diff --git a/Makefile b/Makefile index e14ad8f064ec..f011cb69545f 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 159 +SUBLEVEL = 160 EXTRAVERSION = NAME = Petit Gorille

diff --git a/arch/arm/boot/dts/s3c6410-mini6410.dts b/arch/arm/boot/dts/s3c6410-mini6410.dts index f4afda3594f8..de04d8764b0f 100644 --- a/arch/arm/boot/dts/s3c6410-mini6410.dts +++ b/arch/arm/boot/dts/s3c6410-mini6410.dts @@ -167,6 +167,10 @@ }; };

+&clocks { + clocks = <&fin_pll>; +}; + &sdhci0 { pinctrl-names = "default"; pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>; diff --git a/arch/arm/boot/dts/s3c6410-smdk6410.dts b/arch/arm/boot/dts/s3c6410-smdk6410.dts index ecf35ec466f7..7ade1a0686d2 100644 --- a/arch/arm/boot/dts/s3c6410-smdk6410.dts +++ b/arch/arm/boot/dts/s3c6410-smdk6410.dts @@ -71,6 +71,10 @@ }; };

+&clocks { + clocks = <&fin_pll>; +}; + &sdhci0 { pinctrl-names = "default"; pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>; diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 805f306fa6f7..e31f167a8199 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -56,16 +56,16 @@ ENTRY(tegra_resume) cmp r6, #TEGRA20 beq 1f @ Yes /* Clear the flow controller flags for this CPU. */ - cpu_to_csr_reg r1, r0 + cpu_to_csr_reg r3, r0 mov32 r2, TEGRA_FLOW_CTRL_BASE - ldr r1, [r2, r1] + ldr r1, [r2, r3] /* Clear event & intr flag */ orr r1, r1, \ #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG movw r0, #0x3FFD @ enable, cluster_switch, immed, bitmaps @ & ext flags for CPU power mgnt bic r1, r1, r0 - str r1, [r2] + str r1, [r2, r3] 1:

mov32 r9, 0xc09 diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index 35c822286bbe..3ce5ccdb054d 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -218,6 +218,8 @@ static int check_tlb_entry(unsigned w, unsigned e, bool dtlb) unsigned tlbidx = w | (e << PAGE_SHIFT); unsigned r0 = dtlb ? read_dtlb_virtual(tlbidx) : read_itlb_virtual(tlbidx); + unsigned r1 = dtlb ? + read_dtlb_translation(tlbidx) : read_itlb_translation(tlbidx); unsigned vpn = (r0 & PAGE_MASK) | (e << PAGE_SHIFT); unsigned pte = get_pte_for_vaddr(vpn); unsigned mm_asid = (get_rasid_register() >> 8) & ASID_MASK; @@ -233,8 +235,6 @@ static int check_tlb_entry(unsigned w, unsigned e, bool dtlb) }

if (tlb_asid == mm_asid) { - unsigned r1 = dtlb ? read_dtlb_translation(tlbidx) : - read_itlb_translation(tlbidx); if ((pte ^ r1) & PAGE_MASK) { pr_err("%cTLB: way: %u, entry: %u, mapping: %08x->%08x, PTE: %08x\n", dtlb ? 'D' : 'I', w, e, r0, r1, pte); diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 03830634e141..bf65e634590b 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -230,7 +230,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a, a_fences = get_fences(a, &a_num_fences); b_fences = get_fences(b, &b_num_fences); if (a_num_fences > INT_MAX - b_num_fences) - return NULL; + goto err;

num_fences = a_num_fences + b_num_fences;

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index c31e660e35db..a4929372090d 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1820,8 +1820,8 @@ static int r100_packet0_check(struct radeon_cs_parser *p, track->textures[i].use_pitch = 1; } else { track->textures[i].use_pitch = 0; - track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK); - track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK); + track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT); + track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT); } if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE) track->textures[i].tex_coord_type = 2; diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c index c22321cc5a41..c2b506c707a2 100644 --- a/drivers/gpu/drm/radeon/r200.c +++ b/drivers/gpu/drm/radeon/r200.c @@ -476,8 +476,8 @@ int r200_packet0_check(struct radeon_cs_parser *p, track->textures[i].use_pitch = 1; } else { track->textures[i].use_pitch = 0; - track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK); - track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK); + track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT); + track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT); } if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE) track->textures[i].lookup_disable = true; diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index 21ea537bd55e..eff04fa23dfa 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -203,7 +203,13 @@ static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent, struct btree_node *right = r->n; uint32_t nr_left = le32_to_cpu(left->header.nr_entries); uint32_t nr_right = le32_to_cpu(right->header.nr_entries); - unsigned threshold = 2 * merge_threshold(left) + 1; + /* + * Ensure the number of entries in each child will be greater + * than or equal to (max_entries / 3 + 1), so no matter which + * child is used for removal, the number will still be not + * less than (max_entries / 3). + */ + unsigned int threshold = 2 * (merge_threshold(left) + 1);

