Merging upstream version 6.7.12.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 44 insertions, 17 deletions

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 548491de81..ef427ee787 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -565,6 +565,7 @@ CPU_SHOW_VULN_FALLBACK(mmio_stale_data);
 CPU_SHOW_VULN_FALLBACK(retbleed);
 CPU_SHOW_VULN_FALLBACK(spec_rstack_overflow);
 CPU_SHOW_VULN_FALLBACK(gds);
+CPU_SHOW_VULN_FALLBACK(reg_file_data_sampling);
 
 static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
 static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
@@ -579,6 +580,7 @@ static DEVICE_ATTR(mmio_stale_data, 0444, cpu_show_mmio_stale_data, NULL);
 static DEVICE_ATTR(retbleed, 0444, cpu_show_retbleed, NULL);
 static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NULL);
 static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL);
+static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL);
 
 static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_meltdown.attr,
@@ -594,6 +596,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_retbleed.attr,
 	&dev_attr_spec_rstack_overflow.attr,
 	&dev_attr_gather_data_sampling.attr,
+	&dev_attr_reg_file_data_sampling.attr,
 	NULL
 };
 
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index 42171f766d..5a5a9e978e 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -313,8 +313,10 @@ void dev_pm_enable_wake_irq_complete(struct device *dev)
 		return;
 
 	if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED &&
-	    wirq->status & WAKE_IRQ_DEDICATED_REVERSE)
+	    wirq->status & WAKE_IRQ_DEDICATED_REVERSE) {
 		enable_irq(wirq->irq);
+		wirq->status |= WAKE_IRQ_DEDICATED_ENABLED;
+	}
 }
 
 /**
diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c
index e14cc03a17..4c9e38ead5 100644
--- a/drivers/base/regmap/regmap-kunit.c
+++ b/drivers/base/regmap/regmap-kunit.c
@@ -9,6 +9,23 @@
 
 #define BLOCK_TEST_SIZE 12
 
+static void get_changed_bytes(void *orig, void *new, size_t size)
+{
+	char *o = orig;
+	char *n = new;
+	int i;
+
+	get_random_bytes(new, size);
+
+	/*
+	 * This could be nicer and more efficient but we shouldn't
+	 * super care.
+	 */
+	for (i = 0; i < size; i++)
+		while (n[i] == o[i])
+			get_random_bytes(&n[i], 1);
+}
+
 static const struct regmap_config test_regmap_config = {
 	.max_register = BLOCK_TEST_SIZE,
 	.reg_stride = 1,
@@ -1192,7 +1209,7 @@ static void raw_sync(struct kunit *test)
 	struct regmap *map;
 	struct regmap_config config;
 	struct regmap_ram_data *data;
-	u16 val[2];
+	u16 val[3];
 	u16 *hw_buf;
 	unsigned int rval;
 	int i;
@@ -1206,17 +1223,13 @@ static void raw_sync(struct kunit *test)
 
 	hw_buf = (u16 *)data->vals;
 
-	get_random_bytes(&val, sizeof(val));
+	get_changed_bytes(&hw_buf[2], &val[0], sizeof(val));
 
 	/* Do a regular write and a raw write in cache only mode */
 	regcache_cache_only(map, true);
-	KUNIT_EXPECT_EQ(test, 0, regmap_raw_write(map, 2, val, sizeof(val)));
-	if (config.val_format_endian == REGMAP_ENDIAN_BIG)
-		KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 6,
-						      be16_to_cpu(val[0])));
-	else
-		KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 6,
-						      le16_to_cpu(val[0])));
+	KUNIT_EXPECT_EQ(test, 0, regmap_raw_write(map, 2, val,
+						  sizeof(u16) * 2));
+	KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 4, val[2]));
 
 	/* We should read back the new values, and defaults for the rest */
 	for (i = 0; i < config.max_register + 1; i++) {
@@ -1225,24 +1238,34 @@ static void raw_sync(struct kunit *test)
 		switch (i) {
 		case 2:
 		case 3:
-		case 6:
 			if (config.val_format_endian == REGMAP_ENDIAN_BIG) {
 				KUNIT_EXPECT_EQ(test, rval,
-						be16_to_cpu(val[i % 2]));
+						be16_to_cpu(val[i - 2]));
 			} else {
 				KUNIT_EXPECT_EQ(test, rval,
-						le16_to_cpu(val[i % 2]));
+						le16_to_cpu(val[i - 2]));
 			}
 			break;
+		case 4:
+			KUNIT_EXPECT_EQ(test, rval, val[i - 2]);
+			break;
 		default:
 			KUNIT_EXPECT_EQ(test, config.reg_defaults[i].def, rval);
 			break;
 		}
 	}
+
+	/*
+	 * The value written via _write() was translated by the core,
+	 * translate the original copy for comparison purposes.
+	 */
+	if (config.val_format_endian == REGMAP_ENDIAN_BIG)
+		val[2] = cpu_to_be16(val[2]);
+	else
+		val[2] = cpu_to_le16(val[2]);
 	
 	/* The values should not appear in the "hardware" */
-	KUNIT_EXPECT_MEMNEQ(test, &hw_buf[2], val, sizeof(val));
-	KUNIT_EXPECT_MEMNEQ(test, &hw_buf[6], val, sizeof(u16));
+	KUNIT_EXPECT_MEMNEQ(test, &hw_buf[2], &val[0], sizeof(val));
 
 	for (i = 0; i < config.max_register + 1; i++)
 		data->written[i] = false;
@@ -1253,8 +1276,7 @@ static void raw_sync(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, 0, regcache_sync(map));
 
 	/* The values should now appear in the "hardware" */
-	KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], val, sizeof(val));
-	KUNIT_EXPECT_MEMEQ(test, &hw_buf[6], val, sizeof(u16));
+	KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], &val[0], sizeof(val));
 
 	regmap_exit(map);
 }