diff --git a/Makefile b/Makefile
index e520dee34490..eee1aa092ede 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 82
+SUBLEVEL = 83
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 3a9f79d18f6b..1b7b0d0c3ebd 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -186,11 +186,16 @@ static void __init pnv_init(void)
add_preferred_console("hvc", 0, NULL);
if (!radix_enabled()) {
+ size_t size = sizeof(struct slb_entry) * mmu_slb_size;
int i;
/* Allocate per cpu area to save old slb contents during MCE */
- for_each_possible_cpu(i)
- paca_ptrs[i]->mce_faulty_slbs = memblock_alloc_node(mmu_slb_size, __alignof__(*paca_ptrs[i]->mce_faulty_slbs), cpu_to_node(i));
+ for_each_possible_cpu(i) {
+ paca_ptrs[i]->mce_faulty_slbs =
+ memblock_alloc_node(size,
+ __alignof__(struct slb_entry),
+ cpu_to_node(i));
+ }
}
}
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 133f6adcb39c..b3ac2455faad 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -458,7 +458,8 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type)
return hwirq;
}
- virq = irq_create_mapping(NULL, hwirq);
+ virq = irq_create_mapping_affinity(NULL, hwirq,
+ entry->affinity);
if (!virq) {
pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq);
diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h
index 154f27be8bfc..a51ffeea6d87 100644
--- a/arch/x86/include/asm/insn.h
+++ b/arch/x86/include/asm/insn.h
@@ -195,6 +195,21 @@ static inline int insn_offset_immediate(struct insn *insn)
return insn_offset_displacement(insn) + insn->displacement.nbytes;
}
+/**
+ * for_each_insn_prefix() -- Iterate prefixes in the instruction
+ * @insn: Pointer to struct insn.
+ * @idx: Index storage.
+ * @prefix: Prefix byte.
+ *
+ * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix
+ * and the index is stored in @idx (note that this @idx is just for a cursor,
+ * do not change it.)
+ * Since prefixes.nbytes can be bigger than 4 if some prefixes
+ * are repeated, it cannot be used for looping over the prefixes.
+ */
+#define for_each_insn_prefix(insn, idx, prefix) \
+ for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++)
+
#define POP_SS_OPCODE 0x1f
#define MOV_SREG_OPCODE 0x8e
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index 8cd745ef8c7b..fae5b00cbccf 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -255,12 +255,13 @@ static volatile u32 good_2byte_insns[256 / 32] = {
static bool is_prefix_bad(struct insn *insn)
{
+ insn_byte_t p;
int i;
- for (i = 0; i < insn->prefixes.nbytes; i++) {
+ for_each_insn_prefix(insn, i, p) {
insn_attr_t attr;
- attr = inat_get_opcode_attribute(insn->prefixes.bytes[i]);
+ attr = inat_get_opcode_attribute(p);
switch (attr) {
case INAT_MAKE_PREFIX(INAT_PFX_ES):
case INAT_MAKE_PREFIX(INAT_PFX_CS):
@@ -715,6 +716,7 @@ static const struct uprobe_xol_ops push_xol_ops = {
static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn)
{
u8 opc1 = OPCODE1(insn);
+ insn_byte_t p;
int i;
switch (opc1) {
@@ -746,8 +748,8 @@ static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn)
* Intel and AMD behavior differ in 64-bit mode: Intel ignores 66 prefix.
* No one uses these insns, reject any branch insns with such prefix.
*/
- for (i = 0; i < insn->prefixes.nbytes; i++) {
- if (insn->prefixes.bytes[i] == 0x66)
+ for_each_insn_prefix(insn, i, p) {
+ if (p == 0x66)
return -ENOTSUPP;
}
diff --git a/arch/x86/lib/insn-eval.c b/arch/x86/lib/insn-eval.c
index 306c3a0902ba..cbe7e2503394 100644
--- a/arch/x86/lib/insn-eval.c
+++ b/arch/x86/lib/insn-eval.c
@@ -70,14 +70,15 @@ static int get_seg_reg_override_idx(struct insn *insn)
{
int idx = INAT_SEG_REG_DEFAULT;
int num_overrides = 0, i;
+ insn_byte_t p;
insn_get_prefixes(insn);
/* Look for any segment override prefixes. */
- for (i = 0; i < insn->prefixes.nbytes; i++) {
+ for_each_insn_prefix(insn, i, p) {
insn_attr_t attr;
- attr = inat_get_opcode_attribute(insn->prefixes.bytes[i]);
+ attr = inat_get_opcode_attribute(p);
switch (attr) {
case INAT_MAKE_PREFIX(INAT_PFX_CS):
idx = INAT_SEG_REG_CS;
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index cea184a7dde9..e97a2aa31485 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -130,7 +130,19 @@ static const struct drm_i915_mocs_entry skylake_mocs_table[] = {
GEN9_MOCS_ENTRIES,
MOCS_ENTRY(I915_MOCS_CACHED,
LE_3_WB | LE_TC_2_LLC_ELLC | LE_LRUM(3),
- L3_3_WB)
+ L3_3_WB),
+
+ /*
+ * mocs:63
+ * - used by the L3 for all of its evictions.
+ * Thus it is expected to allow LLC cacheability to enable coherent
+ * flows to be maintained.
+ * - used to force L3 uncachable cycles.
+ * Thus it is expected to make the surface L3 uncacheable.
+ */
+ MOCS_ENTRY(63,
+ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_1_UC)
};
/* NOTE: the LE_TGT_CACHE is not used on Broxton */
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 9543c9816eed..9d3f42fd6352 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -414,6 +414,19 @@ static void i2c_imx_dma_free(struct imx_i2c_struct *i2c_imx)
dma->chan_using = NULL;
}
+static void i2c_imx_clear_irq(struct imx_i2c_struct *i2c_imx, unsigned int bits)
+{
+ unsigned int temp;
+
+ /*
+ * i2sr_clr_opcode is the value to clear all interrupts. Here we want to
+ * clear only <bits>, so we write ~i2sr_clr_opcode with just <bits>
+ * toggled. This is required because i.MX needs W0C and Vybrid uses W1C.