if (nr_left + nr_right < threshold) { /* diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 5e5c4d7796b8..586e35593310 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -915,7 +915,7 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid) phy_interface_mode(lmac->lmac_type))) return -ENODEV;

- phy_start_aneg(lmac->phydev); + phy_start(lmac->phydev); return 0; }

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index d824bf942a8f..efc4a1a8343a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -367,7 +367,7 @@ struct dma_features { struct stmmac_desc_ops { /* DMA RX descriptor ring initialization */ void (*init_rx_desc) (struct dma_desc *p, int disable_rx_ic, int mode, - int end); + int end, int bfsize); /* DMA TX descriptor ring initialization */ void (*init_tx_desc) (struct dma_desc *p, int mode, int end);

diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/drivers/net/ethernet/stmicro/stmmac/descs_com.h index 40d6356a7e73..3dfb07a78952 100644 --- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h +++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h @@ -29,11 +29,13 @@ /* Specific functions used for Ring mode */

/* Enhanced descriptors */ -static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end) +static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end, + int bfsize) { - p->des1 |= cpu_to_le32((BUF_SIZE_8KiB - << ERDES1_BUFFER2_SIZE_SHIFT) - & ERDES1_BUFFER2_SIZE_MASK); + if (bfsize == BUF_SIZE_16KiB) + p->des1 |= cpu_to_le32((BUF_SIZE_8KiB + << ERDES1_BUFFER2_SIZE_SHIFT) + & ERDES1_BUFFER2_SIZE_MASK);

if (end) p->des1 |= cpu_to_le32(ERDES1_END_RING); @@ -59,11 +61,15 @@ static inline void enh_set_tx_desc_len_on_ring(struct dma_desc *p, int len) }

/* Normal descriptors */ -static inline void ndesc_rx_set_on_ring(struct dma_desc *p, int end) +static inline void ndesc_rx_set_on_ring(struct dma_desc *p, int end, int bfsize) { - p->des1 |= cpu_to_le32(((BUF_SIZE_2KiB - 1) - << RDES1_BUFFER2_SIZE_SHIFT) - & RDES1_BUFFER2_SIZE_MASK); + if (bfsize >= BUF_SIZE_2KiB) { + int bfsize2; + + bfsize2 = min(bfsize - BUF_SIZE_2KiB + 1, BUF_SIZE_2KiB - 1); + p->des1 |= cpu_to_le32((bfsize2 << RDES1_BUFFER2_SIZE_SHIFT) + & RDES1_BUFFER2_SIZE_MASK); + }

if (end) p->des1 |= cpu_to_le32(RDES1_END_RING); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 37b77e7da132..2896ec100c75 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -293,7 +293,7 @@ static int dwmac4_wrback_get_rx_timestamp_status(void *desc, void *next_desc, }

static void dwmac4_rd_init_rx_desc(struct dma_desc *p, int disable_rx_ic, - int mode, int end) + int mode, int end, int bfsize) { p->des3 = cpu_to_le32(RDES3_OWN | RDES3_BUFFER1_VALID_ADDR);

diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index f2150efddc88..dfa6599ca1a7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -265,15 +265,19 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, }

static void enh_desc_init_rx_desc(struct dma_desc *p, int disable_rx_ic, - int mode, int end) + int mode, int end, int bfsize) { + int bfsize1; + p->des0 |= cpu_to_le32(RDES0_OWN); - p->des1 |= cpu_to_le32(BUF_SIZE_8KiB & ERDES1_BUFFER1_SIZE_MASK); + + bfsize1 = min(bfsize, BUF_SIZE_8KiB); + p->des1 |= cpu_to_le32(bfsize1 & ERDES1_BUFFER1_SIZE_MASK);

