diff options
48 files changed, 378 insertions, 275 deletions
diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h index e9e0bb5a23b..06c5c7a4afd 100644 --- a/arch/alpha/include/asm/percpu.h +++ b/arch/alpha/include/asm/percpu.h @@ -1,7 +1,9 @@ #ifndef __ALPHA_PERCPU_H #define __ALPHA_PERCPU_H + #include <linux/compiler.h> #include <linux/threads.h> +#include <linux/percpu-defs.h> /* * Determine the real variable name from the name visible in the @@ -73,6 +75,28 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #endif /* SMP */ -#include <asm-generic/percpu.h> +#ifdef CONFIG_SMP +#define PER_CPU_BASE_SECTION ".data.percpu" +#else +#define PER_CPU_BASE_SECTION ".data" +#endif + +#ifdef CONFIG_SMP + +#ifdef MODULE +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#else +#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned" +#endif +#define PER_CPU_FIRST_SECTION ".first" + +#else + +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#define PER_CPU_FIRST_SECTION "" + +#endif + +#define PER_CPU_ATTRIBUTES #endif /* __ALPHA_PERCPU_H */ diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1821c207819..1f8510c51d6 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -411,7 +411,6 @@ static __init int svm_hardware_setup(void) iopm_va = page_address(iopm_pages); memset(iopm_va, 0xff, PAGE_SIZE * (1 << IOPM_ALLOC_ORDER)); - clear_bit(0x80, iopm_va); /* allow direct access to PC debug port */ iopm_base = page_to_pfn(iopm_pages) << PAGE_SHIFT; if (boot_cpu_has(X86_FEATURE_NX)) @@ -796,6 +795,11 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, var->db = (s->attrib >> SVM_SELECTOR_DB_SHIFT) & 1; var->g = (s->attrib >> SVM_SELECTOR_G_SHIFT) & 1; + /* AMD's VMCB does not have an explicit unusable field, so emulate it + * for cross vendor migration purposes by "not present" + */ + var->unusable = !var->present || (var->type == 0); + switch (seg) { case VCPU_SREG_CS: /* @@ -827,8 +831,6 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, var->type |= 0x1; break; } - - var->unusable = !var->present; } static int svm_get_cpl(struct kvm_vcpu *vcpu) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7c1ce5ac613..49079a46687 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1121,9 +1121,9 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) static int is_efer_nx(void) { - u64 efer; + unsigned long long efer = 0; - rdmsrl(MSR_EFER, efer); + rdmsrl_safe(MSR_EFER, &efer); return efer & EFER_NX; } @@ -1259,7 +1259,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) | bit(X86_FEATURE_MMX) | bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_SYSCALL) | - (bit(X86_FEATURE_NX) && is_efer_nx()) | + (is_efer_nx() ? bit(X86_FEATURE_NX) : 0) | #ifdef CONFIG_X86_64 bit(X86_FEATURE_LM) | #endif diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 92438e9dacc..5a87384ea4f 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -804,11 +804,14 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE); dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | + DMA_COMPL_SRC_UNMAP_SINGLE | + DMA_COMPL_DEST_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -850,11 +853,12 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -898,12 +902,13 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE); diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index a27c0fb1bc1..fb7da5141e9 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -531,9 +531,7 @@ static int __init dmatest_init(void) chan = dma_request_channel(mask, filter, NULL); if (chan) { err = dmatest_add_channel(chan); - if (err == 0) - continue; - else { + if (err) { dma_release_channel(chan); break; /* add_channel failed, punt */ } diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index e4fc33c1c32..1955ee8d6d2 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -1063,22 +1063,31 @@ static void ioat_dma_cleanup_tasklet(unsigned long data) static void ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc) { - /* - * yes we are unmapping both _page and _single - * alloc'd regions with unmap_page. Is this - * *really* that bad? - */ - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, dst), - pci_unmap_len(desc, len), - PCI_DMA_FROMDEVICE); - - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, src), - pci_unmap_len(desc, len), - PCI_DMA_TODEVICE); + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + } + + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + } } /** @@ -1363,6 +1372,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device) int