+ */
+ temp = ~i2c_imx->hwdata->i2sr_clr_opcode ^ bits;
+ imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR);
+}
+
static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
{
unsigned long orig_jiffies = jiffies;
@@ -426,8 +439,7 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
/* check for arbitration lost */
if (temp & I2SR_IAL) {
- temp &= ~I2SR_IAL;
- imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR);
+ i2c_imx_clear_irq(i2c_imx, I2SR_IAL);
return -EAGAIN;
}
@@ -458,6 +470,16 @@ static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx)
dev_dbg(&i2c_imx->adapter.dev, "<%s> Timeout\n", __func__);
return -ETIMEDOUT;
}
+
+ /* check for arbitration lost */
+ if (i2c_imx->i2csr & I2SR_IAL) {
+ dev_dbg(&i2c_imx->adapter.dev, "<%s> Arbitration lost\n", __func__);
+ i2c_imx_clear_irq(i2c_imx, I2SR_IAL);
+
+ i2c_imx->i2csr = 0;
+ return -EAGAIN;
+ }
+
dev_dbg(&i2c_imx->adapter.dev, "<%s> TRX complete\n", __func__);
i2c_imx->i2csr = 0;
return 0;
@@ -567,6 +589,8 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
/* Stop I2C transaction */
dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
+ if (!(temp & I2CR_MSTA))
+ i2c_imx->stopped = 1;
temp &= ~(I2CR_MSTA | I2CR_MTX);
if (i2c_imx->dma)
temp &= ~I2CR_DMAEN;
@@ -597,9 +621,7 @@ static irqreturn_t i2c_imx_isr(int irq, void *dev_id)
if (temp & I2SR_IIF) {
/* save status register */
i2c_imx->i2csr = temp;
- temp &= ~I2SR_IIF;
- temp |= (i2c_imx->hwdata->i2sr_clr_opcode & I2SR_IIF);
- imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR);
+ i2c_imx_clear_irq(i2c_imx, I2SR_IIF);
wake_up(&i2c_imx->queue);
return IRQ_HANDLED;
}
@@ -732,9 +754,12 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx,
*/
dev_dbg(dev, "<%s> clear MSTA\n", __func__);
temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
+ if (!(temp & I2CR_MSTA))
+ i2c_imx->stopped = 1;
temp &= ~(I2CR_MSTA | I2CR_MTX);
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
- i2c_imx_bus_busy(i2c_imx, 0);
+ if (!i2c_imx->stopped)
+ i2c_imx_bus_busy(i2c_imx, 0);
} else {
/*
* For i2c master receiver repeat restart operation like:
@@ -857,9 +882,12 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
dev_dbg(&i2c_imx->adapter.dev,
"<%s> clear MSTA\n", __func__);
temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
+ if (!(temp & I2CR_MSTA))
+ i2c_imx->stopped = 1;
temp &= ~(I2CR_MSTA | I2CR_MTX);
imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR);
- i2c_imx_bus_busy(i2c_imx, 0);
+ if (!i2c_imx->stopped)
+ i2c_imx_bus_busy(i2c_imx, 0);
} else {
/*
* For i2c master receiver repeat restart operation like:
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index e09cd0775ae9..3417f7dffa94 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -806,7 +806,8 @@ static int qup_i2c_bam_schedule_desc(struct qup_i2c_dev *qup)
if (ret || qup->bus_err || qup->qup_err) {
reinit_completion(&qup->xfer);
- if (qup_i2c_change_state(qup, QUP_RUN_STATE)) {
+ ret = qup_i2c_change_state(qup, QUP_RUN_STATE);
+ if (ret) {
dev_err(qup->dev, "change to run state timed out");
goto desc_err;
}
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 5a89c1cfdaa9..6ff6b5710dd4 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1468,7 +1468,8 @@ static int __init i8042_setup_aux(void)
if (error)
goto err_free_ports;
- if (aux_enable())
+ error = aux_enable();
+ if (error)
goto err_free_irq;
i8042_aux_irq_registered = true;
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 3ec090adcdae..76e9d3e2f9f2 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -254,7 +254,7 @@
#define DTE_IRQ_REMAP_INTCTL_MASK (0x3ULL << 60)
#define DTE_IRQ_TABLE_LEN_MASK (0xfULL << 1)
#define DTE_IRQ_REMAP_INTCTL (2ULL << 60)
-#define DTE_IRQ_TABLE_LEN (8ULL << 1)
+#define DTE_IRQ_TABLE_LEN (9ULL << 1)
#define DTE_IRQ_REMAP_ENABLE 1ULL
#define PAGE_MODE_NONE 0x00
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 4e414b06192e..08ae59a6e873 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -316,7 +316,7 @@ static int persistent_memory_claim(struct dm_writecache *wc)
#else
static int persistent_memory_claim(struct dm_writecache *wc)
{
- BUG();
+ return -EOPNOTSUPP;
}
#endif
@@ -1889,7 +1889,7 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
struct wc_memory_superblock s;
static struct dm_arg _args[] = {
- {0, 10, "Invalid number of feature args"},
+ {0, 16, "Invalid number of feature args"},
};
as.argc = argc;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 667db23f10ee..bf3c2a1159e6 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -455,8 +455,10 @@ static int dm_blk_report_zones(struct gendisk *disk, sector_t sector,
return -EAGAIN;
map = dm_get_live_table(md, &srcu_idx);
- if (!map)
- return -EIO;
+ if (!map) {
+ ret = -EIO;
+ goto out;
+ }
tgt = dm_table_find_target(map, sector);
if (!tgt) {
@@ -493,7 +495,6 @@ static int dm_blk_report_zones(struct gendisk *disk, sector_t sector,
static int dm_prepare_ioctl(struct mapped_device *md, int *srcu_idx,
struct block_device **bdev)
- __acquires(md->io_barrier)
{
struct dm_target *tgt;
struct dm_table *map;
@@ -527,7 +528,6 @@ static int dm_prepare_ioctl(struct mapped_device *md, int *srcu_idx,
}
static void dm_unprepare_ioctl(struct mapped_device *md, int srcu_idx)
- __releases(md->io_barrier)
{
dm_put_live_table(md, srcu_idx);
}
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 496ae07aca5e..c7ec3d24eabc 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -254,21 +254,11 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
skb_dst_set(skb, &tun_dst->dst);
/* Ignore packet loops (and multicast echo) */
- if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr))
- goto rx_error;
-
- switch (skb_protocol(skb, true)) {
- case htons(ETH_P_IP):
- if (pskb_may_pull(skb, sizeof(struct iphdr)))
- goto rx_error;
- break;
- case htons(ETH_P_IPV6):
- if (pskb_may_pull(skb, sizeof(struct ipv6hdr)))
- goto rx_error;
- break;
- default:
- goto rx_error;
+ if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) {
+ geneve->dev->stats.rx_errors++;
+ goto drop;
}
+
oiph = skb_network_header(skb);
skb_reset_network_header(skb);
@@ -309,8 +299,6 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
u64_stats_update_end(&stats->syncp);
}
return;
-rx_error:
- geneve->dev->stats.rx_errors++;
drop:
/* Consume bad packet */
kfree_skb(skb);
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index 6ad985e98e42..5a906101498d 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -146,6 +146,8 @@ static int rtw_debugfs_copy_from_user(char tmp[], int size,
{
int tmp_len;
+ memset(tmp, 0, size);
+
if (count < num)
return -EFAULT;
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index cae7caf5ab28..5a1174a8e2ba 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -811,6 +811,21 @@ static void byt_gpio_disable_free(struct pinctrl_dev *pctl_dev,
pm_runtime_put(&vg->pdev->dev);
}
+static void byt_gpio_direct_irq_check(struct byt_gpio *vg,
+ unsigned int offset)
+{
+ void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+
+ /*
+ * Before making any direction modifications, do a check if gpio is set
+ * for direct IRQ. On Bay Trail, setting GPIO to output does not make
+ * sense, so let's at least inform the caller before they shoot
+ * themselves in the foot.
+ */
+ if (readl(conf_reg) & BYT_DIRECT_IRQ_EN)
+ dev_info_once(&vg->pdev->dev, "Potential Error: Setting GPIO with direct_irq_en to output");
+}
+
static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
struct pinctrl_gpio_range *range,
unsigned int offset,
@@ -818,7 +833,6 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
{
struct byt_gpio *vg = pinctrl_dev_get_drvdata(pctl_dev);
void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
- void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
unsigned long flags;
u32 value;
@@ -829,14 +843,8 @@ static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
if (input)
value |= BYT_OUTPUT_EN;
else
- /*
- * Before making any direction modifications, do a check if gpio
- * is set for direct IRQ. On baytrail, setting GPIO to output
- * does not make sense, so let's at least warn the caller before
- * they shoot themselves in the foot.
- */
- WARN(readl(conf_reg) & BYT_DIRECT_IRQ_EN,
- "Potential Error: Setting GPIO with direct_irq_en to output");
+ byt_gpio_direct_irq_check(vg, offset);
+
writel(value, val_reg);
raw_spin_unlock_irqrestore(&byt_lock, flags);
@@ -1176,19 +1184,50 @@ static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
{
- return pinctrl_gpio_direction_input(chip->base + offset);
+ struct byt_gpio *vg = gpiochip_get_data(chip);
+ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+ unsigned long flags;
+ u32 reg;
+
+ raw_spin_lock_irqsave(&byt_lock, flags);
+
+ reg = readl(val_reg);
+ reg &= ~BYT_DIR_MASK;
+ reg |= BYT_OUTPUT_EN;
+ writel(reg, val_reg);
+
+ raw_spin_unlock_irqrestore(&byt_lock, flags);
+ return 0;
}
+/*
+ * Note despite the temptation this MUST NOT be converted into a call to
+ * pinctrl_gpio_direction_output() + byt_gpio_set() that does not work this
+ * MUST be done as a single BYT_VAL_REG register write.
+ * See the commit message of the commit adding this comment for details.