if (mode == STMMAC_CHAIN_MODE) ehn_desc_rx_set_on_chain(p); else - ehn_desc_rx_set_on_ring(p, end); + ehn_desc_rx_set_on_ring(p, end, bfsize);

if (disable_rx_ic) p->des1 |= cpu_to_le32(ERDES1_DISABLE_IC); diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index 66c17bab5997..44a4666290da 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -133,15 +133,19 @@ static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x, }

static void ndesc_init_rx_desc(struct dma_desc *p, int disable_rx_ic, int mode, - int end) + int end, int bfsize) { + int bfsize1; + p->des0 |= cpu_to_le32(RDES0_OWN); - p->des1 |= cpu_to_le32((BUF_SIZE_2KiB - 1) & RDES1_BUFFER1_SIZE_MASK); + + bfsize1 = min(bfsize, BUF_SIZE_2KiB - 1); + p->des1 |= cpu_to_le32(bfsize1 & RDES1_BUFFER1_SIZE_MASK);

if (mode == STMMAC_CHAIN_MODE) ndesc_rx_set_on_chain(p, end); else - ndesc_rx_set_on_ring(p, end); + ndesc_rx_set_on_ring(p, end, bfsize);

if (disable_rx_ic) p->des1 |= cpu_to_le32(RDES1_DISABLE_IC); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 612773b94ae3..e6d16c48ffef 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1072,11 +1072,13 @@ static void stmmac_clear_rx_descriptors(struct stmmac_priv *priv, u32 queue) if (priv->extend_desc) priv->hw->desc->init_rx_desc(&rx_q->dma_erx[i].basic, priv->use_riwt, priv->mode, - (i == DMA_RX_SIZE - 1)); + (i == DMA_RX_SIZE - 1), + priv->dma_buf_sz); else priv->hw->desc->init_rx_desc(&rx_q->dma_rx[i], priv->use_riwt, priv->mode, - (i == DMA_RX_SIZE - 1)); + (i == DMA_RX_SIZE - 1), + priv->dma_buf_sz); }

/** @@ -3299,7 +3301,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) dma_wmb();

if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00)) - priv->hw->desc->init_rx_desc(p, priv->use_riwt, 0, 0); + priv->hw->desc->init_rx_desc(p, priv->use_riwt, 0, 0, priv->dma_buf_sz); else priv->hw->desc->set_rx_owner(p);

@@ -3321,9 +3323,8 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) { struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; - unsigned int entry = rx_q->cur_rx; int coe = priv->hw->rx_csum; - unsigned int next_entry; + unsigned int next_entry = rx_q->cur_rx; unsigned int count = 0;

if (netif_msg_rx_status(priv)) { @@ -3338,10 +3339,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) priv->hw->desc->display_ring(rx_head, DMA_RX_SIZE, true); } while (count < limit) { - int status; + int entry, status; struct dma_desc *p; struct dma_desc *np;

+ entry = next_entry; + if (priv->extend_desc) p = (struct dma_desc *)(rx_q->dma_erx + entry); else @@ -3408,7 +3411,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) "len %d larger than size (%d)\n", frame_len, priv->dma_buf_sz); priv->dev->stats.rx_length_errors++; - break; + continue; }

/* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 @@ -3444,7 +3447,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) dev_warn(priv->device, "packet dropped\n"); priv->dev->stats.rx_dropped++; - break; + continue; }

dma_sync_single_for_cpu(priv->device, @@ -3469,7 +3472,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) "%s: Inconsistent Rx chain\n", priv->dev->name); priv->dev->stats.rx_dropped++; - break; + continue; } prefetch(skb->data - NET_IP_ALIGN); rx_q->rx_skbuff[entry] = NULL; @@ -3504,7 +3507,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) priv->dev->stats.rx_packets++; priv->dev->stats.rx_bytes += frame_len; } - entry = next_entry; }

stmmac_rx_refill(priv, queue); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index a44838aac97d..3189afcd5888 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -862,8 +862,8 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) { struct cpsw_common *cpsw = dev_id;

- cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX); writel(0, &cpsw->wr_regs->rx_en); + cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_RX);

if (cpsw->quirk_irq) { disable_irq_nosync(cpsw->irqs_table[0]); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 768ac752a6e3..f543b9932c83 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1331,7 +1331,7 @@ static int nvme_pr_reserve(struct block_device *bdev, u64 key, static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new, enum pr_type type, bool abort) { - u32 cdw10 = nvme_pr_type(type) << 8 | abort ? 2 : 1; + u32 cdw10 = nvme_pr_type(type) << 8 | (abort ? 2 : 1); return nvme_pr_command(bdev, cdw10, old, new, nvme_cmd_resv_acquire); }

