
+          dnf install 'dnf-command(config-manager)' -y
+          dnf config-manager --set-enabled devel
+          dnf install --enablerepo=crb bc dwarves kernel-devel openssl-devel elfutils-libelf-devel -y
+          dnf groupinstall 'Development Tools' -y
+          dnf install openssl -y
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.head.sha }}"
+          fetch-depth: 0
+      - name: Build the Kernel
+        run: |
+          git config --global --add safe.directory /__w/kernel-src-tree/kernel-src-tree
+          cp configs/kernel-x86_64-rhel.config .config
+          make olddefconfig
+          make -j8

tools/hv/hv_kvp_daemon.c

@@ -83,6 +83,7 @@ enum {
 };
 
 static int in_hand_shake;
+static int debug;
 
 static char *os_name = "";
 static char *os_major = "";
@@ -183,6 +184,20 @@ static void kvp_update_file(int pool)
 	kvp_release_lock(pool);
 }
 
+static void kvp_dump_initial_pools(int pool)
+{
+	int i;
+
+	syslog(LOG_DEBUG, "===Start dumping the contents of pool %d ===\n",
+	       pool);
+
+	for (i = 0; i < kvp_file_info[pool].num_records; i++)
+		syslog(LOG_DEBUG, "pool: %d, %d/%d key=%s val=%s\n",
+		       pool, i + 1, kvp_file_info[pool].num_records,
+		       kvp_file_info[pool].records[i].key,
+		       kvp_file_info[pool].records[i].value);
+}
+
 static void kvp_update_mem_state(int pool)
 {
 	FILE *filep;
@@ -270,6 +285,8 @@ static int kvp_file_init(void)
 			return 1;
 		kvp_file_info[i].num_records = 0;
 		kvp_update_mem_state(i);
+		if (debug)
+			kvp_dump_initial_pools(i);
 	}
 
 	return 0;
@@ -297,6 +314,9 @@ static int kvp_key_delete(int pool, const __u8 *key, int key_size)
 		 * Found a match; just move the remaining
 		 * entries up.
 		 */
+		if (debug)
+			syslog(LOG_DEBUG, "%s: deleting the KVP: pool=%d key=%s val=%s",
+			       __func__, pool, record[i].key, record[i].value);
 		if (i == (num_records - 1)) {
 			kvp_file_info[pool].num_records--;
 			kvp_update_file(pool);
@@ -315,20 +335,36 @@ static int kvp_key_delete(int pool, const __u8 *key, int key_size)
 		kvp_update_file(pool);
 		return 0;
 	}
+
+	if (debug)
+		syslog(LOG_DEBUG, "%s: could not delete KVP: pool=%d key=%s. Record not found",
+		       __func__, pool, key);
+
 	return 1;
 }
 
 static int kvp_key_add_or_modify(int pool, const __u8 *key, int key_size,
 				 const __u8 *value, int value_size)
 {
-	int i;
-	int num_records;
 	struct kvp_record *record;
+	int num_records;
 	int num_blocks;
+	int i;
+
+	if (debug)
+		syslog(LOG_DEBUG, "%s: got a KVP: pool=%d key=%s val=%s",
+		       __func__, pool, key, value);
 
 	if ((key_size > HV_KVP_EXCHANGE_MAX_KEY_SIZE) ||
-		(value_size > HV_KVP_EXCHANGE_MAX_VALUE_SIZE))
+		(value_size > HV_KVP_EXCHANGE_MAX_VALUE_SIZE)) {
+		syslog(LOG_ERR, "%s: Too long key or value: key=%s, val=%s",
+		       __func__, key, value);
+
+		if (debug)
+			syslog(LOG_DEBUG, "%s: Too long key or value: pool=%d, key=%s, val=%s",
+			       __func__, pool, key, value);
 		return 1;
+	}
 
 	/*
 	 * First update the in-memory state.
@@ -348,6 +384,9 @@ static int kvp_key_add_or_modify(int pool, const __u8 *key, int key_size,
 		 */
 		memcpy(record[i].value, value, value_size);
 		kvp_update_file(pool);
+		if (debug)
+			syslog(LOG_DEBUG, "%s: updated: pool=%d key=%s val=%s",
+			       __func__, pool, key, value);
 		return 0;
 	}
 
@@ -359,15 +398,22 @@ static int kvp_key_add_or_modify(int pool, const __u8 *key, int key_size,
 		record = realloc(record, sizeof(struct kvp_record) *
 			 ENTRIES_PER_BLOCK * (num_blocks + 1));
 
-		if (record == NULL)
+		if (!record) {
+			syslog(LOG_ERR, "%s: Memory alloc failure", __func__);
 			return 1;
+		}
 		kvp_file_info[pool].num_blocks++;
 
 	}
 	memcpy(record[i].value, value, value_size);
 	memcpy(record[i].key, key, key_size);
 	kvp_file_info[pool].records = record;
 	kvp_file_info[pool].num_records++;
+
+	if (debug)
+		syslog(LOG_DEBUG, "%s: added: pool=%d key=%s val=%s",
+		       __func__, pool, key, value);
+
 	kvp_update_file(pool);
 	return 0;
 }
@@ -1661,6 +1707,7 @@ void print_usage(char *argv[])
 	fprintf(stderr, "Usage: %s [options]\n"
 		"Options are:\n"
 		"  -n, --no-daemon        stay in foreground, don't daemonize\n"
+		"  -d, --debug            Enable debug logs(syslog debug by default)\n"
 		"  -h, --help             print this help\n", argv[0]);
 }
 
@@ -1682,10 +1729,11 @@ int main(int argc, char *argv[])
 	static struct option long_options[] = {
 		{"help",	no_argument,	   0,  'h' },
 		{"no-daemon",	no_argument,	   0,  'n' },
+		{"debug",	no_argument,	   0,  'd' },
 		{0,		0,		   0,  0   }
 	};
 
-	while ((opt = getopt_long(argc, argv, "hn", long_options,
+	while ((opt = getopt_long(argc, argv, "hnd", long_options,
 				  &long_index)) != -1) {
 		switch (opt) {
 		case 'n':
@@ -1694,6 +1742,9 @@ int main(int argc, char *argv[])
 		case 'h':
 			print_usage(argv);
 			exit(0);
+		case 'd':
+			debug = 1;
+			break;
 		default:
 			print_usage(argv);
 			exit(EXIT_FAILURE);
@@ -1716,6 +1767,9 @@ int main(int argc, char *argv[])
 	 */
 	kvp_get_domain_name(full_domain_name, sizeof(full_domain_name));
 
+	if (debug)
+		syslog(LOG_INFO, "Logging debug info in syslog(debug)");
+
 	if (kvp_file_init()) {
 		syslog(LOG_ERR, "Failed to initialize the pools");
 		exit(EXIT_FAILURE);