+ */
static int byt_gpio_direction_output(struct gpio_chip *chip,
unsigned int offset, int value)
{
- int ret = pinctrl_gpio_direction_output(chip->base + offset);
+ struct byt_gpio *vg = gpiochip_get_data(chip);
+ void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+ unsigned long flags;
+ u32 reg;
- if (ret)
- return ret;
+ raw_spin_lock_irqsave(&byt_lock, flags);
- byt_gpio_set(chip, offset, value);
+ byt_gpio_direct_irq_check(vg, offset);
+ reg = readl(val_reg);
+ reg &= ~BYT_DIR_MASK;
+ if (value)
+ reg |= BYT_LEVEL;
+ else
+ reg &= ~BYT_LEVEL;
+
+ writel(reg, val_reg);
+
+ raw_spin_unlock_irqrestore(&byt_lock, flags);
return 0;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index bae7cf70ee17..1c5c172315de 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -650,7 +650,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request = NULL;
struct _pcie_device *pcie_device = NULL;
u16 smid;
- u8 timeout;
+ unsigned long timeout;
u8 issue_reset;
u32 sz, sz_arg;
void *psge;
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index 5bc97b22491c..56ee84e85bee 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -1310,21 +1310,22 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
dev_name(&pdev->dev), ctlr);
if (err) {
dev_err(&pdev->dev, "could not request IRQ: %d\n", err);
- goto out_clk_disable;
+ goto out_dma_release;
}
err = spi_register_controller(ctlr);
if (err) {
dev_err(&pdev->dev, "could not register SPI controller: %d\n",
err);
- goto out_clk_disable;
+ goto out_dma_release;
}
bcm2835_debugfs_create(bs, dev_name(&pdev->dev));
return 0;
-out_clk_disable:
+out_dma_release:
+ bcm2835_dma_release(ctlr, bs);
clk_disable_unprepare(bs->clk);
return err;
}
diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c
index 9917dbce2470..472804c3f44d 100644
--- a/drivers/staging/speakup/spk_ttyio.c
+++ b/drivers/staging/speakup/spk_ttyio.c
@@ -47,27 +47,20 @@ static int spk_ttyio_ldisc_open(struct tty_struct *tty)
{
struct spk_ldisc_data *ldisc_data;
+ if (tty != speakup_tty)
+ /* Somebody tried to use this line discipline outside speakup */
+ return -ENODEV;
+
if (!tty->ops->write)
return -EOPNOTSUPP;
- mutex_lock(&speakup_tty_mutex);
- if (speakup_tty) {
- mutex_unlock(&speakup_tty_mutex);
- return -EBUSY;
- }
- speakup_tty = tty;
-
ldisc_data = kmalloc(sizeof(struct spk_ldisc_data), GFP_KERNEL);
- if (!ldisc_data) {
- speakup_tty = NULL;
- mutex_unlock(&speakup_tty_mutex);
+ if (!ldisc_data)
return -ENOMEM;
- }
init_completion(&ldisc_data->completion);
ldisc_data->buf_free = true;
- speakup_tty->disc_data = ldisc_data;
- mutex_unlock(&speakup_tty_mutex);
+ tty->disc_data = ldisc_data;
return 0;
}
@@ -189,9 +182,25 @@ static int spk_ttyio_initialise_ldisc(struct spk_synth *synth)
tty_unlock(tty);
+ mutex_lock(&speakup_tty_mutex);
+ speakup_tty = tty;
ret = tty_set_ldisc(tty, N_SPEAKUP);
if (ret)
- pr_err("speakup: Failed to set N_SPEAKUP on tty\n");
+ speakup_tty = NULL;
+ mutex_unlock(&speakup_tty_mutex);
+
+ if (!ret)
+ /* Success */
+ return 0;
+
+ pr_err("speakup: Failed to set N_SPEAKUP on tty\n");
+
+ tty_lock(tty);
+ if (tty->ops->close)
+ tty->ops->close(tty, NULL);
+ tty_unlock(tty);
+
+ tty_kclose(tty);
return ret;
}
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 245588f691e7..2f932b61b69a 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -1919,7 +1919,9 @@ static int complete_rpm(struct device *dev, void *data)
static void remove_unplugged_switch(struct tb_switch *sw)
{
- pm_runtime_get_sync(sw->dev.parent);
+ struct device *parent = get_device(sw->dev.parent);
+
+ pm_runtime_get_sync(parent);
/*
* Signal this and switches below for rpm_complete because
@@ -1930,8 +1932,10 @@ static void remove_unplugged_switch(struct tb_switch *sw)
bus_for_each_dev(&tb_bus_type, &sw->dev, NULL, complete_rpm);
tb_switch_remove(sw);
- pm_runtime_mark_last_busy(sw->dev.parent);
- pm_runtime_put_autosuspend(sw->dev.parent);
+ pm_runtime_mark_last_busy(parent);
+ pm_runtime_put_autosuspend(parent);
+
+ put_device(parent);
}
static void icm_free_unplugged_children(struct tb_switch *sw)
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 36c1c59cc72a..642765bf1023 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2894,10 +2894,14 @@ void __do_SAK(struct tty_struct *tty)
struct task_struct *g, *p;
struct pid *session;
int i;
+ unsigned long flags;
if (!tty)
return;
- session = tty->session;
+
+ spin_lock_irqsave(&tty->ctrl_lock, flags);
+ session = get_pid(tty->session);
+ spin_unlock_irqrestore(&tty->ctrl_lock, flags);
tty_ldisc_flush(tty);
@@ -2929,6 +2933,7 @@ void __do_SAK(struct tty_struct *tty)
task_unlock(p);
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
+ put_pid(session);
#endif
}
diff --git a/drivers/tty/tty_jobctrl.c b/drivers/tty/tty_jobctrl.c
index f8ed50a16848..813be2c05262 100644
--- a/drivers/tty/tty_jobctrl.c
+++ b/drivers/tty/tty_jobctrl.c
@@ -103,8 +103,8 @@ static void __proc_set_tty(struct tty_struct *tty)
put_pid(tty->session);
put_pid(tty->pgrp);
tty->pgrp = get_pid(task_pgrp(current));
- spin_unlock_irqrestore(&tty->ctrl_lock, flags);
tty->session = get_pid(task_session(current));
+ spin_unlock_irqrestore(&tty->ctrl_lock, flags);
if (current->signal->tty) {
tty_debug(tty, "current tty %s not NULL!!\n",
current->signal->tty->name);
@@ -293,20 +293,23 @@ void disassociate_ctty(int on_exit)
spin_lock_irq(¤t->sighand->siglock);
put_pid(current->signal->tty_old_pgrp);
current->signal->tty_old_pgrp = NULL;
-
tty = tty_kref_get(current->signal->tty);
+ spin_unlock_irq(¤t->sighand->siglock);
+
if (tty) {
unsigned long flags;
+
+ tty_lock(tty);
spin_lock_irqsave(&tty->ctrl_lock, flags);
put_pid(tty->session);
put_pid(tty->pgrp);
tty->session = NULL;
tty->pgrp = NULL;
spin_unlock_irqrestore(&tty->ctrl_lock, flags);
+ tty_unlock(tty);
tty_kref_put(tty);
}
- spin_unlock_irq(¤t->sighand->siglock);
/* Now clear signal->tty under the lock */
read_lock(&tasklist_lock);
session_clear_tty(task_session(current));
@@ -477,14 +480,19 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t
return -ENOTTY;
if (retval)
return retval;
- if (!current->signal->tty ||
- (current->signal->tty != real_tty) ||
- (real_tty->session != task_session(current)))
- return -ENOTTY;
+
if (get_user(pgrp_nr, p))
return -EFAULT;
if (pgrp_nr < 0)
return -EINVAL;
+
+ spin_lock_irq(&real_tty->ctrl_lock);
+ if (!current->signal->tty ||
+ (current->signal->tty != real_tty) ||
+ (real_tty->session != task_session(current))) {
+ retval = -ENOTTY;
+ goto out_unlock_ctrl;
+ }
rcu_read_lock();
pgrp = find_vpid(pgrp_nr);
retval = -ESRCH;
@@ -494,12 +502,12 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t
if (session_of_pgrp(pgrp) != task_session(current))
goto out_unlock;
retval = 0;
- spin_lock_irq(&tty->ctrl_lock);
put_pid(real_tty->pgrp);
real_tty->pgrp = get_pid(pgrp);
- spin_unlock_irq(&tty->ctrl_lock);
out_unlock:
rcu_read_unlock();
+out_unlock_ctrl:
+ spin_unlock_irq(&real_tty->ctrl_lock);
return retval;
}
@@ -511,20 +519,30 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t
*
* Obtain the session id of the tty. If there is no session
* return an error.