@@ -1343,7 +1343,7 @@ static int nvme_pr_clear(struct block_device *bdev, u64 key)

static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type) { - u32 cdw10 = nvme_pr_type(type) << 8 | key ? 1 << 3 : 0; + u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0); return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release); }

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index d66ef88e13cf..2a203055b16e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -211,7 +211,7 @@ u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag) return 0;

mask_bits &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT; - if (flag) + if (flag & PCI_MSIX_ENTRY_CTRL_MASKBIT) mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT; writel(mask_bits, pci_msix_desc_addr(desc) + PCI_MSIX_ENTRY_VECTOR_CTRL);

diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 7e4bec75fcde..522e59274b5d 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -967,17 +967,22 @@ static int pci_pm_thaw_noirq(struct device *dev) return error; }

- if (pci_has_legacy_pm_support(pci_dev)) - return pci_legacy_resume_early(dev); - /* - * pci_restore_state() requires the device to be in D0 (because of MSI - * restoration among other things), so force it into D0 in case the - * driver's "freeze" callbacks put it into a low-power state directly. + * Both the legacy ->resume_early() and the new pm->thaw_noirq() + * callbacks assume the device has been returned to D0 and its + * config state has been restored. + * + * In addition, pci_restore_state() restores MSI-X state in MMIO + * space, which requires the device to be in D0, so return it to D0 + * in case the driver's "freeze" callbacks put it into a low-power + * state. */ pci_set_power_state(pci_dev, PCI_D0); pci_restore_state(pci_dev);

+ if (pci_has_legacy_pm_support(pci_dev)) + return pci_legacy_resume_early(dev); + if (drv && drv->pm && drv->pm->thaw_noirq) error = drv->pm->thaw_noirq(dev);

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 45c3fbd38f50..90df085e9f92 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4252,15 +4252,21 @@ static int pci_quirk_amd_sb_acs(struct pci_dev *dev, u16 acs_flags)

static bool pci_quirk_cavium_acs_match(struct pci_dev *dev) { + if (!pci_is_pcie(dev) || pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT) + return false; + + switch (dev->device) { /* - * Effectively selects all downstream ports for whole ThunderX 1 - * family by 0xf800 mask (which represents 8 SoCs), while the lower - * bits of device ID are used to indicate which subdevice is used - * within the SoC. + * Effectively selects all downstream ports for whole ThunderX1 + * (which represents 8 SoCs). */ - return (pci_is_pcie(dev) && - (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) && - ((dev->device & 0xf800) == 0xa000)); + case 0xa000 ... 0xa7ff: /* ThunderX1 */ + case 0xaf84: /* ThunderX2 */ + case 0xb884: /* ThunderX3 */ + return true; + default: + return false; + } }

static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) @@ -4600,7 +4606,7 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) #define INTEL_BSPR_REG_BPPD (1 << 9)

/* Upstream Peer Decode Configuration Register */ -#define INTEL_UPDCR_REG 0x1114 +#define INTEL_UPDCR_REG 0x1014 /* 5:0 Peer Decode Enable bits */ #define INTEL_UPDCR_REG_MASK 0x3f

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d2428c262b7c..b2cb4f497ef6 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4503,7 +4503,7 @@ static int __init regulator_init(void) /* init early to allow our consumers to complete system booting */ core_initcall(regulator_init);

-static int regulator_late_cleanup(struct device *dev, void *data) +static int __init regulator_late_cleanup(struct device *dev, void *data) { struct regulator_dev *rdev = dev_to_rdev(dev); const struct regulator_ops *ops = rdev->desc->ops; @@ -4552,8 +4552,17 @@ static int regulator_late_cleanup(struct device *dev, void *data) return 0; }