err = 0; struct completion cmp; unsigned long tmo; + unsigned long flags; src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!src) @@ -1392,8 +1402,9 @@ static int ioat_dma_self_test(struct ioatdma_device *device) DMA_TO_DEVICE); dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, - IOAT_TEST_SIZE, 0); + IOAT_TEST_SIZE, flags); if (!tx) { dev_err(&device->pdev->dev, "Self-test prep failed, disabling\n"); diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index e202a6ce557..9a5bc1a7389 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1272,7 +1272,8 @@ static irqreturn_t idmac_interrupt(int irq, void *dev_id) /* Other interrupts do not interfere with this channel */ spin_lock(&ichan->lock); if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 && - ((curbuf >> chan_id) & 1) == ichan->active_buffer)) { + ((curbuf >> chan_id) & 1) == ichan->active_buffer && + !list_is_last(ichan->queue.next, &ichan->queue))) { int i = 100; /* This doesn't help. See comment in ipu_disable_channel() */ @@ -1547,7 +1548,7 @@ static irqreturn_t ic_sof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got SOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } @@ -1556,7 +1557,7 @@ static irqreturn_t ic_eof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got EOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 3a22eb9be37..17b24c580c0 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -71,6 +71,7 @@ config DRM_I915 select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select FB + select FRAMEBUFFER_CONSOLE if !EMBEDDED tristate "i915 driver" help Choose this option if you have a system that has Intel 830M, 845G, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index aa1b995dd03..4d5ee2bbc62 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -113,6 +113,11 @@ #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 +#define USB_VENDOR_ID_CH 0x068e +#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2 +#define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4 +#define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff + #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 900ce18dd54..ac8049b5f1e 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -898,7 +898,7 @@ static int usbhid_parse(struct hid_device *hid) goto err; } - hid->quirks = quirks; + hid->quirks |= quirks; return 0; err: diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 4391717d251..d8f7423f363 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -50,6 +50,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a48c8aee021..f1c6ca7e285 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -467,7 +467,7 @@ config I2C_PXA_SLAVE config I2C_S3C2410 tristate "S3C2410 I2C Driver" - depends on ARCH_S3C2410 + depends on ARCH_S3C2410 || ARCH_S3C64XX help Say Y here to include support for I2C controller in the Samsung S3C2410 based System-on-Chip devices. diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 3fcf78e906d..b5db8b88361 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -531,16 +531,16 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) rbdf = cpm->rbase; for (i = 0; i < CPM_MAXBD; i++) { - cpm->rxbuf[i] = dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->rxdma[i], GFP_KERNEL); + cpm->rxbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev, + CPM_MAX_READ + 1, + &cpm->rxdma[i], GFP_KERNEL); if (!cpm->rxbuf[i]) { ret = -ENOMEM; goto out_muram; } out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1)); - cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); + cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); if (!cpm->txbuf[i]) { ret = -ENOMEM; goto out_muram; @@ -585,10 +585,10 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) out_muram: for (i = 0; i < CPM_MAXBD; i++) { if (cpm->rxbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); if (cpm->txbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } cpm_muram_free(cpm->dp_addr); @@ -619,9 +619,9 @@ static void cpm_i2c_shutdown(struct cpm_i2c *cpm) /* Free all memory */ for (i = 0; i < CPM_MAXBD; i++) { - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 4af5c09f0e8..dd778d7ae04 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -164,7 +164,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) return 0; } -#ifdef CONFIG_PPC_52xx +#ifdef CONFIG_PPC_MPC52xx static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, {28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02}, @@ -188,7 +188,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) { - const struct mpc52xx_i2c_divider *div = NULL; + const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); u32 divider; int i; @@ -203,7 +203,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) * We want to choose an FDR/DFSR that generates an I2C bus speed that * is equal to or lower than the requested speed. */ - for (i = 0; i < ARRAY_SIZE(mpc52xx_i2c_dividers); i++) { + for (i = 0; i < ARRAY_SIZE(mpc_i2c_dividers_52xx); i++) { div = &mpc_i2c_dividers_52xx[i]; /* Old MPC5200 rev A CPUs do not support the high bits */ if (div->fdr & 0xc0 && pvr == 0x80822011) @@ -219,20 +219,23 @@ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc52xx_i2c_get_fdr(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */ - if (fdr < 0) - fdr = 0x3f; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); - dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); } -#else /* !CONFIG_PPC_52xx */ +#else /* !CONFIG_PPC_MPC52xx */ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { } -#endif /* CONFIG_PPC_52xx*/ +#endif /* CONFIG_PPC_MPC52xx*/ #ifdef CONFIG_FSL_SOC static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = { @@ -321,14 +324,17 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */ - if (fdr < 0) - fdr = 0x1031; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); writeb((fdr >> 8) & 0xff, i2c->base + MPC_I2C_DFSRR); - dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", - clock, fdr >> 8, fdr & 0xff); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", + clock, fdr >> 8, fdr & 0xff); } #else /* !CONFIG_FSL_SOC */ diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index c1405c8f6ba..acc7143d965 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) + if (timeout < 0) show_state(i2c); - return timeout <= 0 ? I2C_RETRY : 0; + return timeout < 0 ? I2C_RETRY : 0; } static int i2c_pxa_wait_master(struct pxa_i2c *i2c) @@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) { + if (timeout < 0) { show_state(i2c); dev_err(&i2c->adap.dev, "i2c_pxa: timeout waiting for bus free\n"); diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 8d71086f5a1..62f9cf2f94e 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -410,6 +410,7 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) ptr = wq->sq_rptr + count; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); while (ptr != wq->sq_wptr) { + sqp->signaled = 0; insert_sq_cqe(wq, cq, sqp); ptr++; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 9974e886b8d..8a7dd6795fa 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -86,6 +86,7 @@ struct mlx4_ib_mr { struct mlx4_ib_fast_reg_page_list { struct ib_fast_reg_page_list ibfrpl; + __be64 *mapped_page_list; dma_addr_t map; }; diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 8e4d26d56a9..8f3666b20ea 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -231,7 +231,11 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device if (!mfrpl) return ERR_PTR(-ENOMEM); - mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev, + mfrpl->ibfrpl.page_list = kmalloc(size, GFP_KERNEL); + if (!mfrpl->ibfrpl.page_list) + goto err_free; + + mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev, size, &mfrpl->map, GFP_KERNEL); if (!mfrpl->ibfrpl.page_list) @@ -242,6 +246,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device return &mfrpl->ibfrpl; err_free: + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); return ERR_PTR(-ENOMEM); } @@ -252,8 +257,9 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list) struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list); int size = page_list->max_page_list_len * sizeof (u64); - dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list, + dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list, mfrpl->map); + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); } diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index f385a24d31d..20724aee76f 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1365,7 +1365,7 @@ static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr) int i; for (i = 0; i < wr->wr.fast_reg.page_list_len; ++i) - wr->wr.fast_reg.page_list->page_list[i] = + mfrpl->mapped_page_list[i] = cpu_to_be64(wr->wr.fast_reg.page_list->page_list[i] | MLX4_MTT_FLAG_PRESENT); diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index bc4e40f3ede..2d1415e1683 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -226,7 +226,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type) */ static void ml_combine_effects(struct ff_effect *effect, struct ml_effect_state *state, - int gain) + unsigned int gain) { struct ff_effect *new = state->effect; unsigned int strong, weak, i; diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 4224f011284..012a5e75399 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -843,7 +843,13 @@ static const struct input_device_id joydev_blacklist[] = { INPUT_DEVICE_ID_MATCH_KEYBIT, .evbit = { BIT_MASK(EV_KEY) }, .keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) }, - }, /* Avoid itouchpads, touchscreens and tablets */ + }, /* Avoid itouchpads and touchscreens */ + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT | + INPUT_DEVICE_ID_MATCH_KEYBIT, + .evbit = { BIT_MASK(EV_KEY) }, + .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) }, + }, /* Avoid tablets, digitisers and similar devices */ { } /* Terminating entry */ }; diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 444dec07e5d..df3f8aa6811 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -895,6 +895,13 @@ static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = { }; /* + * Amilo Xi 3650 key release for light touch bar not working + */ +static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { + 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U +}; + +/* * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set */ @@ -1560,6 +1567,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { .callback = atkbd_setup_forced_release, .driver_data = atkbd_amilo_pa1510_forced_release_keys, }, + { + .ident = "Fujitsu Amilo Xi 3650", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_amilo_xi3650_forced_release_keys, + }, { } }; diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 536668fbda2..948e167557f 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -200,8 +200,9 @@ static int tsc2007_read_values(struct tsc2007 *tsc) static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) { struct tsc2007 *ts = container_of(handle, struct tsc2007, timer); + unsigned long flags; - spin_lock_irq(&ts->lock); + spin_lock_irqsave(&ts->lock, flags); if (unlikely(!ts->get_pendown_state() && ts->pendown)) { struct input_dev *input = ts->input; @@ -222,7 +223,7 @@ static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) tsc2007_send_event(ts); } - spin_unlock_irq(&ts->lock); + spin_unlock_irqrestore(&ts->lock, flags); return HRTIMER_NORESTART; } diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c index 7942c4d3cd8..9ee873e872b 100644 --- a/drivers/net/mlx4/en_rx.c +++ b/drivers/net/mlx4/en_rx.c @@ -951,7 +951,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, if (err) { mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn); goto out; - return err; } qp->event = mlx4_en_sqp_event; diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c index a6341e4f9a0..9c8c70c497d 100644 --- a/drivers/rtc/rtc-twl4030.c +++ b/drivers/rtc/rtc-twl4030.c @@ -495,9 +495,7 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state) { irqstat = rtc_irq_bits; - /* REVISIT alarm may need to wake us from sleep */ - mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M | - BIT_RTC_INTERRUPTS_REG_IT_ALARM_M); + mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M); return 0; } diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 885194a0741..3f3c08c6ba4 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -1373,6 +1373,9 @@ static void cleanup(struct spi_device *spi) { struct chip_data *chip = spi_get_ctldata(spi); + if (!chip) + return; + if (gpio_is_valid(chip->gpio_cs)) gpio_free(chip->gpio_cs); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 7826bdce4bb..0048f1185a6 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1128,13 +1128,6 @@ config FB_INTEL 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets. Say Y if you have and plan to use such a board. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - To compile this driver as a module, choose M here: the module will be called intelfb. @@ -1207,11 +1200,10 @@ config FB_MATROX_G pixel and 32 bpp packed pixel. You can also use font widths different from 8. - If you need support for G400 secondary head, you must first say Y to - "I2C support" in the character devices section, and then to - "Matrox I2C support" and "G400 second head support" here in the - framebuffer section. G450/G550 secondary head and digital output - are supported without additional modules. + If you need support for G400 secondary head, you must say Y to + "Matrox I2C support" and "G400 second head support" right below. + G450/G550 secondary head and digital output are supported without + additional modules. The driver starts in monitor mode. You must use the matroxset tool (available at <ftp://platan.vc.cvut.cz/pub/linux/matrox-latest/>) to @@ -1310,13 +1302,6 @@ config FB_RADEON a framebuffer device. There are both PCI and AGP versions. You don't need to choose this to run the Radeon in plain VGA mode. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - There is a product page at http://apps.ati.com/ATIcompare/ diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index e327b84820d..a0fec298216 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -2103,7 +2103,7 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) static int __devinit via_pci_probe(void) { - unsigned int default_xres, default_yres; + unsigned long default_xres, default_yres; char *tmpc, *tmpm; char *tmpc_sec, *tmpm_sec; int vmode_index; @@ -2196,8 +2196,8 @@ static int __devinit via_pci_probe(void) viafb_FB_MM = viaparinfo->fbmem_virt; tmpm = viafb_mode; tmpc = strsep(&tmpm, "x"); - strict_strtoul(tmpc, 0, (unsigned long *)&default_xres); - strict_strtoul(tmpm, 0, (unsigned long *)&default_yres); + strict_strtoul(tmpc, 0, &default_xres); + strict_strtoul(tmpm, 0, &default_yres); vmode_index = viafb_get_mode_index(default_xres, default_yres, 0); DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index a89f370fadb..5458e80fc55 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1212,7 +1212,7 @@ SYSCALL_DEFINE1(epoll_create1, int, flags) SYSCALL_DEFINE1(epoll_create, int, size) { - if (size < 0) + if (size <= 0) return -EINVAL; return sys_epoll_create1(0); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d1bc4d33ccb..91f7c85f1ff 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -911,6 +911,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) err_put_root: dput(root_dentry); err_put_conn: + bdi_destroy(&fc->bdi); fuse_conn_put(fc); err_fput: fput(file); diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 153d9681192..c1462d43e72 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -312,16 +312,6 @@ out: return retval; } -/* - * Read a page. Again trivial. If it didn't already exist - * in the page cache, it is zero-filled. - */ -static int hugetlbfs_readpage(struct file *file, struct page * page) -{ - unlock_page(page); - return -EINVAL; -} - static int hugetlbfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, @@ -701,7 +691,6 @@ static void hugetlbfs_destroy_inode(struct inode *inode) } static const struct address_space_operations hugetlbfs_aops = { - .readpage = hugetlbfs_readpage, .write_begin = hugetlbfs_write_begin, .write_end = hugetlbfs_write_end, .set_page_dirty = hugetlbfs_set_page_dirty, diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index abf83881f68..1a54ae14a19 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -104,6 +104,16 @@ static void set_grace_period(void) schedule_delayed_work(&grace_period_end, grace_period); } +static void restart_grace(void) +{ + if (nlmsvc_ops) { + cancel_delayed_work_sync(&grace_period_end); + locks_end_grace(&lockd_manager); + nlmsvc_invalidate_all(); + set_grace_period(); + } +} + /* * This is the lockd kernel thread */ @@ -149,10 +159,7 @@ lockd(void *vrqstp) if (signalled()) { flush_signals(current); - if (nlmsvc_ops) { - nlmsvc_invalidate_all(); - set_grace_period(); - } + restart_grace(); continue; } diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 5275097a756..b5348405046 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -229,7 +229,7 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f) goto out; status = vfs_readdir(filp, nfsd4_build_namelist, &names); fput(filp); - mutex_lock(&dir->d_inode->i_mutex); + mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); while (!list_empty(&names)) { entry = list_entry(names.next, struct name_list, list); @@ -264,7 +264,7 @@ nfsd4_unlink_clid_dir(char *name, int namlen) dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name); - mutex_lock(&rec_dir.dentry->d_inode->i_mutex); + mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT); dentry = lookup_one_len(name, rec_dir.dentry, namlen); if (IS_ERR(dentry)) { status = PTR_ERR(dentry); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index c65a27b76a9..3b711f5147a 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -580,7 +580,6 @@ free_session(struct kref *kref) struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry; nfsd4_release_respages(e->ce_respages, e->ce_resused); } - kfree(ses->se_slots); kfree(ses); } diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index b820c311931..b73549d293b 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2214,6 +2214,15 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd, dentry = lookup_one_len(name, cd->rd_fhp->fh_dentry, namlen); if (IS_ERR(dentry)) return nfserrno(PTR_ERR(dentry)); + if (!dentry->d_inode) { + /* + * nfsd_buffered_readdir drops the i_mutex between + * readdir and calling this callback, leaving a window + * where this directory entry could have gone away. + */ + dput(dentry); + return nfserr_noent; + } exp_get(exp); /* @@ -2276,6 +2285,7 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, struct nfsd4_readdir *cd = container_of(ccd, struct nfsd4_readdir, common); int buflen; __be32 *p = cd->buffer; + __be32 *cookiep; __be32 nfserr = nfserr_toosmall; /* In nfsv4, "." and ".." never make it onto the wire.. */ @@ -2292,7 +2302,7 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, goto fail; *p++ = xdr_one; /* mark entry present */ - cd->offset = p; /* remember pointer */ + cookiep = p; p = xdr_encode_hyper(p, NFS_OFFSET_MAX); /* offset of next entry */ p = xdr_encode_array(p, name, namlen); /* name length & name */ @@ -2306,6 +2316,8 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, goto fail; case nfserr_dropit: goto fail; + case nfserr_noent: + goto skip_entry; default: /* * If the client requested the RDATTR_ERROR attribute, @@ -2324,6 +2336,8 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, } cd->buflen -= (p - cd->buffer); cd->buffer = p; + cd->offset = cookiep; +skip_entry: cd->common.err = nfs_ok; return 0; fail: diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 108d281ebca..50ff3f2cdf2 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -25,6 +25,7 @@ #include <linux/smp_lock.h> /* lock_kernel(), unlock_kernel() */ #include <linux/capability.h> /* capable() */ #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ +#include <linux/vmalloc.h> #include <linux/nilfs2_fs.h> #include "nilfs.h" #include "segment.h" @@ -147,29 +148,12 @@ static ssize_t nilfs_ioctl_do_get_cpinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf, - nmembs); -} - -static int nilfs_ioctl_get_cpinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_cpinfo); + ret = nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf, + nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -195,28 +179,11 @@ static ssize_t nilfs_ioctl_do_get_suinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs); -} - -static int nilfs_ioctl_get_suinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_suinfo); + ret = nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -242,28 +209,11 @@ static ssize_t nilfs_ioctl_do_get_vinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs); -} - -static int nilfs_ioctl_get_vinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_vinfo); + ret = nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -276,17 +226,21 @@ nilfs_ioctl_do_get_bdescs(struct the_nilfs *nilfs, __u64 *posp, int flags, struct nilfs_bdesc *bdescs = buf; int ret, i; + down_read(&nilfs->ns_segctor_sem); for (i = 0; i < nmembs; i++) { ret = nilfs_bmap_lookup_at_level(bmap, bdescs[i].bd_offset, bdescs[i].bd_level + 1, &bdescs[i].bd_blocknr); if (ret < 0) { - if (ret != -ENOENT) + if (ret != -ENOENT) { + up_read(&nilfs->ns_segctor_sem); return ret; + } bdescs[i].bd_blocknr = 0; } } + up_read(&nilfs->ns_segctor_sem); return nmembs; } @@ -300,10 +254,11 @@ static int nilfs_ioctl_get_bdescs(struct inode *inode, struct file *filp, if (copy_from_user(&argv, argp, sizeof(argv))) return -EFAULT; - down_read(&nilfs->ns_segctor_sem); + if (argv.v_size != sizeof(struct nilfs_bdesc)) + return -EINVAL; + ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), nilfs_ioctl_do_get_bdescs); - up_read(&nilfs->ns_segctor_sem); if (ret < 0) return ret; @@ -346,10 +301,10 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode, return 0; } -static ssize_t -nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) +static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *inode; struct nilfs_vdesc *vdesc; struct buffer_head *bh, *n; @@ -410,19 +365,10 @@ nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags, return ret; } -static inline