- *
- * Locking: none. Reference to current->signal->tty is safe.
*/
static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p)
{
+ unsigned long flags;
+ pid_t sid;
+
/*
* (tty == real_tty) is a cheap way of
* testing if the tty is NOT a master pty.
*/
if (tty == real_tty && current->signal->tty != real_tty)
return -ENOTTY;
+
+ spin_lock_irqsave(&real_tty->ctrl_lock, flags);
if (!real_tty->session)
- return -ENOTTY;
- return put_user(pid_vnr(real_tty->session), p);
+ goto err;
+ sid = pid_vnr(real_tty->session);
+ spin_unlock_irqrestore(&real_tty->ctrl_lock, flags);
+
+ return put_user(sid, p);
+
+err:
+ spin_unlock_irqrestore(&real_tty->ctrl_lock, flags);
+ return -ENOTTY;
}
/*
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index f8bcfc506f4a..d2cfb8ff9ca8 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1328,7 +1328,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
case FUNCTIONFS_ENDPOINT_DESC:
{
int desc_idx;
- struct usb_endpoint_descriptor *desc;
+ struct usb_endpoint_descriptor desc1, *desc;
switch (epfile->ffs->gadget->speed) {
case USB_SPEED_SUPER:
@@ -1340,10 +1340,12 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
default:
desc_idx = 0;
}
+
desc = epfile->ep->descs[desc_idx];
+ memcpy(&desc1, desc, desc->bLength);
spin_unlock_irq(&epfile->ffs->eps_lock);
- ret = copy_to_user((void __user *)value, desc, desc->bLength);
+ ret = copy_to_user((void __user *)value, &desc1, desc1.bLength);
if (ret)
ret = -EFAULT;
return ret;
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 390bc4b25045..fdaefbe92490 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -80,10 +80,11 @@
#define CH341_LCR_CS5 0x00
static const struct usb_device_id id_table[] = {
- { USB_DEVICE(0x4348, 0x5523) },
+ { USB_DEVICE(0x1a86, 0x5512) },
+ { USB_DEVICE(0x1a86, 0x5523) },
{ USB_DEVICE(0x1a86, 0x7522) },
{ USB_DEVICE(0x1a86, 0x7523) },
- { USB_DEVICE(0x1a86, 0x5523) },
+ { USB_DEVICE(0x4348, 0x5523) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 5ee48b0650c4..5f6b82ebccc5 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -276,12 +276,12 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
priv->cfg.unknown2 = cfg->unknown2;
spin_unlock_irqrestore(&priv->lock, flags);
+ kfree(cfg);
+
/* READ_ON and urb submission */
rc = usb_serial_generic_open(tty, port);
- if (rc) {
- retval = rc;
- goto err_free_cfg;
- }
+ if (rc)
+ return rc;
rc = usb_control_msg(port->serial->dev,
usb_sndctrlpipe(port->serial->dev, 0),
@@ -324,8 +324,6 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
KLSI_TIMEOUT);
err_generic_close:
usb_serial_generic_close(port);
-err_free_cfg:
- kfree(cfg);
return retval;
}
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 741c72bd499a..c2ef23865300 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -419,6 +419,7 @@ static void option_instat_callback(struct urb *urb);
#define CINTERION_PRODUCT_PH8 0x0053
#define CINTERION_PRODUCT_AHXX 0x0055
#define CINTERION_PRODUCT_PLXX 0x0060
+#define CINTERION_PRODUCT_EXS82 0x006c
#define CINTERION_PRODUCT_PH8_2RMNET 0x0082
#define CINTERION_PRODUCT_PH8_AUDIO 0x0083
#define CINTERION_PRODUCT_AHXX_2RMNET 0x0084
@@ -1105,9 +1106,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0xff, 0xff),
.driver_info = NUMEP2 },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0, 0) },
- { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0xff, 0xff),
- .driver_info = NUMEP2 },
- { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0, 0) },
+ { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
+ .driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
@@ -1902,6 +1902,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) },
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff),
.driver_info = RSVD(0) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EXS82, 0xff) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
@@ -2046,12 +2047,13 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
- { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */
+ { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */
.driver_info = RSVD(4) | RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */
.driver_info = RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f5df2a4195c2..ab9eeb5ff8e5 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -975,6 +975,8 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server)
list_del_init(&server->tcp_ses_list);
spin_unlock(&cifs_tcp_ses_lock);
+ cancel_delayed_work_sync(&server->echo);
+
spin_lock(&GlobalMid_Lock);
server->tcpStatus = CifsExiting;
spin_unlock(&GlobalMid_Lock);
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index eafc49de4d7f..6d6de183915b 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -340,8 +340,8 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
return -EAGAIN;
if (signal_pending(current)) {
- cifs_dbg(FYI, "signal is pending before sending any data\n");
- return -EINTR;
+ cifs_dbg(FYI, "signal pending before send request\n");
+ return -ERESTARTSYS;
}
/* cork the socket */
diff --git a/fs/coredump.c b/fs/coredump.c
index 5c0375e7440f..f34767eedf38 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -224,7 +224,8 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm,
*/
if (ispipe) {
if (isspace(*pat_ptr)) {
- was_space = true;
+ if (cn->used != 0)
+ was_space = true;
pat_ptr++;
continue;
} else if (was_space) {
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 5d9d93ca0db7..c056ed5c6df3 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1008,6 +1008,10 @@ static int gfs2_ri_update(struct gfs2_inode *ip)
if (error < 0)
return error;
+ if (RB_EMPTY_ROOT(&sdp->sd_rindex_tree)) {
+ fs_err(sdp, "no resource groups found in the file system.\n");
+ return -ENOENT;
+ }
set_rgrp_preferences(sdp);
sdp->sd_rindex_uptodate = 1;
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index e85f714a623e..824d7a19dd66 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -382,11 +382,19 @@ extern void irq_domain_associate_many(struct irq_domain *domain,
extern void irq_domain_disassociate(struct irq_domain *domain,
unsigned int irq);
-extern unsigned int irq_create_mapping(struct irq_domain *host,
- irq_hw_number_t hwirq);
+extern unsigned int irq_create_mapping_affinity(struct irq_domain *host,
+ irq_hw_number_t hwirq,
+ const struct irq_affinity_desc *affinity);
extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec);
extern void irq_dispose_mapping(unsigned int virq);
+static inline unsigned int irq_create_mapping(struct irq_domain *host,
+ irq_hw_number_t hwirq)
+{
+ return irq_create_mapping_affinity(host, hwirq, NULL);
+}
+
+
/**
* irq_linear_revmap() - Find a linux irq from a hw irq number.
* @domain: domain owning this hardware interrupt
diff --git a/include/linux/tty.h b/include/linux/tty.h
index a99e9b8e4e31..eb33d948788c 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -306,6 +306,10 @@ struct tty_struct {
struct termiox *termiox; /* May be NULL for unsupported */
char name[64];
struct pid *pgrp; /* Protected by ctrl lock */
+ /*
+ * Writes protected by both ctrl lock and legacy mutex, readers must use
+ * at least one of them.