-static void regulator_init_complete_work_function(struct work_struct *work) +static int __init regulator_init_complete(void) { + /* + * Since DT doesn't provide an idiomatic mechanism for + * enabling full constraints and since it's much more natural + * with DT to provide them just assume that a DT enabled + * system has full constraints. + */ + if (of_have_populated_dt()) + has_full_constraints = true; + /* * Regulators may had failed to resolve their input supplies * when were registered, either because the input supply was @@ -4571,35 +4580,6 @@ static void regulator_init_complete_work_function(struct work_struct *work) */ class_for_each_device(&regulator_class, NULL, NULL, regulator_late_cleanup); -} - -static DECLARE_DELAYED_WORK(regulator_init_complete_work, - regulator_init_complete_work_function); - -static int __init regulator_init_complete(void) -{ - /* - * Since DT doesn't provide an idiomatic mechanism for - * enabling full constraints and since it's much more natural - * with DT to provide them just assume that a DT enabled - * system has full constraints. - */ - if (of_have_populated_dt()) - has_full_constraints = true; - - /* - * We punt completion for an arbitrary amount of time since - * systems like distros will load many drivers from userspace - * so consumers might not always be ready yet, this is - * particularly an issue with laptops where this might bounce - * the display off then on. Ideally we'd get a notification - * from userspace when this happens but we don't so just wait - * a bit and hope we waited long enough. It'd be better if - * we'd only do this on systems that need it, and a kernel - * command line option might be useful. - */ - schedule_delayed_work(&regulator_init_complete_work, - msecs_to_jiffies(30000));

return 0; } diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index e8e12c2b1d0e..1e6253f1e070 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -243,10 +243,31 @@ static void qcom_glink_channel_release(struct kref *ref) { struct glink_channel *channel = container_of(ref, struct glink_channel, refcount); + struct glink_core_rx_intent *intent; + struct glink_core_rx_intent *tmp; unsigned long flags; + int iid; + + /* cancel pending rx_done work */ + cancel_work_sync(&channel->intent_work);

spin_lock_irqsave(&channel->intent_lock, flags); + /* Free all non-reuse intents pending rx_done work */ + list_for_each_entry_safe(intent, tmp, &channel->done_intents, node) { + if (!intent->reuse) { + kfree(intent->data); + kfree(intent); + } + } + + idr_for_each_entry(&channel->liids, tmp, iid) { + kfree(tmp->data); + kfree(tmp); + } idr_destroy(&channel->liids); + + idr_for_each_entry(&channel->riids, tmp, iid) + kfree(tmp); idr_destroy(&channel->riids); spin_unlock_irqrestore(&channel->intent_lock, flags);

@@ -1095,13 +1116,12 @@ static int qcom_glink_create_remote(struct qcom_glink *glink, close_link: /* * Send a close request to "undo" our open-ack. The close-ack will - * release the last reference. + * release qcom_glink_send_open_req() reference and the last reference + * will be relesed after receiving remote_close or transport unregister + * by calling qcom_glink_native_remove(). */ qcom_glink_send_close_req(glink, channel);

- /* Release qcom_glink_send_open_req() reference */ - kref_put(&channel->refcount, qcom_glink_channel_release); - return ret; }

@@ -1392,15 +1412,13 @@ static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid,

ret = rpmsg_register_device(rpdev); if (ret) - goto free_rpdev; + goto rcid_remove;

channel->rpdev = rpdev; }

return 0;

-free_rpdev: - kfree(rpdev); rcid_remove: spin_lock_irqsave(&glink->idr_lock, flags); idr_remove(&glink->rcids, channel->rcid); @@ -1521,6 +1539,18 @@ static void qcom_glink_work(struct work_struct *work) } }

+static void qcom_glink_cancel_rx_work(struct qcom_glink *glink) +{ + struct glink_defer_cmd *dcmd; + struct glink_defer_cmd *tmp; + + /* cancel any pending deferred rx_work */ + cancel_work_sync(&glink->rx_work); + + list_for_each_entry_safe(dcmd, tmp, &glink->rx_queue, node) + kfree(dcmd); +} + struct qcom_glink *qcom_glink_native_probe(struct device *dev, unsigned long features, struct qcom_glink_pipe *rx, @@ -1591,23 +1621,24 @@ void qcom_glink_native_remove(struct qcom_glink *glink) struct glink_channel *channel; int cid; int ret; - unsigned long flags;

disable_irq(glink->irq); - cancel_work_sync(&glink->rx_work); + qcom_glink_cancel_rx_work(glink);

ret = device_for_each_child(glink->dev, NULL, qcom_glink_remove_device); if (ret) dev_warn(glink->dev, "Can't remove GLINK devices: %d\n", ret);

