diff options
36 files changed, 433 insertions, 176 deletions
diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug index 6293920..b31c080 100644 --- a/arch/i386/Kconfig.debug +++ b/arch/i386/Kconfig.debug @@ -49,7 +49,6 @@ config DEBUG_PAGEALLOC config DEBUG_RODATA bool "Write protect kernel read-only data structures" depends on DEBUG_KERNEL - depends on !KPROBES # temporary for 2.6.22 help Mark the kernel read-only data as write-protected in the pagetables, in order to catch accidental (and incorrect) writes to such const diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index b22ce8d..7135946 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -799,6 +799,7 @@ void mark_rodata_ro(void) unsigned long start = PFN_ALIGN(_text); unsigned long size = PFN_ALIGN(_etext) - start; +#ifndef CONFIG_KPROBES #ifdef CONFIG_HOTPLUG_CPU /* It must still be possible to apply SMP alternatives. */ if (num_possible_cpus() <= 1) @@ -808,7 +809,7 @@ void mark_rodata_ro(void) size >> PAGE_SHIFT, PAGE_KERNEL_RX); printk("Write protecting the kernel text: %luk\n", size >> 10); } - +#endif start += size; size = (unsigned long)__end_rodata - start; change_page_attr(virt_to_page(start), diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index e70f57e..3221677 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -16,6 +16,8 @@ #include <asm/uaccess.h> #include <asm/assembly.h> +#include <asm/asm-offsets.h> +#include <asm/ptrace.h> #include <asm/unwind.h> @@ -26,6 +28,8 @@ #define dbg(x...) #endif +#define KERNEL_START (KERNEL_BINARY_TEXT_START - 0x1000) + extern struct unwind_table_entry __start___unwind[]; extern struct unwind_table_entry __stop___unwind[]; @@ -197,6 +201,29 @@ static int unwind_init(void) return 0; } +#ifdef CONFIG_64BIT +#define get_func_addr(fptr) fptr[2] +#else +#define get_func_addr(fptr) fptr[0] +#endif + +static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int frame_size) +{ + void handle_interruption(int, struct pt_regs *); + static unsigned long *hi = (unsigned long)&handle_interruption; + + if (pc == get_func_addr(hi)) { + struct pt_regs *regs = (struct pt_regs *)(info->sp - frame_size - PT_SZ_ALGN); + dbg("Unwinding through handle_interruption()\n"); + info->prev_sp = regs->gr[30]; + info->prev_ip = regs->iaoq[0]; + + return 1; + } + + return 0; +} + static void unwind_frame_regs(struct unwind_frame_info *info) { const struct unwind_table_entry *e; @@ -310,13 +337,15 @@ static void unwind_frame_regs(struct unwind_frame_info *info) } } - info->prev_sp = info->sp - frame_size; - if (e->Millicode) - info->rp = info->r31; - else if (rpoffset) - info->rp = *(unsigned long *)(info->prev_sp - rpoffset); - info->prev_ip = info->rp; - info->rp = 0; + if (!unwind_special(info, e->region_start, frame_size)) { + info->prev_sp = info->sp - frame_size; + if (e->Millicode) + info->rp = info->r31; + else if (rpoffset) + info->rp = *(unsigned long *)(info->prev_sp - rpoffset); + info->prev_ip = info->rp; + info->rp = 0; + } dbg("analyzing func @ %lx, setting prev_sp=%lx " "prev_ip=%lx npc=%lx\n", info->ip, info->prev_sp, diff --git a/arch/x86_64/Kconfig.debug b/arch/x86_64/Kconfig.debug index 8a86775..775d211 100644 --- a/arch/x86_64/Kconfig.debug +++ b/arch/x86_64/Kconfig.debug @@ -9,7 +9,6 @@ source "lib/Kconfig.debug" config DEBUG_RODATA bool "Write protect kernel read-only data structures" depends on DEBUG_KERNEL - depends on !KPROBES # temporary for 2.6.22 help Mark the kernel read-only data as write-protected in the pagetables, in order to catch accidental (and incorrect) writes to such const data. diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index efb6e84..9a0e98a 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -605,6 +605,11 @@ void mark_rodata_ro(void) if (num_possible_cpus() > 1) start = (unsigned long)_etext; #endif + +#ifdef CONFIG_KPROBES + start = (unsigned long)__start_rodata; +#endif + end = (unsigned long)__end_rodata; start = (start + PAGE_SIZE - 1) & PAGE_MASK; end &= PAGE_MASK; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 545f330..ca5229d 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -527,7 +527,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev, /* fixup zero port_map */ if (!port_map) { - port_map = (1 << ahci_nr_ports(hpriv->cap)) - 1; + port_map = (1 << ahci_nr_ports(cap)) - 1; dev_printk(KERN_WARNING, &pdev->dev, "PORTS_IMPL is zero, forcing 0x%x\n", port_map); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 047eabd..adfae9d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3659,7 +3659,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, /** * ata_dev_reread_id - Re-read IDENTIFY data - * @adev: target ATA device + * @dev: target ATA device * @readid_flags: read ID flags * * Re-read IDENTIFY page and make sure @dev is still attached to @@ -3802,6 +3802,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "HTS541010G9SA00", "MBZOC60D", ATA_HORKAGE_NONCQ, }, /* Drives which do spurious command completion */ { "HTS541680J9SA00", "SB2IC7EP", ATA_HORKAGE_NONCQ, }, + { "HTS541612J9SA00", "SBDIC7JP", ATA_HORKAGE_NONCQ, }, + { "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, }, /* Devices with NCQ limits */ diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index b439351..a16f629 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -693,6 +693,8 @@ static const struct pci_device_id amd[] = { { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE), 8 }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE), 8 }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 }, { }, diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index b3456d7..dab4e7c 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -2,6 +2,7 @@ * pata_it821x.c - IT821x PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox <alan@redhat.com> + * (C) 2007 Bartlomiej Zolnierkiewicz * * based upon * @@ -79,7 +80,7 @@ #define DRV_NAME "pata_it821x" -#define DRV_VERSION "0.3.6" +#define DRV_VERSION "0.3.7" struct it821x_dev { @@ -460,14 +461,8 @@ static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc) static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused) { - int dma_enabled = 0; int i; - /* Bits 5 and 6 indicate if DMA is active on master/slave */ - /* It is possible that BMDMA isn't allocated */ - if (ap->ioaddr.bmdma_addr) - dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; if (ata_dev_enabled(dev)) { @@ -476,7 +471,7 @@ static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused dev->dma_mode = XFER_MW_DMA_0; /* We do need the right mode information for DMA or PIO and this comes from the current configuration flags */ - if (dma_enabled & (1 << (5 + i))) { + if (ata_id_has_dma(dev->id)) { ata_dev_printk(dev, KERN_INFO, "configured for DMA\n"); dev->xfer_mode = XFER_MW_DMA_0; dev->xfer_shift = ATA_SHIFT_MWDMA; @@ -799,7 +794,7 @@ MODULE_VERSION(DRV_VERSION); module_param_named(noraid, it8212_noraid, int, S_IRUGO); -MODULE_PARM_DESC(it8212_noraid, "Force card into bypass mode"); +MODULE_PARM_DESC(noraid, "Force card into bypass mode"); module_init(it821x_init); module_exit(it821x_exit); diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 0439ee9..a124060 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -1843,35 +1843,35 @@ static const struct intel_driver_description { &intel_845_driver, &intel_830_driver }, { PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL }, { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G", - &intel_845_driver, &intel_915_driver }, + NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM", - &intel_845_driver, &intel_915_driver }, + NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G", - &intel_845_driver, &intel_915_driver }, + NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 1, "945GM", - &intel_845_driver, &intel_915_driver }, + NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME", - &intel_845_driver, &intel_915_driver }, + NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965G_1_HB, PCI_DEVICE_ID_INTEL_82965G_1_IG, 0, "965G", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 1, "965GM", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE", - &intel_845_driver, &intel_i965_driver }, + NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL }, { PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL }, { PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33", - &intel_845_driver, &intel_g33_driver }, + NULL, &intel_g33_driver }, { PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35", - &intel_845_driver, &intel_g33_driver }, + NULL, &intel_g33_driver }, { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", - &intel_845_driver, &intel_g33_driver }, + NULL, &intel_g33_driver }, { 0, 0, 0, NULL, NULL, NULL } }; @@ -1917,8 +1917,11 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, } if (bridge->driver == NULL) { - printk(KERN_WARNING PFX "Failed to find bridge device " - "(chip_id: %04x)\n", intel_agp_chipsets[i].gmch_chip_id); + /* bridge has no AGP and no IGD detected */ + if (cap_ptr) + printk(KERN_WARNING PFX "Failed to find bridge device " + "(chip_id: %04x)\n", + intel_agp_chipsets[i].gmch_chip_id); agp_put_bridge(bridge); return -ENODEV; } diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 7e03f41..f829e4a 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2303,19 +2303,18 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) } /* - * set link state for bonding master: if we have an active partnered + * set link state for bonding master: if we have an active * aggregator, we're up, if not, we're down. Presumes that we cannot * have an active aggregator if there are no slaves with link up. * + * This behavior complies with IEEE 802.3 section 43.3.9. + * * Called by bond_set_carrier(). Return zero if carrier state does not * change, nonzero if it does. */ int bond_3ad_set_carrier(struct bonding *bond) { - struct aggregator *agg; - - agg = __get_active_agg(&(SLAVE_AD_INFO(bond->first_slave).aggregator)); - if (agg && MAC_ADDRESS_COMPARE(&agg->partner_system, &null_mac_addr)) { + if (__get_active_agg(&(SLAVE_AD_INFO(bond->first_slave).aggregator))) { if (!netif_carrier_ok(bond->dev)) { netif_carrier_on(bond->dev); return 1; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 223517d..6287ffb 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4345,8 +4345,8 @@ static void bond_free_all(void) bond_mc_list_destroy(bond); /* Release the bonded slaves */ bond_release_all(bond_dev); - unregister_netdevice(bond_dev); bond_deinit(bond_dev); + unregister_netdevice(bond_dev); } #ifdef CONFIG_PROC_FS diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index a122baa..60cccf2 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -164,9 +164,9 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t printk(KERN_INFO DRV_NAME ": %s is being deleted...