+ */
struct pid *session;
unsigned long flags;
int count;
diff --git a/include/net/netfilter/nf_tables_offload.h b/include/net/netfilter/nf_tables_offload.h
index 03cf5856d76f..d0bb9e3bcec1 100644
--- a/include/net/netfilter/nf_tables_offload.h
+++ b/include/net/netfilter/nf_tables_offload.h
@@ -37,6 +37,7 @@ void nft_offload_update_dependency(struct nft_offload_ctx *ctx,
struct nft_flow_key {
struct flow_dissector_key_basic basic;
+ struct flow_dissector_key_control control;
union {
struct flow_dissector_key_ipv4_addrs ipv4;
struct flow_dissector_key_ipv6_addrs ipv6;
@@ -61,6 +62,9 @@ struct nft_flow_rule {
#define NFT_OFFLOAD_F_ACTION (1 << 0)
+void nft_flow_rule_set_addr_type(struct nft_flow_rule *flow,
+ enum flow_dissector_key_id addr_type);
+
struct nft_rule;
struct nft_flow_rule *nft_flow_rule_create(struct net *net, const struct nft_rule *rule);
void nft_flow_rule_destroy(struct nft_flow_rule *flow);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index c776b8e86fbc..5a60de39457c 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -638,17 +638,19 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain)
EXPORT_SYMBOL_GPL(irq_create_direct_mapping);
/**
- * irq_create_mapping() - Map a hardware interrupt into linux irq space
+ * irq_create_mapping_affinity() - Map a hardware interrupt into linux irq space
* @domain: domain owning this hardware interrupt or NULL for default domain
* @hwirq: hardware irq number in that domain space
+ * @affinity: irq affinity
*
* Only one mapping per hardware interrupt is permitted. Returns a linux
* irq number.
* If the sense/trigger is to be specified, set_irq_type() should be called
* on the number returned from that call.
*/
-unsigned int irq_create_mapping(struct irq_domain *domain,
- irq_hw_number_t hwirq)
+unsigned int irq_create_mapping_affinity(struct irq_domain *domain,
+ irq_hw_number_t hwirq,
+ const struct irq_affinity_desc *affinity)
{
struct device_node *of_node;
int virq;
@@ -674,7 +676,8 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
}
/* Allocate a virtual interrupt number */
- virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node), NULL);
+ virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node),
+ affinity);
if (virq <= 0) {
pr_debug("-> virq allocation failed\n");
return 0;
@@ -690,7 +693,7 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
return virq;
}
-EXPORT_SYMBOL_GPL(irq_create_mapping);
+EXPORT_SYMBOL_GPL(irq_create_mapping_affinity);
/**
* irq_create_strict_mappings() - Map a range of hw irqs to fixed linux irqs
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index fbba31baef53..cbb76ffaf499 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1626,6 +1626,8 @@ static bool test_rec_ops_needs_regs(struct dyn_ftrace *rec)
static struct ftrace_ops *
ftrace_find_tramp_ops_any(struct dyn_ftrace *rec);
static struct ftrace_ops *
+ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude);
+static struct ftrace_ops *
ftrace_find_tramp_ops_next(struct dyn_ftrace *rec, struct ftrace_ops *ops);
static bool __ftrace_hash_rec_update(struct ftrace_ops *ops,
@@ -1763,7 +1765,7 @@ static bool __ftrace_hash_rec_update(struct ftrace_ops *ops,
* to it.
*/
if (ftrace_rec_count(rec) == 1 &&
- ftrace_find_tramp_ops_any(rec))
+ ftrace_find_tramp_ops_any_other(rec, ops))
rec->flags |= FTRACE_FL_TRAMP;
else
rec->flags &= ~FTRACE_FL_TRAMP;
@@ -2191,6 +2193,24 @@ ftrace_find_tramp_ops_any(struct dyn_ftrace *rec)
return NULL;
}
+static struct ftrace_ops *
+ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude)
+{
+ struct ftrace_ops *op;
+ unsigned long ip = rec->ip;
+
+ do_for_each_ftrace_op(op, ftrace_ops_list) {
+
+ if (op == op_exclude || !op->trampoline)
+ continue;
+
+ if (hash_contains_ip(ip, op->func_hash))
+ return op;
+ } while_for_each_ftrace_op(op);
+
+ return NULL;
+}
+
static struct ftrace_ops *
ftrace_find_tramp_ops_next(struct dyn_ftrace *rec,
struct ftrace_ops *op)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f7cac11a9005..67af28f03cf4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -160,7 +160,8 @@ static union trace_eval_map_item *trace_eval_maps;
#endif /* CONFIG_TRACE_EVAL_MAP_FILE */
static int tracing_set_tracer(struct trace_array *tr, const char *buf);
-static void ftrace_trace_userstack(struct ring_buffer *buffer,
+static void ftrace_trace_userstack(struct trace_array *tr,
+ struct ring_buffer *buffer,
unsigned long flags, int pc);
#define MAX_TRACER_SIZE 100
@@ -2621,7 +2622,7 @@ void trace_buffer_unlock_commit_regs(struct trace_array *tr,
* two. They are not that meaningful.
*/
ftrace_trace_stack(tr, buffer, flags, regs ? 0 : STACK_SKIP, pc, regs);
- ftrace_trace_userstack(buffer, flags, pc);
+ ftrace_trace_userstack(tr, buffer, flags, pc);
}
/*
@@ -2936,13 +2937,14 @@ EXPORT_SYMBOL_GPL(trace_dump_stack);
static DEFINE_PER_CPU(int, user_stack_count);
static void
-ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
+ftrace_trace_userstack(struct trace_array *tr,
+ struct ring_buffer *buffer, unsigned long flags, int pc)
{
struct trace_event_call *call = &event_user_stack;
struct ring_buffer_event *event;
struct userstack_entry *entry;
- if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE))
+ if (!(tr->trace_flags & TRACE_ITER_USERSTACKTRACE))
return;
/*
@@ -2981,7 +2983,8 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
preempt_enable();
}
#else /* CONFIG_USER_STACKTRACE_SUPPORT */
-static void ftrace_trace_userstack(struct ring_buffer *buffer,
+static void ftrace_trace_userstack(struct trace_array *tr,
+ struct ring_buffer *buffer,
unsigned long flags, int pc)
{
}
diff --git a/lib/syscall.c b/lib/syscall.c
index fb328e7ccb08..71ffcf5aff12 100644
--- a/lib/syscall.c
+++ b/lib/syscall.c
@@ -7,6 +7,7 @@
static int collect_syscall(struct task_struct *target, struct syscall_info *info)
{
+ unsigned long args[6] = { };
struct pt_regs *regs;
if (!try_get_task_stack(target)) {
@@ -27,8 +28,14 @@ static int collect_syscall(struct task_struct *target, struct syscall_info *info
info->data.nr = syscall_get_nr(target, regs);
if (info->data.nr != -1L)
- syscall_get_arguments(target, regs,
- (unsigned long *)&info->data.args[0]);
+ syscall_get_arguments(target, regs, args);
+
+ info->data.args[0] = args[0];
+ info->data.args[1] = args[1];
+ info->data.args[2] = args[2];
+ info->data.args[3] = args[3];
+ info->data.args[4] = args[4];
+ info->data.args[5] = args[5];
put_task_stack(target);
return 0;
diff --git a/mm/list_lru.c b/mm/list_lru.c
index 0f1f6b06b7f3..d12c1943f6f3 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -544,7 +544,6 @@ static void memcg_drain_list_lru_node(struct list_lru *lru, int nid,
struct list_lru_node *nlru = &lru->node[nid];
int dst_idx = dst_memcg->kmemcg_id;
struct list_lru_one *src, *dst;
- bool set;
/*
* Since list_lru_{add,del} may be called under an IRQ-safe lock,
@@ -556,11 +555,12 @@ static void memcg_drain_list_lru_node(struct list_lru *lru, int nid,
dst = list_lru_from_memcg_idx(nlru, dst_idx);
list_splice_init(&src->list, &dst->list);
- set = (!dst->nr_items && src->nr_items);
- dst->nr_items += src->nr_items;
- if (set)
+
+ if (src->nr_items) {
+ dst->nr_items += src->nr_items;
memcg_set_shrinker_bit(dst_memcg, nid, lru_shrinker_id(lru));
- src->nr_items = 0;
+ src->nr_items = 0;
+ }
spin_unlock_irq(&nlru->lock);
}
diff --git a/mm/swapfile.c b/mm/swapfile.c
index ff83ffe7a910..7947633d3ced 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2824,6 +2824,7 @@ late_initcall(max_swapfiles_check);
static struct swap_info_struct *alloc_swap_info(void)
{
struct swap_info_struct *p;
+ struct swap_info_struct *defer = NULL;
unsigned int type;
int i;
@@ -2852,7 +2853,7 @@ static struct swap_info_struct *alloc_swap_info(void)
smp_wmb();
WRITE_ONCE(nr_swapfiles, nr_swapfiles + 1);
} else {
- kvfree(p);
+ defer = p;
p = swap_info[type];
/*
* Do not memset this entry: a racing procfs swap_next()
@@ -2865,6 +2866,7 @@ static struct swap_info_struct *alloc_swap_info(void)
plist_node_init(&p->avail_lists[i], 0);
p->flags = SWP_USED;
spin_unlock(&swap_lock);
+ kvfree(defer);
spin_lock_init(&p->lock);
spin_lock_init(&p->cont_lock);
diff --git a/net/can/af_can.c b/net/can/af_can.c
index fd6ef6d26846..306d3584a441 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -539,10 +539,13 @@ void can_rx_unregister(struct net *net, struct net_device *dev, canid_t can_id,
/* Check for bugs in CAN protocol implementations using af_can.c:
* 'rcv' will be NULL if no matching list item was found for removal.