- spin_lock_irqsave(&glink->idr_lock, flags); /* Release any defunct local channels, waiting for close-ack */ idr_for_each_entry(&glink->lcids, channel, cid) kref_put(&channel->refcount, qcom_glink_channel_release);

+ /* Release any defunct local channels, waiting for close-req */ + idr_for_each_entry(&glink->rcids, channel, cid) + kref_put(&channel->refcount, qcom_glink_channel_release); + idr_destroy(&glink->lcids); idr_destroy(&glink->rcids); - spin_unlock_irqrestore(&glink->idr_lock, flags); mbox_free_channel(glink->mbox_chan); } EXPORT_SYMBOL_GPL(qcom_glink_native_remove); diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_smem.c index 5cdaa5f8fb61..53b3a43160f4 100644 --- a/drivers/rpmsg/qcom_glink_smem.c +++ b/drivers/rpmsg/qcom_glink_smem.c @@ -119,7 +119,7 @@ static void glink_smem_rx_advance(struct qcom_glink_pipe *np, tail = le32_to_cpu(*pipe->tail);

tail += count; - if (tail > pipe->native.length) + if (tail >= pipe->native.length) tail -= pipe->native.length;

*pipe->tail = cpu_to_le32(tail); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 5ea5d42bac76..662df16b07a4 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1983,7 +1983,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)

ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc);

- spin_lock(&session->frwd_lock); + spin_lock_bh(&session->frwd_lock); task = (struct iscsi_task *)sc->SCp.ptr; if (!task) { /* @@ -2110,7 +2110,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) done: if (task) task->last_timeout = jiffies; - spin_unlock(&session->frwd_lock); + spin_unlock_bh(&session->frwd_lock); ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ? "timer reset" : "shutdown or nh"); return rc; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 95503bb9b067..d1363f3fabfa 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -887,6 +887,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_BH_RESET << 16; if ((raw_port_status & PORT_CEC)) status |= USB_PORT_STAT_C_CONFIG_ERROR << 16; + + /* USB3 remote wake resume signaling completed */ + if (bus_state->port_remote_wakeup & (1 << wIndex) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME && + (raw_port_status & PORT_PLS_MASK) != XDEV_RECOVERY) { + bus_state->port_remote_wakeup &= ~(1 << wIndex); + usb_hcd_end_port_resume(&hcd->self, wIndex); + } }

if (hcd->speed < HCD_USB3) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 89af395cd89c..61fa3007a74a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1679,9 +1679,6 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); }

- if (hcd->speed >= HCD_USB3 && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) - bus_state->port_remote_wakeup &= ~(1 << faked_port_index); - if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id);

@@ -1700,6 +1697,7 @@ static void handle_port_status(struct xhci_hcd *xhci, bus_state->port_remote_wakeup |= 1 << faked_port_index; xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); + usb_hcd_start_port_resume(&hcd->self, faked_port_index); xhci_set_link_state(xhci, port_array, faked_port_index, XDEV_U0); /* Need to wait until the next link state change @@ -1737,8 +1735,6 @@ static void handle_port_status(struct xhci_hcd *xhci, if (slot_id && xhci->devs[slot_id]) xhci_ring_device(xhci, slot_id); if (bus_state->port_remote_wakeup & (1 << faked_port_index)) { - bus_state->port_remote_wakeup &= - ~(1 << faked_port_index); xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); usb_wakeup_notification(hcd->self.root_hub, diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 1c46045b0e7f..94594dc63c41 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -297,8 +297,8 @@ static int vfio_msi_set_vector_signal(struct vfio_pci_device *vdev, irq = pci_irq_vector(pdev, vector);

if (vdev->ctx[vector].trigger) { - free_irq(irq, vdev->ctx[vector].trigger); irq_bypass_unregister_producer(&vdev->ctx[vector].producer); + free_irq(irq, vdev->ctx[vector].trigger); kfree(vdev->ctx[vector].name); eventfd_ctx_put(vdev->ctx[vector].trigger); vdev->ctx[vector].trigger = NULL; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 6dc0e092b0fc..5e75c5f77f4c 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -722,6 +722,13 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT;

+ /* O_SYNC also has bit for O_DSYNC so following check picks up either */ + if (cfile->f_flags & O_SYNC) + create_options |= CREATE_WRITE_THROUGH; + + if (cfile->f_flags & O_DIRECT) + create_options |= CREATE_NO_BUFFER; + if (server->ops->get_lease_key) server->ops->get_lease_key(inode, &cfile->fid);

