Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Documentation/bpf/bpf_devel_QA.rst
  b7abcd9c656b ("bpf, doc: Link to submitting-patches.rst for general patch submission info")
  d56b0c461d19 ("bpf, docs: Fix link to netdev-FAQ target")
https://lore.kernel.org/all/20230307095812.236eb1be@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

6 files changed, 25 insertions, 30 deletions

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index be6ee6020290..fdca89c05745 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -49,6 +49,15 @@ menuconfig KASAN
 
 if KASAN
 
+config CC_HAS_KASAN_MEMINTRINSIC_PREFIX
+	def_bool (CC_IS_CLANG && $(cc-option,-fsanitize=kernel-address -mllvm -asan-kernel-mem-intrinsic-prefix=1)) || \
+		 (CC_IS_GCC && $(cc-option,-fsanitize=kernel-address --param asan-kernel-mem-intrinsic-prefix=1))
+	# Don't define it if we don't need it: compilation of the test uses
+	# this variable to decide how the compiler should treat builtins.
+	depends on !KASAN_HW_TAGS
+	help
+	  The compiler is able to prefix memintrinsics with __asan or __hwasan.
+
 choice
 	prompt "KASAN mode"
 	default KASAN_GENERIC
diff --git a/lib/Makefile b/lib/Makefile
index 469be6240523..baf2821f7a00 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -127,14 +127,10 @@ CFLAGS_test_fpu.o += $(FPU_CFLAGS)
 
 obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/
 
-obj-$(CONFIG_KUNIT) += kunit/
-# Include the KUnit hooks unconditionally. They'll compile to nothing if
-# CONFIG_KUNIT=n, otherwise will be a small table of static data (static key,
-# function pointers) which need to be built-in even when KUnit is a module.
-ifeq ($(CONFIG_KUNIT), m)
-obj-y += kunit/hooks.o
-else
-obj-$(CONFIG_KUNIT) += kunit/hooks.o
+# Some KUnit files (hooks.o) need to be built-in even when KUnit is a module,
+# so we can't just use obj-$(CONFIG_KUNIT).
+ifdef CONFIG_KUNIT
+obj-y += kunit/
 endif
 
 ifeq ($(CONFIG_DEBUG_KOBJECT),y)
diff --git a/lib/cpumask_kunit.c b/lib/cpumask_kunit.c
index d1fc6ece21f3..a105e6369efc 100644
--- a/lib/cpumask_kunit.c
+++ b/lib/cpumask_kunit.c
@@ -23,16 +23,6 @@
 		KUNIT_EXPECT_EQ_MSG((test), mask_weight, iter, MASK_MSG(mask));	\
 	} while (0)
 
-#define EXPECT_FOR_EACH_CPU_NOT_EQ(test, mask)					\
-	do {									\
-		const cpumask_t *m = (mask);					\
-		int mask_weight = cpumask_weight(m);				\
-		int cpu, iter = 0;						\
-		for_each_cpu_not(cpu, m)					\
-			iter++;							\
-		KUNIT_EXPECT_EQ_MSG((test), nr_cpu_ids - mask_weight, iter, MASK_MSG(mask));	\
-	} while (0)
-
 #define EXPECT_FOR_EACH_CPU_OP_EQ(test, op, mask1, mask2)			\
 	do {									\
 		const cpumask_t *m1 = (mask1);					\
@@ -77,7 +67,7 @@ static void test_cpumask_weight(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, 0, cpumask_weight(&mask_empty), MASK_MSG(&mask_empty));
 	KUNIT_EXPECT_EQ_MSG(test, nr_cpu_ids, cpumask_weight(cpu_possible_mask),
 			    MASK_MSG(cpu_possible_mask));
-	KUNIT_EXPECT_EQ_MSG(test, nr_cpumask_bits, cpumask_weight(&mask_all), MASK_MSG(&mask_all));
+	KUNIT_EXPECT_EQ_MSG(test, nr_cpu_ids, cpumask_weight(&mask_all), MASK_MSG(&mask_all));
 }
 