\n", bond->dev->name); - unregister_netdevice(bond->dev); bond_deinit(bond->dev); bond_destroy_sysfs_entry(bond); + unregister_netdevice(bond->dev); rtnl_unlock(); goto out; } diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 41aa78b..a891021 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -22,8 +22,8 @@ #include "bond_3ad.h" #include "bond_alb.h" -#define DRV_VERSION "3.1.2" -#define DRV_RELDATE "January 20, 2007" +#define DRV_VERSION "3.1.3" +#define DRV_RELDATE "June 13, 2007" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c index 73a41e6..ee140e6 100644 --- a/drivers/net/cxgb3/ael1002.c +++ b/drivers/net/cxgb3/ael1002.c @@ -219,7 +219,13 @@ static int xaui_direct_get_link_status(struct cphy *phy, int *link_ok, unsigned int status; status = t3_read_reg(phy->adapter, - XGM_REG(A_XGM_SERDES_STAT0, phy->addr)); + XGM_REG(A_XGM_SERDES_STAT0, phy->addr)) | + t3_read_reg(phy->adapter, + XGM_REG(A_XGM_SERDES_STAT1, phy->addr)) | + t3_read_reg(phy->adapter, + XGM_REG(A_XGM_SERDES_STAT2, phy->addr)) | + t3_read_reg(phy->adapter, + XGM_REG(A_XGM_SERDES_STAT3, phy->addr)); *link_ok = !(status & F_LOWSIG0); } if (speed) @@ -247,5 +253,5 @@ static struct cphy_ops xaui_direct_ops = { void t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr, const struct mdio_ops *mdio_ops) { - cphy_init(phy, adapter, 1, &xaui_direct_ops, mdio_ops); + cphy_init(phy, adapter, phy_addr, &xaui_direct_ops, mdio_ops); } diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 1b20f40..d8a1f54 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -2071,10 +2071,20 @@ static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp) static void cxgb_netpoll(struct net_device *dev) { struct adapter *adapter = dev->priv; - struct sge_qset *qs = dev2qset(dev); + struct port_info *pi = netdev_priv(dev); + int qidx; - t3_intr_handler(adapter, qs->rspq.polling) (adapter->pdev->irq, - adapter); + for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { + struct sge_qset *qs = &adapter->sge.qs[qidx]; + void *source; + + if (adapter->flags & USING_MSIX) + source = qs; + else + source = adapter; + + t3_intr_handler(adapter, qs->rspq.polling) (0, source); + } } #endif diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index e5a5534..020859c 100644 --- a/drivers/net/cxgb3/regs.h +++ b/drivers/net/cxgb3/regs.h @@ -1882,6 +1882,10 @@ #define V_COPYALLFRAMES(x) ((x) << S_COPYALLFRAMES) #define F_COPYALLFRAMES V_COPYALLFRAMES(1U) +#define S_DISBCAST 1 +#define V_DISBCAST(x) ((x) << S_DISBCAST) +#define F_DISBCAST V_DISBCAST(1U) + #define A_XGM_RX_HASH_LOW 0x814 #define A_XGM_RX_HASH_HIGH 0x818 @@ -2128,6 +2132,8 @@ #define F_RESETPLL01 V_RESETPLL01(1U) #define A_XGM_SERDES_STAT0 0x8f0 +#define A_XGM_SERDES_STAT1 0x8f4 +#define A_XGM_SERDES_STAT2 0x8f8 #define S_LOWSIG0 0 #define V_LOWSIG0(x) ((x) << S_LOWSIG0) diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 3666586..a60ec4d 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -1690,8 +1690,8 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq, struct port_info *pi; skb_pull(skb, sizeof(*p) + pad); - skb->dev->last_rx = jiffies; skb->protocol = eth_type_trans(skb, adap->port[p->iff]); + skb->dev->last_rx = jiffies; pi = netdev_priv(skb->dev); if (pi->rx_csum_offload && p->csum_valid && p->csum == 0xffff && !p->fragment) { @@ -2217,7 +2217,6 @@ irqreturn_t t3_sge_intr_msix_napi(int irq, void *cookie) struct sge_rspq *q = &qs->rspq; spin_lock(&q->lock); - BUG_ON(napi_is_scheduled(qs->netdev)); if (handle_responses(adap, q) < 0) q->unhandled_irqs++; diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c index a506792..b261be1 100644 --- a/drivers/net/cxgb3/xgmac.c +++ b/drivers/net/cxgb3/xgmac.c @@ -231,6 +231,28 @@ int t3_mac_set_num_ucast(struct cmac *mac, int n) return 0; } +static void disable_exact_filters(struct cmac *mac) +{ + unsigned int i, reg = mac->offset + A_XGM_RX_EXACT_MATCH_LOW_1; + + for (i = 0; i < EXACT_ADDR_FILTERS; i++, reg += 8) { + u32 v = t3_read_reg(mac->adapter, reg); + t3_write_reg(mac->adapter, reg, v); + } + t3_read_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1); /* flush */ +} + +static void enable_exact_filters(struct cmac *mac) +{ + unsigned int i, reg = mac->offset + A_XGM_RX_EXACT_MATCH_HIGH_1; + + for (i = 0; i < EXACT_ADDR_FILTERS; i++, reg += 8) { + u32 v = t3_read_reg(mac->adapter, reg); + t3_write_reg(mac->adapter, reg, v); + } + t3_read_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1); /* flush */ +} + /* Calculate the RX hash filter index of an Ethernet address */ static int hash_hw_addr(const u8 * addr) { @@ -281,6 +303,14 @@ int t3_mac_set_rx_mode(struct cmac *mac, struct t3_rx_mode *rm) return 0; } +static int rx_fifo_hwm(int mtu) +{ + int hwm; + + hwm = max(MAC_RXFIFO_SIZE - 3 * mtu, (MAC_RXFIFO_SIZE * 38) / 100); + return min(hwm, MAC_RXFIFO_SIZE - 8192); +} + int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu) { int hwm, lwm; @@ -306,11 +336,38 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu) lwm = min(3 * (int)mtu, MAC_RXFIFO_SIZE / 4); v = t3_read_reg(adap, A_XGM_RXFIFO_CFG + mac->offset); + if (adap->params.rev == T3_REV_B2 && + (t3_read_reg(adap, A_XGM_RX_CTRL + mac->offset) & F_RXEN)) { + disable_exact_filters(mac); + t3_set_reg_field(adap, A_XGM_RXFIFO_CFG + mac->offset, + F_ENHASHMCAST | F_COPYALLFRAMES, F_DISBCAST); + + /* drain rx FIFO */ + if (t3_wait_op_done(adap, + A_XGM_RX_MAX_PKT_SIZE_ERR_CNT + + mac->offset, + 1 << 31, 1, 20, 5)) { + t3_write_reg(adap, A_XGM_RXFIFO_CFG + mac->offset, v); + enable_exact_filters(mac); + return -EIO; + } + t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu); + enable_exact_filters(mac); + } else + t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu); + + /* + * Adjust the PAUSE frame watermarks. We always set the LWM, and the + * HWM only if flow-control is enabled. + */ + hwm = rx_fifo_hwm(mtu); + lwm = min(3 * (int)mtu, MAC_RXFIFO_SIZE / 4); v &= ~V_RXFIFOPAUSELWM(M_RXFIFOPAUSELWM); v |= V_RXFIFOPAUSELWM(lwm / 8); if (G_RXFIFOPAUSEHWM(v)) v = (v & ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM)) | V_RXFIFOPAUSEHWM(hwm / 8); + t3_write_reg(adap, A_XGM_RXFIFO_CFG + mac->offset, v); /* Adjust the TX FIFO threshold based on the MTU */ @@ -329,7 +386,6 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu) (hwm - lwm) * 4 / 8); t3_write_reg(adap, A_XGM_TX_PAUSE_QUANTA + mac->offset, MAC_RXFIFO_SIZE * 4 * 8 / 512); - return 0; } @@ -357,6 +413,15 @@ int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc) V_PORTSPEED(M_PORTSPEED), val); } + val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft); + val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM); + if (fc & PAUSE_TX) + val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm( + t3_read_reg(adap, + A_XGM_RX_MAX_PKT_SIZE + + oft)) / 8); + t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val); + t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN, (fc & PAUSE_RX) ? F_TXPAUSEEN : 0); return 0; @@ -436,6 +501,10 @@ int t3b2_mac_watchdog_task(struct cmac *mac) unsigned int rx_xcnt; int status; + status = 0; + tx_xcnt = 1; /* By default tx_xcnt is making progress */ + tx_tcnt = mac->tx_tcnt; /* If tx_mcnt is progressing ignore tx_tcnt */ + rx_xcnt = 1; /* By default rx_xcnt is making progress */ if (tx_mcnt == mac->tx_mcnt) { tx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap, A_XGM_TX_SPI4_SOP_EOP_CNT + @@ -446,37 +515,44 @@ int t3b2_mac_watchdog_task(struct cmac *mac) tx_tcnt = (G_TXDROPCNTCH0RCVD(t3_read_reg(adap, A_TP_PIO_DATA))); } else { - mac->toggle_cnt = 0; - return 0; + goto rxcheck; } } else { mac->toggle_cnt = 0; - return 0; + goto rxcheck; } if (((tx_tcnt != mac->tx_tcnt) && (tx_xcnt == 0) && (mac->tx_xcnt == 0)) || ((mac->tx_mcnt == tx_mcnt) && (tx_xcnt != 0) && (mac->tx_xcnt != 0))) { - if (mac->toggle_cnt > 4) + if (mac->toggle_cnt > 4) { status = 2; - else + goto out; + } else { status = 1; + goto out; + } } else { mac->toggle_cnt = 0; - return 0; + goto rxcheck; } +rxcheck: if (rx_mcnt != mac->rx_mcnt) rx_xcnt = (G_TXSPI4SOPCNT(t3_read_reg(adap, A_XGM_RX_SPI4_SOP_EOP_CNT + mac->offset))); - else - return 0; + else + goto out; - if (mac->rx_mcnt != s->rx_frames && rx_xcnt == 0 && mac->rx_xcnt == 0) + if (mac->rx_mcnt != s->rx_frames && rx_xcnt == 0 && + mac->rx_xcnt == 0) { status = 2; - + goto out; + } + +out: mac->tx_tcnt = tx_tcnt; mac->tx_xcnt = tx_xcnt; mac->tx_mcnt = s->tx_frames; diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 32788ca4..42ba1c0 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -4825,8 +4825,10 @@ static int nv_close(struct net_device *dev) drain_ring(dev); - if (np->wolenabled) + if (np->wolenabled) { + writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); nv_start_rx(dev); + } /* FIXME: power down nic */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index 4cf0d3f..460a0871 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -690,7 +690,7 @@ static ssize_t natsemi_set_dspcfg_workaround(struct device *dev, { struct netdev_private *np = netdev_priv(to_net_dev(dev)); int new_setting; - u32 flags; + unsigned long flags; /* Find out the new setting */ if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1)) diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index b47ad1d..7a4aa6a 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -460,13 +460,9 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE; } else { hwdescr->buf_addr = buf; - hwdescr->next_descr_addr = 0; wmb(); hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOINTR_COMPLETE; - - wmb(); - descr->prev->hwdescr->next_descr_addr = descr->bus_addr; } return 0; @@ -541,12 +537,16 @@ spider_net_refill_rx_chain(struct spider_net_card *card) static int spider_net_alloc_rx_skbs(struct spider_net_card *card) { - int result; - struct spider_net_descr_chain *chain; + struct spider_net_descr_chain *chain = &card->rx_chain; + struct spider_net_descr *start = chain->tail; + struct spider_net_descr *descr = start; - result = -ENOMEM; + /* Link up the hardware chain pointers */ + do { + descr->prev->hwdescr->next_descr_addr = descr->bus_addr; + descr = descr->next; + } while (descr != start); - chain = &card->rx_chain; /* Put at least one buffer into the chain. if this fails, * we've got a problem. If not, spider_net_refill_rx_chain * will do the rest at the end of this function. */ @@ -563,7 +563,7 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card) error: spider_net_free_rx_chain_contents(card); - return result; + return -ENOMEM; } /** @@ -718,7 +718,7 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOCS; spin_unlock_irqrestore(&chain->lock, flags); - if (skb->protocol == htons(ETH_P_IP) && skb->ip_summed == CHECKSUM_PARTIAL) + if (skb->ip_summed == CHECKSUM_PARTIAL) switch (ip_hdr(skb)->protocol) { case IPPROTO_TCP: hwdescr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP; @@ -1051,6 +1051,66 @@ static void show_rx_chain(struct spider_net_card *card) #endif /** + * spider_net_resync_head_ptr - Advance head ptr past empty descrs + * + * If the driver fails to keep up and empty the queue, then the + * hardware wil run out of room to put incoming packets. This + * will cause the hardware to skip descrs that are full (instead + * of halting/retrying). Thus, once the driver runs, it wil need + * to "catch up" to where the hardware chain pointer is at. + */ +static void spider_net_resync_head_ptr(struct spider_net_card *card) +{ + unsigned long flags; + struct spider_net_descr_chain *chain = &card->rx_chain; + struct spider_net_descr *descr; + int i, status; + + /* Advance head pointer past any empty descrs */ + descr = chain->head; + status = spider_net_get_descr_status(descr->hwdescr); + + if (status == SPIDER_NET_DESCR_NOT_IN_USE) + return; + + spin_lock_irqsave(&chain->lock, flags); + + descr = chain->head; + status = spider_net_get_descr_status(descr->hwdescr); + for (i=0; i<chain->num_desc; i++) { + if (status != SPIDER_NET_DESCR_CARDOWNED) break; + descr = descr->next; + status = spider_net_get_descr_status(descr->hwdescr); + } + chain->head = descr; + + spin_unlock_irqrestore(&chain->lock, flags); +} + +static int spider_net_resync_tail_ptr(struct spider_net_card *card) +{ + struct spider_net_descr_chain *chain = &card->rx_chain; + struct spider_net_descr *descr; + int i, status; + + /* Advance tail pointer past any empty and reaped descrs */ + descr = chain->tail; + status = spider_net_get_descr_status(descr->hwdescr); + + for (i=0; i<chain->num_desc; i++) { + if ((status != SPIDER_NET_DESCR_CARDOWNED) && + (status != SPIDER_NET_DESCR_NOT_IN_USE)) break; + descr = descr->next; + status = spider_net_get_descr_status(descr->hwdescr); + } + chain->tail = descr; + + if ((i == chain->num_desc) || (i == 0)) + return 1; + return 0; +} + +/** * spider_net_decode_one_descr - processes an RX descriptor * @card: card structure * @@ -1112,7 +1172,7 @@ spider_net_decode_one_descr(struct spider_net_card *card) goto bad_desc; } - if (hwdescr->dmac_cmd_status & 0xfefe) { + if (hwdescr->dmac_cmd_status & 0xfcf4) { pr_err("%s: bad status, cmd_status=x%08x\n", card->netdev->name, hwdescr->dmac_cmd_status); @@ -1131,6 +1191,7 @@ spider_net_decode_one_descr(struct spider_net_card *card) /* Ok, we've got a packet in descr */ spider_net_pass_skb_up(descr, card); + descr->skb = NULL; hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE; return 1; @@ -1174,6 +1235,12 @@ spider_net_poll(struct net_device *netdev, int *budget) } } + if ((packets_done == 0) && (card->num_rx_ints != 0)) { + no_more_packets = spider_net_resync_tail_ptr(card); + spider_net_resync_head_ptr(card); + } + card->num_rx_ints = 0; + netdev->quota -= packets_done; *budget -= packets_done; spider_net_refill_rx_chain(card); @@ -1184,6 +1251,7 @@ spider_net_poll(struct net_device *netdev, int *budget) if (no_more_packets) { netif_rx_complete(netdev); spider_net_rx_irq_on(card); + card->ignore_rx_ramfull = 0; return 0; } @@ -1417,11 +1485,15 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) case SPIDER_NET_GRFBFLLINT: /* fallthrough */ case SPIDER_NET_GRFAFLLINT: /* fallthrough */ case SPIDER_NET_GRMFLLINT: - if (netif_msg_intr(card) && net_ratelimit()) - pr_err("Spider RX RAM full, incoming packets " - "might be discarded!\n"); - spider_net_rx_irq_off(card); - netif_rx_schedule(card->netdev); + /* Could happen when rx chain is full */ + if (card->ignore_rx_ramfull == 0) { + card->ignore_rx_ramfull = 1; + spider_net_resync_head_ptr(card); + spider_net_refill_rx_chain(card); + spider_net_enable_rxdmac(card); + card->num_rx_ints ++; + netif_rx_schedule(card->netdev); + } show_error = 0; break; @@ -1436,12 +1508,11 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) case SPIDER_NET_GDCDCEINT: /* fallthrough */ case SPIDER_NET_GDBDCEINT: /* fallthrough */ case SPIDER_NET_GDADCEINT: - if (netif_msg_intr(card) && net_ratelimit()) - pr_err("got descriptor chain end interrupt, " - "restarting DMAC %c.\n", - 'D'-(i-SPIDER_NET_GDDDCEINT)/3); + spider_net_resync_head_ptr(card); spider_net_refill_rx_chain(card); spider_net_enable_rxdmac(card); + card->num_rx_ints ++; + netif_rx_schedule(card->netdev); show_error = 0; break; @@ -1450,9 +1521,12 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) case SPIDER_NET_GDCINVDINT: /* fallthrough */ case SPIDER_NET_GDBINVDINT: /* fallthrough */ case SPIDER_NET_GDAINVDINT: - /* could happen when rx chain is full */ + /* Could happen when rx chain is full */ + spider_net_resync_head_ptr(card); spider_net_refill_rx_chain(card); spider_net_enable_rxdmac(card); + card->num_rx_ints ++; + netif_rx_schedule(card->netdev); show_error = 0; break; @@ -1545,6 +1619,7 @@ spider_net_interrupt(int irq, void *ptr) if (status_reg & SPIDER_NET_RXINT ) { spider_net_rx_irq_off(card); netif_rx_schedule(netdev); + card->num_rx_ints ++; } if (status_reg & SPIDER_NET_TXINT) netif_rx_schedule(netdev); @@ -2185,11 +2260,13 @@ spider_net_setup_netdev(struct spider_net_card *card) spider_net_setup_netdev_ops(netdev); - netdev->features = NETIF_F_HW_CSUM | NETIF_F_LLTX; + netdev->features = NETIF_F_IP_CSUM | NETIF_F_LLTX; /* some time: NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | * NETIF_F_HW_VLAN_FILTER */ netdev->irq = card->pdev->irq; + card->num_rx_ints = 0; + card->ignore_rx_ramfull = 0; dn = pci_device_to_OF_node(card->pdev); if (!dn) diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index 4a1e0d2..1d054aa 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -25,7 +25,7 @@ #ifndef _SPIDER_NET_H #define _SPIDER_NET_H -#define VERSION "2.0 A" +#define VERSION "2.0 B" #include "sungem_phy.h" @@ -222,6 +222,7 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_GDTBSTA 0x00000300 #define SPIDER_NET_GDTDCEIDIS 0x00000002 #define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \ + SPIDER_NET_GDTDCEIDIS | \ SPIDER_NET_GDTBSTA #define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003 @@ -332,8 +333,7 @@ enum spider_net_int2_status { SPIDER_NET_GRISPDNGINT }; -#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) | \ - (1 << SPIDER_NET_GDTDCEINT) ) +#define SPIDER_NET_TXINT (1 << SPIDER_NET_GDTFDCINT) /* We rely on flagged descriptor interrupts */ #define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) ) @@ -461,6 +461,8 @@ struct spider_net_card { struct work_struct tx_timeout_task; atomic_t tx_timeout_task_counter; wait_queue_head_t waitq; + int num_rx_ints; + int ignore_rx_ramfull; /* for ethtool */ int msg_enable; diff --git a/drivers/net/spider_net_ethtool.c b/drivers/net/spider_net_ethtool.c index 6bcf03f..d940474 100644 --- a/drivers/net/spider_net_ethtool.c +++ b/drivers/net/spider_net_ethtool.c @@ -134,22 +134,6 @@ spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n) return 0; } -static uint32_t -spider_net_ethtool_get_tx_csum(struct net_device *netdev) -{ - return (netdev->features & NETIF_F_HW_CSUM) != 0; -} - -static int -spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data) -{ - if (data) - netdev->features |= NETIF_F_HW_CSUM; - else - netdev->features &= ~NETIF_F_HW_CSUM; - - return 0; -} static void spider_net_ethtool_get_ringparam(struct net_device *netdev, @@ -200,11 +184,12 @@ const struct ethtool_ops spider_net_ethtool_ops = { .get_wol = spider_net_ethtool_get_wol, .get_msglevel = spider_net_ethtool_get_msglevel, .set_msglevel = spider_net_ethtool_set_msglevel, + .get_link = ethtool_op_get_link, .nway_reset = spider_net_ethtool_nway_reset, .get_rx_csum = spider_net_ethtool_get_rx_csum, .set_rx_csum = spider_net_ethtool_set_rx_csum, - .get_tx_csum = spider_net_ethtool_get_tx_csum, - .set_tx_csum = spider_net_ethtool_set_tx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, .get_ringparam = spider_net_ethtool_get_ringparam, .get_strings = spider_net_get_strings, .get_stats_count = spider_net_get_stats_count, diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c index 98be288..e5d7ed9 100644 --- a/drivers/parisc/led.c +++ b/drivers/parisc/led.c @@ -195,12 +195,6 @@ static int led_proc_write(struct file *file, const char *buf, cur = lbuf; - /* skip initial spaces */ - while (*cur && isspace(*cur)) - { - cur++; - } - switch ((long)data) { case LED_NOLCD: diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 6dd64d0..348bb7b 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -3912,6 +3912,7 @@ static int add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr) { struct chbk *p_ch; + struct ccw_dev_id dev_id; #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__FUNCTION__); @@ -3921,7 +3922,8 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr) p_ch = &privptr->channel[i]; p_ch->cdev = cdev; snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id); - sscanf(cdev->dev.bus_id+4,"%x",&p_ch->devno); + ccw_device_get_id(cdev, &dev_id); + p_ch->devno = dev_id.devno; if ((p_ch->irb = kmalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) { printk(KERN_WARNING "%s Out of memory in %s for irb\n", p_ch->id,__FUNCTION__); @@ -3955,6 +3957,7 @@ claw_new_device(struct ccwgroup_device *cgdev) struct claw_env *p_env; struct net_device *dev; int ret; + struct ccw_dev_id dev_id; pr_debug("%s() called\n", __FUNCTION__); printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id); @@ -3965,10 +3968,10 @@ claw_new_device(struct ccwgroup_device *cgdev) if (!privptr) return -ENODEV; p_env = privptr->p_env; - sscanf(cgdev->cdev[READ]->dev.bus_id+4,"%x", - &p_env->devno[READ]); - sscanf(cgdev->cdev[WRITE]->dev.bus_id+4,"%x", - &p_env->devno[WRITE]); + ccw_device_get_id(cgdev->cdev[READ], &dev_id); + p_env->devno[READ] = dev_id.devno; + ccw_device_get_id(cgdev->cdev[WRITE], &dev_id); + p_env->devno[WRITE] = dev_id.devno; ret = add_channel(cgdev->cdev[0],0,privptr); if (ret == 0) ret = add_channel(cgdev->cdev[1],1,privptr); diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index c358764..3d28e1a 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -134,18 +134,6 @@ PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ *(((char*)ptr)+28),*(((char*)ptr)+29), \ *(((char*)ptr)+30),*(((char*)ptr)+31)); -static inline void iucv_hex_dump(unsigned char *buf, size_t len) -{ - size_t i; - - for (i = 0; i < len; i++) { - if (i && !(i % 16)) - printk("\n"); - printk("%02x ", *(buf + i)); - } - printk("\n"); -} - #define PRINTK_HEADER " iucv: " /* for debugging */ static struct device_driver netiucv_driver = { @@ -212,7 +200,7 @@ struct iucv_connection { */ static struct list_head iucv_connection_list = LIST_HEAD_INIT(iucv_connection_list); -static rwlock_t iucv_connection_rwlock = RW_LOCK_UNLOCKED; +static DEFINE_RWLOCK(iucv_connection_rwlock); /** * Representation of event-data for the @@ -280,7 +268,7 @@ static u8 iucvMagic[16] = { * * @returns The printable string (static data!!) */ -static inline char *netiucv_printname(char *name) +static char *netiucv_printname(char *name) { static char tmp[9]; char *p = tmp; @@ -1315,7 +1303,8 @@ static int netiucv_tx(struct sk_buff *skb, struct net_device *dev) * and throw away packet. */ if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) { - fsm_event(privptr->fsm, DEV_EVENT_START, dev); + if (!in_atomic()) + fsm_event(privptr->fsm, DEV_EVENT_START, dev); dev_kfree_skb(skb); privptr->stats.tx_dropped++; privptr->stats.tx_errors++; @@ -1729,7 +1718,7 @@ static struct attribute_group netiucv_stat_attr_group = { .attrs = netiucv_stat_attrs, }; -static inline int netiucv_add_files(struct device *dev) +static int netiucv_add_files(struct device *dev) { int ret; @@ -1743,7 +1732,7 @@ static inline int netiucv_add_files(struct device *dev) return