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 4725a9d9597f..8818291815bc 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1718,6 +1718,11 @@ struct net_device { unsigned char if_port; unsigned char dma;

+ /* Note : dev->mtu is often read without holding a lock. + * Writers usually hold RTNL. + * It is recommended to use READ_ONCE() to annotate the reads, + * and to use WRITE_ONCE() to annotate the writes. + */ unsigned int mtu; unsigned int min_mtu; unsigned int max_mtu; diff --git a/include/linux/time.h b/include/linux/time.h index 87c36cf1cec2..21086c5143d9 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -301,4 +301,17 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its) */ #define time_after32(a, b) ((s32)((u32)(b) - (u32)(a)) < 0) #define time_before32(b, a) time_after32(a, b) + +/** + * time_between32 - check if a 32-bit timestamp is within a given time range + * @t: the time which may be within [l,h] + * @l: the lower bound of the range + * @h: the higher bound of the range + * + * time_before32(t, l, h) returns true if @l <= @t <= @h. All operands are + * treated as 32-bit integers. + * + * Equivalent to !(time_before32(@t, @l) || time_after32(@t, @h)). + */ +#define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l)) #endif diff --git a/include/net/ip.h b/include/net/ip.h index b8ebee43941f..666d89ca4e2e 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -644,4 +644,9 @@ extern int sysctl_icmp_msgs_burst; int ip_misc_proc_init(void); #endif

+static inline bool inetdev_valid_mtu(unsigned int mtu) +{ + return likely(mtu >= IPV4_MIN_MTU); +} + #endif /* _IP_H */ diff --git a/include/net/tcp.h b/include/net/tcp.h index 785c4ef4e1bf..00d10f0e1194 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -500,19 +500,27 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb); */ static inline void tcp_synq_overflow(const struct sock *sk) { - unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + unsigned long last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp); unsigned long now = jiffies;

- if (time_after(now, last_overflow + HZ)) - tcp_sk(sk)->rx_opt.ts_recent_stamp = now; + if (!time_between32(now, last_overflow, last_overflow + HZ)) + WRITE_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp, now); }

/* syncookies: no recent synqueue overflow on this listening socket? */ static inline bool tcp_synq_no_recent_overflow(const struct sock *sk) { - unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + unsigned long last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp);

- return time_after(jiffies, last_overflow + TCP_SYNCOOKIE_VALID); + /* If last_overflow <= jiffies <= last_overflow + TCP_SYNCOOKIE_VALID, + * then we're under synflood. However, we have to use + * 'last_overflow - HZ' as lower bound. That's because a concurrent + * tcp_synq_overflow() could update .ts_recent_stamp after we read + * jiffies but before we store .ts_recent_stamp into last_overflow, + * which could lead to rejecting a valid syncookie. + */ + return !time_between32(jiffies, last_overflow - HZ, + last_overflow + TCP_SYNCOOKIE_VALID); }

static inline u32 tcp_cookie_time(void) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index f6b6a92f1c48..b7cc322acdc8 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -217,6 +217,12 @@ static int br_set_mac_address(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL;

+ /* dev_set_mac_addr() can be called by a master device on bridge's + * NETDEV_UNREGISTER, but since it's being destroyed do nothing + */ + if (dev->reg_state != NETREG_REGISTERED) + return -EBUSY; + spin_lock_bh(&br->lock); if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) { /* Mac address will be changed in br_stp_change_bridge_id(). */ diff --git a/net/core/dev.c b/net/core/dev.c index 3ce68484ed5a..f9f05b3df460 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6876,7 +6876,8 @@ int __dev_set_mtu(struct net_device *dev, int new_mtu) if (ops->ndo_change_mtu) return ops->ndo_change_mtu(dev, new_mtu);

- dev->mtu = new_mtu; + /* Pairs with all the lockless reads of dev->mtu in the stack */ + WRITE_ONCE(dev->mtu, new_mtu); return 0; } EXPORT_SYMBOL(__dev_set_mtu); diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 7be5c20a93a5..071de3013364 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -450,9 +450,10 @@ bool __skb_flow_dissect(const struct sk_buff *skb, nhoff = skb_network_offset(skb); hlen = skb_headlen(skb); #if IS_ENABLED(CONFIG_NET_DSA) - if (unlikely(skb->dev && netdev_uses_dsa(skb->dev))) { + if (unlikely(skb->dev && netdev_uses_dsa(skb->dev) && + proto == htons(ETH_P_XDSA))) { const struct dsa_device_ops *ops; - int offset; + int offset = 0;

ops = skb->dev->dsa_ptr->tag_ops; if (ops->flow_dissect && diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 5264510c9983..5f020c051af9 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1426,11 +1426,6 @@ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev) } }