+ * As this case may potentially happen when closing a socket while
+ * the notifier for removing the CAN netdev is running we just print
+ * a warning here.
*/
if (!rcv) {
- WARN(1, "BUG: receive list entry not found for dev %s, id %03X, mask %03X\n",
- DNAME(dev), can_id, mask);
+ pr_warn("can: receive list entry not found for dev %s, id %03X, mask %03X\n",
+ DNAME(dev), can_id, mask);
goto out;
}
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 3cc4daa856d6..16ae770f049d 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -285,8 +285,7 @@ flag_nested(const struct nlattr *nla)
static const struct nla_policy ipaddr_policy[IPSET_ATTR_IPADDR_MAX + 1] = {
[IPSET_ATTR_IPADDR_IPV4] = { .type = NLA_U32 },
- [IPSET_ATTR_IPADDR_IPV6] = { .type = NLA_BINARY,
- .len = sizeof(struct in6_addr) },
+ [IPSET_ATTR_IPADDR_IPV6] = NLA_POLICY_EXACT_LEN(sizeof(struct in6_addr)),
};
int
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 51391d5d2265..459b7c054711 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -560,7 +560,8 @@ static int nft_request_module(struct net *net, const char *fmt, ...)
static void lockdep_nfnl_nft_mutex_not_held(void)
{
#ifdef CONFIG_PROVE_LOCKING
- WARN_ON_ONCE(lockdep_nfnl_is_held(NFNL_SUBSYS_NFTABLES));
+ if (debug_locks)
+ WARN_ON_ONCE(lockdep_nfnl_is_held(NFNL_SUBSYS_NFTABLES));
#endif
}
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index c480549a7f94..3aa4306ca39f 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -28,6 +28,23 @@ static struct nft_flow_rule *nft_flow_rule_alloc(int num_actions)
return flow;
}
+void nft_flow_rule_set_addr_type(struct nft_flow_rule *flow,
+ enum flow_dissector_key_id addr_type)
+{
+ struct nft_flow_match *match = &flow->match;
+ struct nft_flow_key *mask = &match->mask;
+ struct nft_flow_key *key = &match->key;
+
+ if (match->dissector.used_keys & BIT(FLOW_DISSECTOR_KEY_CONTROL))
+ return;
+
+ key->control.addr_type = addr_type;
+ mask->control.addr_type = 0xffff;
+ match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_CONTROL);
+ match->dissector.offset[FLOW_DISSECTOR_KEY_CONTROL] =
+ offsetof(struct nft_flow_key, control);
+}
+
struct nft_flow_rule *nft_flow_rule_create(struct net *net,
const struct nft_rule *rule)
{
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index 62dc728bf93c..921f8f45b17f 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -197,6 +197,7 @@ static int nft_payload_offload_ip(struct nft_offload_ctx *ctx,
NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4, src,
sizeof(struct in_addr), reg);
+ nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV4_ADDRS);
break;
case offsetof(struct iphdr, daddr):
if (priv->len != sizeof(struct in_addr))
@@ -204,6 +205,7 @@ static int nft_payload_offload_ip(struct nft_offload_ctx *ctx,
NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4, dst,
sizeof(struct in_addr), reg);
+ nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV4_ADDRS);
break;
case offsetof(struct iphdr, protocol):
if (priv->len != sizeof(__u8))
@@ -233,6 +235,7 @@ static int nft_payload_offload_ip6(struct nft_offload_ctx *ctx,
NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6, src,
sizeof(struct in6_addr), reg);
+ nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV6_ADDRS);
break;
case offsetof(struct ipv6hdr, daddr):
if (priv->len != sizeof(struct in6_addr))
@@ -240,6 +243,7 @@ static int nft_payload_offload_ip6(struct nft_offload_ctx *ctx,
NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6, dst,
sizeof(struct in6_addr), reg);
+ nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV6_ADDRS);
break;
case offsetof(struct ipv6hdr, nexthdr):
if (priv->len != sizeof(__u8))
diff --git a/net/tipc/core.c b/net/tipc/core.c
index 2374adb50558..e3d79f8b69d8 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -59,6 +59,7 @@ static int __net_init tipc_init_net(struct net *net)
tn->trial_addr = 0;
tn->addr_trial_end = 0;
tn->capabilities = TIPC_NODE_CAPABILITIES;
+ INIT_WORK(&tn->final_work.work, tipc_net_finalize_work);
memset(tn->node_id, 0, sizeof(tn->node_id));
memset(tn->node_id_string, 0, sizeof(tn->node_id_string));
tn->mon_threshold = TIPC_DEF_MON_THRESHOLD;
@@ -96,13 +97,13 @@ static int __net_init tipc_init_net(struct net *net)
static void __net_exit tipc_exit_net(struct net *net)
{
+ struct tipc_net *tn = tipc_net(net);
+
tipc_detach_loopback(net);
+ /* Make sure the tipc_net_finalize_work() finished */
+ cancel_work_sync(&tn->final_work.work);
tipc_net_stop(net);
- /* Make sure the tipc_net_finalize_work stopped
- * before releasing the resources.
- */
- flush_scheduled_work();
tipc_bcast_stop(net);
tipc_nametbl_stop(net);
tipc_sk_rht_destroy(net);
diff --git a/net/tipc/core.h b/net/tipc/core.h
index 3042f654e0af..e119c4a88d63 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -86,6 +86,12 @@ extern unsigned int tipc_net_id __read_mostly;
extern int sysctl_tipc_rmem[3] __read_mostly;
extern int sysctl_tipc_named_timeout __read_mostly;
+struct tipc_net_work {
+ struct work_struct work;
+ struct net *net;
+ u32 addr;
+};
+
struct tipc_net {
u8 node_id[NODE_ID_LEN];
u32 node_addr;
@@ -134,6 +140,9 @@ struct tipc_net {
/* Tracing of node internal messages */
struct packet_type loopback_pt;
+
+ /* Work item for net finalize */
+ struct tipc_net_work final_work;
};
static inline struct tipc_net *tipc_net(struct net *net)
diff --git a/net/tipc/net.c b/net/tipc/net.c
index 2de3cec9929d..2498ce8b83c1 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -105,12 +105,6 @@
* - A local spin_lock protecting the queue of subscriber events.