ret; } -static inline void netiucv_remove_files(struct device *dev) +static void netiucv_remove_files(struct device *dev) { IUCV_DBF_TEXT(trace, 3, __FUNCTION__); sysfs_remove_group(&dev->kobj, &netiucv_stat_attr_group); diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index 4640f32..70108fb 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -424,8 +424,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, /* prepare qdio hdr */ if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){ eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN + - eddp->nhl + eddp->thl - - sizeof(struct qeth_hdr); + eddp->nhl + eddp->thl; #ifdef CONFIG_QETH_VLAN if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) eddp->qh.hdr.l2.pkt_length += VLAN_HLEN; diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 0b96d49..86b0c44 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -986,15 +986,15 @@ qeth_recover(void *ptr) card->use_hard_stop = 1; __qeth_set_offline(card->gdev,1); rc = __qeth_set_online(card->gdev,1); + /* don't run another scheduled recovery */ + qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); + qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); if (!rc) PRINT_INFO("Device %s successfully recovered!\n", CARD_BUS_ID(card)); else PRINT_INFO("Device %s could not be recovered!\n", CARD_BUS_ID(card)); - /* don't run another scheduled recovery */ - qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); - qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); return 0; } @@ -2176,13 +2176,6 @@ qeth_ulp_enable(struct qeth_card *card) } -static inline __u16 -__raw_devno_from_bus_id(char *id) -{ - id += (strlen(id) - 4); - return (__u16) simple_strtoul(id, &id, 16); -} - static int qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) @@ -2205,6 +2198,7 @@ qeth_ulp_setup(struct qeth_card *card) int rc; __u16 temp; struct qeth_cmd_buffer *iob; + struct ccw_dev_id dev_id; QETH_DBF_TEXT(setup,2,"ulpsetup"); @@ -2218,8 +2212,8 @@ qeth_ulp_setup(struct qeth_card *card) memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); - temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card)); - memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2); + ccw_device_get_id(CARD_DDEV(card), &dev_id); + memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2); temp = (card->info.cula << 8) + card->info.unit_addr2; memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, @@ -5850,9 +5844,9 @@ qeth_add_vlan_mc6(struct qeth_card *card) in_dev = in6_dev_get(netdev); if (!in_dev) continue; - read_lock(&in_dev->lock); + read_lock_bh(&in_dev->lock); qeth_add_mc6(card,in_dev); - read_unlock(&in_dev->lock); + read_unlock_bh(&in_dev->lock); in6_dev_put(in_dev); } #endif /* CONFIG_QETH_VLAN */ @@ -5869,10 +5863,10 @@ qeth_add_multicast_ipv6(struct qeth_card *card) in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; - read_lock(&in6_dev->lock); + read_lock_bh(&in6_dev->lock); qeth_add_mc6(card, in6_dev); qeth_add_vlan_mc6(card); - read_unlock(&in6_dev->lock); + read_unlock_bh(&in6_dev->lock); in6_dev_put(in6_dev); } #endif /* CONFIG_QETH_IPV6 */ @@ -7476,11 +7470,11 @@ qeth_softsetup_card(struct qeth_card *card) QETH_DBF_TEXT_(setup, 2, "1err%d", rc); if (rc == 0xe080){ PRINT_WARN("LAN on card %s if offline! " - "Continuing softsetup.\n", + "Waiting for STARTLAN from card.\n", CARD_BUS_ID(card)); card->lan_online = 0; - } else - return rc; + } + return rc; } else card->lan_online = 1; if (card->info.type==QETH_CARD_TYPE_OSN) @@ -7797,15 +7791,17 @@ qeth_print_status_message(struct qeth_card *card) } /* fallthrough */ case QETH_CARD_TYPE_IQD: - card->info.mcl_level[0] = (char) _ebcasc[(__u8) - card->info.mcl_level[0]]; - card->info.mcl_level[1] = (char) _ebcasc[(__u8) - card->info.mcl_level[1]]; - card->info.mcl_level[2] = (char) _ebcasc[(__u8) - card->info.mcl_level[2]]; - card->info.mcl_level[3] = (char) _ebcasc[(__u8) - card->info.mcl_level[3]]; - card->info.mcl_level[QETH_MCL_LENGTH] = 0; + if (card->info.guestlan) { + card->info.mcl_level[0] = (char) _ebcasc[(__u8) + card->info.mcl_level[0]]; + card->info.mcl_level[1] = (char) _ebcasc[(__u8) + card->info.mcl_level[1]]; + card->info.mcl_level[2] = (char) _ebcasc[(__u8) + card->info.mcl_level[2]]; + card->info.mcl_level[3] = (char) _ebcasc[(__u8) + card->info.mcl_level[3]]; + card->info.mcl_level[QETH_MCL_LENGTH] = 0; + } break; default: memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); diff --git a/include/asm-parisc/system.h b/include/asm-parisc/system.h index 7e9afa7..21fbfc5 100644 --- a/include/asm-parisc/system.h +++ b/include/asm-parisc/system.h @@ -188,7 +188,6 @@ static inline void set_eiem(unsigned long val) # define __lock_aligned __attribute__((__section__(".data.lock_aligned"))) #endif -#define KERNEL_START (0x10100000 - 0x1000) #define arch_align_stack(x) (x) #endif diff --git a/include/linux/mm.h b/include/linux/mm.h index e4183c6..1c12074 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -603,6 +603,10 @@ static inline struct address_space *page_mapping(struct page *page) if (unlikely(PageSwapCache(page))) mapping = &swapper_space; +#ifdef CONFIG_SLUB + else if (unlikely(PageSlab(page))) + mapping = NULL; +#endif else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON)) mapping = NULL; return mapping; diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 588c99d..329ce01 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -353,9 +353,40 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer) * it should be restarted. */ if (timr->it.real.interval.tv64 != 