 static void test_cpumask_first(struct kunit *test)
@@ -113,14 +103,12 @@ static void test_cpumask_next(struct kunit *test)
 static void test_cpumask_iterators(struct kunit *test)
 {
 	EXPECT_FOR_EACH_CPU_EQ(test, &mask_empty);
-	EXPECT_FOR_EACH_CPU_NOT_EQ(test, &mask_empty);
 	EXPECT_FOR_EACH_CPU_WRAP_EQ(test, &mask_empty);
 	EXPECT_FOR_EACH_CPU_OP_EQ(test, and, &mask_empty, &mask_empty);
 	EXPECT_FOR_EACH_CPU_OP_EQ(test, and, cpu_possible_mask, &mask_empty);
 	EXPECT_FOR_EACH_CPU_OP_EQ(test, andnot, &mask_empty, &mask_empty);
 
 	EXPECT_FOR_EACH_CPU_EQ(test, cpu_possible_mask);
-	EXPECT_FOR_EACH_CPU_NOT_EQ(test, cpu_possible_mask);
 	EXPECT_FOR_EACH_CPU_WRAP_EQ(test, cpu_possible_mask);
 	EXPECT_FOR_EACH_CPU_OP_EQ(test, and, cpu_possible_mask, cpu_possible_mask);
 	EXPECT_FOR_EACH_CPU_OP_EQ(test, andnot, cpu_possible_mask, &mask_empty);
diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile
index da665cd4ea12..cb417f504996 100644
--- a/lib/kunit/Makefile
+++ b/lib/kunit/Makefile
@@ -13,7 +13,7 @@ kunit-objs +=				debugfs.o
 endif
 
 # KUnit 'hooks' are built-in even when KUnit is built as a module.
-lib-y +=				hooks.o
+obj-y +=				hooks.o
 
 obj-$(CONFIG_KUNIT_TEST) +=		kunit-test.o
 
diff --git a/lib/parser.c b/lib/parser.c
index 2b5e2b480253..f4eafb9d74e6 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -133,7 +133,7 @@ EXPORT_SYMBOL(match_token);
  * as a number in that base.
  *
  * Return: On success, sets @result to the integer represented by the
- * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * string and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 static int match_number(substring_t *s, int *result, int base)
 {
@@ -165,7 +165,7 @@ static int match_number(substring_t *s, int *result, int base)
  * as a number in that base.
  *
  * Return: On success, sets @result to the integer represented by the
- * string and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * string and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 static int match_u64int(substring_t *s, u64 *result, int base)
 {
@@ -189,7 +189,7 @@ static int match_u64int(substring_t *s, u64 *result, int base)
  * Description: Attempts to parse the &substring_t @s as a decimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_int(substring_t *s, int *result)
 {
@@ -205,7 +205,7 @@ EXPORT_SYMBOL(match_int);
  * Description: Attempts to parse the &substring_t @s as a decimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_uint(substring_t *s, unsigned int *result)
 {
@@ -228,7 +228,7 @@ EXPORT_SYMBOL(match_uint);
  * integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_u64(substring_t *s, u64 *result)
 {
@@ -244,7 +244,7 @@ EXPORT_SYMBOL(match_u64);
  * Description: Attempts to parse the &substring_t @s as an octal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_octal(substring_t *s, int *result)
 {
@@ -260,7 +260,7 @@ EXPORT_SYMBOL(match_octal);
  * Description: Attempts to parse the &substring_t @s as a hexadecimal integer.
  *
  * Return: On success, sets @result to the integer represented by the string
- * and returns 0. Returns -ENOMEM, -EINVAL, or -ERANGE on failure.
+ * and returns 0. Returns -EINVAL or -ERANGE on failure.
  */
 int match_hex(substring_t *s, int *result)
 {
diff --git a/lib/zlib_deflate/defutil.h b/lib/zlib_deflate/defutil.h
index 385333b22ec6..4ea40f5a279f 100644
--- a/lib/zlib_deflate/defutil.h
+++ b/lib/zlib_deflate/defutil.h
@@ -420,9 +420,11 @@ static inline void flush_pending(
 	z_streamp strm
 )
 {
+    unsigned len;
     deflate_state *s = (deflate_state *) strm->state;
-    unsigned len = s->pending;
 
+    bi_flush(s);
+    len = s->pending;
     if (len > strm->avail_out) len = strm->avail_out;
     if (len == 0) return;