*/
-struct tipc_net_work {
- struct work_struct work;
- struct net *net;
- u32 addr;
-};
-
static void tipc_net_finalize(struct net *net, u32 addr);
int tipc_net_init(struct net *net, u8 *node_id, u32 addr)
@@ -142,25 +136,21 @@ static void tipc_net_finalize(struct net *net, u32 addr)
TIPC_CLUSTER_SCOPE, 0, addr);
}
-static void tipc_net_finalize_work(struct work_struct *work)
+void tipc_net_finalize_work(struct work_struct *work)
{
struct tipc_net_work *fwork;
fwork = container_of(work, struct tipc_net_work, work);
tipc_net_finalize(fwork->net, fwork->addr);
- kfree(fwork);
}
void tipc_sched_net_finalize(struct net *net, u32 addr)
{
- struct tipc_net_work *fwork = kzalloc(sizeof(*fwork), GFP_ATOMIC);
+ struct tipc_net *tn = tipc_net(net);
- if (!fwork)
- return;
- INIT_WORK(&fwork->work, tipc_net_finalize_work);
- fwork->net = net;
- fwork->addr = addr;
- schedule_work(&fwork->work);
+ tn->final_work.net = net;
+ tn->final_work.addr = addr;
+ schedule_work(&tn->final_work.work);
}
void tipc_net_stop(struct net *net)
diff --git a/net/tipc/net.h b/net/tipc/net.h
index b7f2e364eb99..a6a4dba13673 100644
--- a/net/tipc/net.h
+++ b/net/tipc/net.h
@@ -42,6 +42,7 @@
extern const struct nla_policy tipc_nl_net_policy[];
int tipc_net_init(struct net *net, u8 *node_id, u32 addr);
+void tipc_net_finalize_work(struct work_struct *work);
void tipc_sched_net_finalize(struct net *net, u32 addr);
void tipc_net_stop(struct net *net);
int tipc_nl_net_dump(struct sk_buff *skb, struct netlink_callback *cb);
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index e1750bdbe51f..3caea6d58c9a 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -1364,16 +1364,20 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
struct nid_path *path;
hda_nid_t pin = pins[i];
- path = snd_hda_get_path_from_idx(codec, path_idx[i]);
- if (path) {
- badness += assign_out_path_ctls(codec, path);
- continue;
+ if (!spec->obey_preferred_dacs) {
+ path = snd_hda_get_path_from_idx(codec, path_idx[i]);
+ if (path) {
+ badness += assign_out_path_ctls(codec, path);
+ continue;
+ }
}
dacs[i] = get_preferred_dac(codec, pin);
if (dacs[i]) {
if (is_dac_already_used(codec, dacs[i]))
badness += bad->shared_primary;
+ } else if (spec->obey_preferred_dacs) {
+ badness += BAD_NO_PRIMARY_DAC;
}
if (!dacs[i])
diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index fb9f1a90238b..e728df6145ad 100644
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -236,6 +236,7 @@ struct hda_gen_spec {
unsigned int power_down_unused:1; /* power down unused widgets */
unsigned int dac_min_mute:1; /* minimal = mute for DACs */
unsigned int suppress_vmaster:1; /* don't create vmaster kctls */
+ unsigned int obey_preferred_dacs:1; /* obey preferred_dacs assignment */
/* other internal flags */
unsigned int no_analog:1; /* digital I/O only */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bd802cbc1165..c804c15debc6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -436,6 +436,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
alc_update_coef_idx(codec, 0x7, 1<<5, 0);
break;
case 0x10ec0892:
+ case 0x10ec0897:
alc_update_coef_idx(codec, 0x7, 1<<5, 0);
break;
case 0x10ec0899:
@@ -5990,6 +5991,21 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec,
codec->power_save_node = 0;
}
+/* avoid DAC 0x06 for bass speaker 0x17; it has no volume control */
+static void alc289_fixup_asus_ga401(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ static const hda_nid_t preferred_pairs[] = {
+ 0x14, 0x02, 0x17, 0x02, 0x21, 0x03, 0
+ };
+ struct alc_spec *spec = codec->spec;
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ spec->gen.preferred_dacs = preferred_pairs;
+ spec->gen.obey_preferred_dacs = 1;
+ }
+}
+
/* The DAC of NID 0x3 will introduce click/pop noise on headphones, so invalidate it */
static void alc285_fixup_invalidate_dacs(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
@@ -7543,11 +7559,10 @@ static const struct hda_fixup alc269_fixups[] = {
.chain_id = ALC269_FIXUP_HEADSET_MIC
},
[ALC289_FIXUP_ASUS_GA401] = {
- .type = HDA_FIXUP_PINS,
- .v.pins = (const struct hda_pintbl[]) {
- { 0x19, 0x03a11020 }, /* headset mic with jack detect */
- { }
- },
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc289_fixup_asus_ga401,
+ .chained = true,
+ .chain_id = ALC289_FIXUP_ASUS_GA502,
},
[ALC289_FIXUP_ASUS_GA502] = {
.type = HDA_FIXUP_PINS,
@@ -7671,7 +7686,7 @@ static const struct hda_fixup alc269_fixups[] = {
{ }
},
.chained = true,
- .chain_id = ALC289_FIXUP_ASUS_GA401
+ .chain_id = ALC289_FIXUP_ASUS_GA502
},
[ALC274_FIXUP_HP_MIC] = {
.type = HDA_FIXUP_VERBS,
@@ -7847,6 +7862,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x820d, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
SND_PCI_QUIRK(0x103c, 0x8256, "HP", ALC221_FIXUP_HP_FRONT_MIC),
SND_PCI_QUIRK(0x103c, 0x827e, "HP x360", ALC295_FIXUP_HP_X360),
+ SND_PCI_QUIRK(0x103c, 0x827f, "HP x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
SND_PCI_QUIRK(0x103c, 0x82bf, "HP G3 mini", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x82c0, "HP G3 mini premium", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
@@ -8573,6 +8589,9 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC292_STANDARD_PINS,
{0x13, 0x90a60140}),
+ SND_HDA_PIN_QUIRK(0x10ec0294, 0x1043, "ASUS", ALC294_FIXUP_ASUS_HPE,
+ {0x17, 0x90170110},
+ {0x21, 0x04211020}),
SND_HDA_PIN_QUIRK(0x10ec0294, 0x1043, "ASUS", ALC294_FIXUP_ASUS_MIC,
{0x14, 0x90170110},
{0x1b, 0x90a70130},
@@ -10156,6 +10175,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0888, "ALC888", patch_alc882),
HDA_CODEC_ENTRY(0x10ec0889, "ALC889", patch_alc882),
HDA_CODEC_ENTRY(0x10ec0892, "ALC892", patch_alc662),
+ HDA_CODEC_ENTRY(0x10ec0897, "ALC897", patch_alc662),
HDA_CODEC_ENTRY(0x10ec0899, "ALC898", patch_alc882),
HDA_CODEC_ENTRY(0x10ec0900, "ALC1150", patch_alc882),
HDA_CODEC_ENTRY(0x10ec0b00, "ALCS1200A", patch_alc882),
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 9b8bb7bbe945..4c56b782500d 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1912,6 +1912,7 @@ static int wm_adsp_load(struct wm_adsp *dsp)
mem = wm_adsp_find_region(dsp, type);
if (!mem) {
adsp_err(dsp, "No region of type: %x\n", type);
+ ret = -EINVAL;
goto out_fw;
}
diff --git a/tools/arch/x86/include/asm/insn.h b/tools/arch/x86/include/asm/insn.h
index 37a4c390750b..d7f0ae8f3c44 100644
--- a/tools/arch/x86/include/asm/insn.h
+++ b/tools/arch/x86/include/asm/insn.h
@@ -195,6 +195,21 @@ static inline int insn_offset_immediate(struct insn *insn)
return insn_offset_displacement(insn) + insn->displacement.nbytes;
}
+/**
+ * for_each_insn_prefix() -- Iterate prefixes in the instruction
+ * @insn: Pointer to struct insn.
+ * @idx: Index storage.
+ * @prefix: Prefix byte.
+ *
+ * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix
+ * and the index is stored in @idx (note that this @idx is just for a cursor,
+ * do not change it.)
+ * Since prefixes.nbytes can be bigger than 4 if some prefixes
+ * are repeated, it cannot be used for looping over the prefixes.