0) { + ktime_t now = hrtimer_cb_get_time(timer); + + /* + * FIXME: What we really want, is to stop this + * timer completely and restart it in case the + * SIG_IGN is removed. This is a non trivial + * change which involves sighand locking + * (sigh !), which we don't want to do late in + * the release cycle. + * + * For now we just let timers with an interval + * less than a jiffie expire every jiffie to + * avoid softirq starvation in case of SIG_IGN + * and a very small interval, which would put + * the timer right back on the softirq pending + * list. By moving now ahead of time we trick + * hrtimer_forward() to expire the timer + * later, while we still maintain the overrun + * accuracy, but have some inconsistency in + * the timer_gettime() case. This is at least + * better than a starved softirq. A more + * complex fix which solves also another related + * inconsistency is already in the pipeline. + */ +#ifdef CONFIG_HIGH_RES_TIMERS + { + ktime_t kj = ktime_set(0, NSEC_PER_SEC / HZ); + + if (timr->it.real.interval.tv64 < kj.tv64) + now = ktime_add(now, kj); + } +#endif timr->it_overrun += - hrtimer_forward(timer, - hrtimer_cb_get_time(timer), + hrtimer_forward(timer, now, timr->it.real.interval); ret = HRTIMER_RESTART; ++timr->it_requeue_pending; @@ -1536,9 +1536,14 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) * vma->vm_start/vm_end cannot change under us because the caller * is required to hold the mmap_sem in read mode. We need the * anon_vma lock to serialize against concurrent expand_stacks. + * Also guard against wrapping around to address 0. */ - address += 4 + PAGE_SIZE - 1; - address &= PAGE_MASK; + if (address < PAGE_ALIGN(address+4)) + address = PAGE_ALIGN(address+4); + else { + anon_vma_unlock(vma); + return -ENOMEM; + } error = 0; /* Somebody else might have raced and expanded it already */ diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c index 7ea2d98..356f067 100644 --- a/net/ipv4/ipvs/ip_vs_sync.c +++ b/net/ipv4/ipvs/ip_vs_sync.c @@ -67,6 +67,11 @@ struct ip_vs_sync_conn_options { struct ip_vs_seq out_seq; /* outgoing seq. struct */ }; +struct ip_vs_sync_thread_data { + struct completion *startup; + int state; +}; + #define IP_VS_SYNC_CONN_TIMEOUT (3*60*HZ) #define SIMPLE_CONN_SIZE (sizeof(struct ip_vs_sync_conn)) #define FULL_CONN_SIZE \ @@ -751,6 +756,7 @@ static int sync_thread(void *startup) mm_segment_t oldmm; int state; const char *name; + struct ip_vs_sync_thread_data *tinfo = startup; /* increase the module use count */ ip_vs_use_count_inc(); @@ -789,7 +795,14 @@ static int sync_thread(void *startup) add_wait_queue(&sync_wait, &wait); set_sync_pid(state, current->pid); - complete((struct completion *)startup); + complete(tinfo->startup); + + /* + * once we call the completion queue above, we should + * null out that reference, since its allocated on the + * stack of the creating kernel thread + */ + tinfo->startup = NULL; /* processing master/backup loop here */ if (state == IP_VS_STATE_MASTER) @@ -801,6 +814,14 @@ static int sync_thread(void *startup) remove_wait_queue(&sync_wait, &wait); /* thread exits */ + + /* + * If we weren't explicitly stopped, then we + * exited in error, and should undo our state + */ + if ((!stop_master_sync) && (!stop_backup_sync)) + ip_vs_sync_state -= tinfo->state; + set_sync_pid(state, 0); IP_VS_INFO("sync thread stopped!\n"); @@ -812,6 +833,11 @@ static int sync_thread(void *startup) set_stop_sync(state, 0); wake_up(&stop_sync_wait); + /* + * we need to free the structure that was allocated + * for us in start_sync_thread + */ + kfree(tinfo); return 0; } @@ -838,11 +864,19 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid) { DECLARE_COMPLETION_ONSTACK(startup); pid_t pid; + struct ip_vs_sync_thread_data *tinfo; if ((state == IP_VS_STATE_MASTER && sync_master_pid) || (state == IP_VS_STATE_BACKUP && sync_backup_pid)) return -EEXIST; + /* + * Note that tinfo will be freed in sync_thread on exit + */ + tinfo = kmalloc(sizeof(struct ip_vs_sync_thread_data), GFP_KERNEL); + if (!tinfo) + return -ENOMEM; + IP_VS_DBG(7, "%s: pid %d\n", __FUNCTION__, current->pid); IP_VS_DBG(7, "Each ip_vs_sync_conn entry need %Zd bytes\n", sizeof(struct ip_vs_sync_conn)); @@ -858,8 +892,11 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid) ip_vs_backup_syncid = syncid; } + tinfo->state = state; + tinfo->startup = &startup; + repeat: - if ((pid = kernel_thread(fork_sync_thread, &startup, 0)) < 0) { + if ((pid = kernel_thread(fork_sync_thread, tinfo, 0)) < 0) { IP_VS_ERR("could not create fork_sync_thread due to %d... " "retrying.\n", pid); msleep_interruptible(1000); diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c index 591c442..cc9102c 100644 --- a/net/rxrpc/ar-output.c +++ b/net/rxrpc/ar-output.c @@ -640,6 +640,7 @@ static int rxrpc_send_data(struct kiocb *iocb, goto efault; sp->remain -= copy; skb->mark += copy; + copied += copy; len -= copy; segment -= copy; @@ -709,6 +710,8 @@ static int rxrpc_send_data(struct kiocb *iocb, } while (segment > 0); +success: + ret = copied; out: call->tx_pending = skb; _leave(" = %d", ret); @@ -725,7 +728,7 @@ call_aborted: maybe_error: if (copied) - ret = copied; + goto success; goto out; efault: diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 85f3f43..dfacb9c 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1729,7 +1729,7 @@ int xfrm_state_mtu(struct xfrm_state *x, int mtu) x->type && x->type->get_mtu) res = x->type->get_mtu(x, mtu); else - res = mtu; + res = mtu - x->props.header_len; spin_unlock_bh(&x->lock); return res; } |