-static bool inetdev_valid_mtu(unsigned int mtu) -{ - return mtu >= IPV4_MIN_MTU; -} - static void inetdev_send_gratuitous_arp(struct net_device *dev, struct in_device *in_dev)

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 34d49f76d1a7..73cd64c7692f 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1123,13 +1123,17 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork, rt = *rtp; if (unlikely(!rt)) return -EFAULT; - /* - * We steal reference to this route, caller should not release it - */ - *rtp = NULL; + cork->fragsize = ip_sk_use_pmtu(sk) ? - dst_mtu(&rt->dst) : rt->dst.dev->mtu; + dst_mtu(&rt->dst) : READ_ONCE(rt->dst.dev->mtu); + + if (!inetdev_valid_mtu(cork->fragsize)) + return -ENETUNREACH; + cork->dst = &rt->dst; + /* We stole this route, caller should not release it. */ + *rtp = NULL; + cork->length = 0; cork->ttl = ipc->ttl; cork->tos = ipc->tos; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 6025cc509d97..e3b28140c10b 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -708,8 +708,9 @@ static unsigned int tcp_established_options(struct sock *sk, struct sk_buff *skb min_t(unsigned int, eff_sacks, (remaining - TCPOLEN_SACK_BASE_ALIGNED) / TCPOLEN_SACK_PERBLOCK); - size += TCPOLEN_SACK_BASE_ALIGNED + - opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK; + if (likely(opts->num_sack_blocks)) + size += TCPOLEN_SACK_BASE_ALIGNED + + opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK; }

return size; diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index 48d81857961c..737e37b28d93 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -879,6 +879,17 @@ static int ovs_ct_nat(struct net *net, struct sw_flow_key *key, } err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, maniptype);

+ if (err == NF_ACCEPT && + ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT) { + if (maniptype == NF_NAT_MANIP_SRC) + maniptype = NF_NAT_MANIP_DST; + else + maniptype = NF_NAT_MANIP_SRC; + + err = ovs_ct_nat_execute(skb, ct, ctinfo, &info->range, + maniptype); + } + /* Mark NAT done if successful and update the flow key. */ if (err == NF_ACCEPT) ovs_nat_update_key(key, skb, maniptype); diff --git a/net/tipc/core.c b/net/tipc/core.c index 67ac10434ba2..35f162ece2b7 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -116,14 +116,6 @@ static int __init tipc_init(void) sysctl_tipc_rmem[1] = RCVBUF_DEF; sysctl_tipc_rmem[2] = RCVBUF_MAX;

- err = tipc_netlink_start(); - if (err) - goto out_netlink; - - err = tipc_netlink_compat_start(); - if (err) - goto out_netlink_compat; - err = tipc_register_sysctl(); if (err) goto out_sysctl; @@ -144,8 +136,21 @@ static int __init tipc_init(void) if (err) goto out_bearer;

+ err = tipc_netlink_start(); + if (err) + goto out_netlink; + + err = tipc_netlink_compat_start(); + if (err) + goto out_netlink_compat; + pr_info("Started in single node mode\n"); return 0; + +out_netlink_compat: + tipc_netlink_stop(); +out_netlink: + tipc_bearer_cleanup(); out_bearer: unregister_pernet_device(&tipc_topsrv_net_ops); out_pernet_topsrv: @@ -155,22 +160,18 @@ static int __init tipc_init(void) out_pernet: tipc_unregister_sysctl(); out_sysctl: - tipc_netlink_compat_stop(); -out_netlink_compat: - tipc_netlink_stop(); -out_netlink: pr_err("Unable to start in single node mode\n"); return err; }

static void __exit tipc_exit(void) { + tipc_netlink_compat_stop(); + tipc_netlink_stop(); tipc_bearer_cleanup(); unregister_pernet_device(&tipc_topsrv_net_ops); tipc_socket_stop(); unregister_pernet_device(&tipc_net_ops); - tipc_netlink_stop(); - tipc_netlink_compat_stop(); tipc_unregister_sysctl();

pr_info("Deactivated\n");