+ */
+#define for_each_insn_prefix(insn, idx, prefix) \
+ for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++)
+
#define POP_SS_OPCODE 0x1f
#define MOV_SREG_OPCODE 0x8e
diff --git a/tools/testing/selftests/bpf/prog_tests/map_init.c b/tools/testing/selftests/bpf/prog_tests/map_init.c
deleted file mode 100644
index 14a31109dd0e..000000000000
--- a/tools/testing/selftests/bpf/prog_tests/map_init.c
+++ /dev/null
@@ -1,214 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2020 Tessares SA <http://www.tessares.net> */
-
-#include <test_progs.h>
-#include "test_map_init.skel.h"
-
-#define TEST_VALUE 0x1234
-#define FILL_VALUE 0xdeadbeef
-
-static int nr_cpus;
-static int duration;
-
-typedef unsigned long long map_key_t;
-typedef unsigned long long map_value_t;
-typedef struct {
- map_value_t v; /* padding */
-} __bpf_percpu_val_align pcpu_map_value_t;
-
-
-static int map_populate(int map_fd, int num)
-{
- pcpu_map_value_t value[nr_cpus];
- int i, err;
- map_key_t key;
-
- for (i = 0; i < nr_cpus; i++)
- bpf_percpu(value, i) = FILL_VALUE;
-
- for (key = 1; key <= num; key++) {
- err = bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST);
- if (!ASSERT_OK(err, "bpf_map_update_elem"))
- return -1;
- }
-
- return 0;
-}
-
-static struct test_map_init *setup(enum bpf_map_type map_type, int map_sz,
- int *map_fd, int populate)
-{
- struct test_map_init *skel;
- int err;
-
- skel = test_map_init__open();
- if (!ASSERT_OK_PTR(skel, "skel_open"))
- return NULL;
-
- err = bpf_map__set_type(skel->maps.hashmap1, map_type);
- if (!ASSERT_OK(err, "bpf_map__set_type"))
- goto error;
-
- err = bpf_map__set_max_entries(skel->maps.hashmap1, map_sz);
- if (!ASSERT_OK(err, "bpf_map__set_max_entries"))
- goto error;
-
- err = test_map_init__load(skel);
- if (!ASSERT_OK(err, "skel_load"))
- goto error;
-
- *map_fd = bpf_map__fd(skel->maps.hashmap1);
- if (CHECK(*map_fd < 0, "bpf_map__fd", "failed\n"))
- goto error;
-
- err = map_populate(*map_fd, populate);
- if (!ASSERT_OK(err, "map_populate"))
- goto error_map;
-
- return skel;
-
-error_map:
- close(*map_fd);
-error:
- test_map_init__destroy(skel);
- return NULL;
-}
-
-/* executes bpf program that updates map with key, value */
-static int prog_run_insert_elem(struct test_map_init *skel, map_key_t key,
- map_value_t value)
-{
- struct test_map_init__bss *bss;
-
- bss = skel->bss;
-
- bss->inKey = key;
- bss->inValue = value;
- bss->inPid = getpid();
-
- if (!ASSERT_OK(test_map_init__attach(skel), "skel_attach"))
- return -1;
-
- /* Let tracepoint trigger */
- syscall(__NR_getpgid);
-
- test_map_init__detach(skel);
-
- return 0;
-}
-
-static int check_values_one_cpu(pcpu_map_value_t *value, map_value_t expected)
-{
- int i, nzCnt = 0;
- map_value_t val;
-
- for (i = 0; i < nr_cpus; i++) {
- val = bpf_percpu(value, i);
- if (val) {
- if (CHECK(val != expected, "map value",
- "unexpected for cpu %d: 0x%llx\n", i, val))
- return -1;
- nzCnt++;
- }
- }
-
- if (CHECK(nzCnt != 1, "map value", "set for %d CPUs instead of 1!\n",
- nzCnt))
- return -1;
-
- return 0;
-}
-
-/* Add key=1 elem with values set for all CPUs
- * Delete elem key=1
- * Run bpf prog that inserts new key=1 elem with value=0x1234
- * (bpf prog can only set value for current CPU)
- * Lookup Key=1 and check value is as expected for all CPUs:
- * value set by bpf prog for one CPU, 0 for all others
- */
-static void test_pcpu_map_init(void)
-{
- pcpu_map_value_t value[nr_cpus];
- struct test_map_init *skel;
- int map_fd, err;
- map_key_t key;
-
- /* max 1 elem in map so insertion is forced to reuse freed entry */
- skel = setup(BPF_MAP_TYPE_PERCPU_HASH, 1, &map_fd, 1);
- if (!ASSERT_OK_PTR(skel, "prog_setup"))
- return;
-
- /* delete element so the entry can be re-used*/
- key = 1;
- err = bpf_map_delete_elem(map_fd, &key);
- if (!ASSERT_OK(err, "bpf_map_delete_elem"))
- goto cleanup;
-
- /* run bpf prog that inserts new elem, re-using the slot just freed */
- err = prog_run_insert_elem(skel, key, TEST_VALUE);
- if (!ASSERT_OK(err, "prog_run_insert_elem"))
- goto cleanup;
-
- /* check that key=1 was re-created by bpf prog */
- err = bpf_map_lookup_elem(map_fd, &key, value);
- if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
- goto cleanup;
-
- /* and has expected values */
- check_values_one_cpu(value, TEST_VALUE);
-
-cleanup:
- test_map_init__destroy(skel);
-}
-
-/* Add key=1 and key=2 elems with values set for all CPUs
- * Run bpf prog that inserts new key=3 elem
- * (only for current cpu; other cpus should have initial value = 0)
- * Lookup Key=1 and check value is as expected for all CPUs
- */
-static void test_pcpu_lru_map_init(void)
-{
- pcpu_map_value_t value[nr_cpus];
- struct test_map_init *skel;
- int map_fd, err;
- map_key_t key;
-
- /* Set up LRU map with 2 elements, values filled for all CPUs.
- * With these 2 elements, the LRU map is full
- */
- skel = setup(BPF_MAP_TYPE_LRU_PERCPU_HASH, 2, &map_fd, 2);
- if (!ASSERT_OK_PTR(skel, "prog_setup"))
- return;
-
- /* run bpf prog that inserts new key=3 element, re-using LRU slot */
- key = 3;
- err = prog_run_insert_elem(skel, key, TEST_VALUE);
- if (!ASSERT_OK(err, "prog_run_insert_elem"))
- goto cleanup;
-
- /* check that key=3 replaced one of earlier elements */
- err = bpf_map_lookup_elem(map_fd, &key, value);
- if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
- goto cleanup;
-
- /* and has expected values */
- check_values_one_cpu(value, TEST_VALUE);
-
-cleanup:
- test_map_init__destroy(skel);
-}
-
-void test_map_init(void)
-{
- nr_cpus = bpf_num_possible_cpus();
- if (nr_cpus <= 1) {
- printf("%s:SKIP: >1 cpu needed for this test\n", __func__);
- test__skip();
- return;
- }
-
- if (test__start_subtest("pcpu_map_init"))
- test_pcpu_map_init();
- if (test__start_subtest("pcpu_lru_map_init"))
- test_pcpu_lru_map_init();
-}
diff --git a/tools/testing/selftests/bpf/progs/test_map_init.c b/tools/testing/selftests/bpf/progs/test_map_init.c
deleted file mode 100644
index c89d28ead673..000000000000
--- a/tools/testing/selftests/bpf/progs/test_map_init.c
+++ /dev/null
@@ -1,33 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) 2020 Tessares SA <http://www.tessares.net> */
-
-#include "vmlinux.h"
-#include <bpf/bpf_helpers.h>
-
-__u64 inKey = 0;
-__u64 inValue = 0;
-__u32 inPid = 0;
-
-struct {
- __uint(type, BPF_MAP_TYPE_PERCPU_HASH);
- __uint(max_entries, 2);
- __type(key, __u64);
- __type(value, __u64);
-} hashmap1 SEC(".maps");
-
-
-SEC("tp/syscalls/sys_enter_getpgid")
-int sysenter_getpgid(const void *ctx)
-{
- /* Just do it for once, when called from our own test prog. This
- * ensures the map value is only updated for a single CPU.
- */
- int cur_pid = bpf_get_current_pid_tgid() >> 32;
-
- if (cur_pid == inPid)
- bpf_map_update_elem(&hashmap1, &inKey, &inValue, BPF_NOEXIST);
-
- return 0;
-}
-
-char _license[] SEC("license") = "GPL";