int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_move_blocks); -} - -static ssize_t -nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp, - int flags, void *buf, size_t size, - size_t nmembs) +static int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *cpfile = nilfs->ns_cpfile; struct nilfs_period *periods = buf; int ret, i; @@ -436,36 +382,21 @@ nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp, return nmembs; } -static inline int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) +static int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_delete_checkpoints); -} + size_t nmembs = argv->v_nmembs; + int ret; -static ssize_t -nilfs_ioctl_do_free_vblocknrs(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) -{ - int ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs); + ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs); return (ret < 0) ? ret : nmembs; } -static inline int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_free_vblocknrs); -} - -static ssize_t -nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp, - int flags, void *buf, size_t size, - size_t nmembs) +static int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *dat = nilfs_dat_inode(nilfs); struct nilfs_bmap *bmap = NILFS_I(dat)->i_bmap; struct nilfs_bdesc *bdescs = buf; @@ -504,55 +435,37 @@ nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp, return nmembs; } -static inline int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) +static int nilfs_ioctl_free_segments(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_mark_blocks_dirty); -} - -static ssize_t -nilfs_ioctl_do_free_segments(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) -{ - struct nilfs_sb_info *sbi = nilfs_get_writer(nilfs); + size_t nmembs = argv->v_nmembs; + struct nilfs_sb_info *sbi = nilfs->ns_writer; int ret; - if (unlikely(!sbi)) + if (unlikely(!sbi)) { + /* never happens because called for a writable mount */ + WARN_ON(1); return -EROFS; + } ret = nilfs_segctor_add_segments_to_be_freed( NILFS_SC(sbi), buf, nmembs); - nilfs_put_writer(nilfs); return (ret < 0) ? ret : nmembs; } -static inline int nilfs_ioctl_free_segments(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_free_segments); -} - int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, - void __user *argp) + struct nilfs_argv *argv, void **kbufs) { - struct nilfs_argv argv[5]; const char *msg; - int dir, ret; - - if (copy_from_user(argv, argp, sizeof(argv))) - return -EFAULT; + int ret; - dir = _IOC_WRITE; - ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], dir); + ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], kbufs[0]); if (ret < 0) { msg = "cannot read source blocks"; goto failed; } - ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], dir); + + ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], kbufs[1]); if (ret < 0) { /* * can safely abort because checkpoints can be removed @@ -561,7 +474,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot delete checkpoints"; goto failed; } - ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], dir); + ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], kbufs[2]); if (ret < 0) { /* * can safely abort because DAT file is updated atomically @@ -570,7 +483,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot delete virtual blocks from DAT file"; goto failed; } - ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], dir); + ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], kbufs[3]); if (ret < 0) { /* * can safely abort because the operation is nondestructive. @@ -578,7 +491,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot mark copying blocks dirty"; goto failed; } - ret = nilfs_ioctl_free_segments(nilfs, &argv[4], dir); + ret = nilfs_ioctl_free_segments(nilfs, &argv[4], kbufs[4]); if (ret < 0) { /* * can safely abort because this operation is atomic. @@ -598,9 +511,75 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { + struct nilfs_argv argv[5]; + const static size_t argsz[5] = { + sizeof(struct nilfs_vdesc), + sizeof(struct nilfs_period), + sizeof(__u64), + sizeof(struct nilfs_bdesc), + sizeof(__u64), + }; + void __user *base; + void *kbufs[5]; + struct the_nilfs *nilfs; + size_t len, nsegs; + int n, ret; + if (!capable(CAP_SYS_ADMIN)) return -EPERM; - return nilfs_clean_segments(inode->i_sb, argp); + + if (copy_from_user(argv, argp, sizeof(argv))) + return -EFAULT; + + nsegs = argv[4].v_nmembs; + if (argv[4].v_size != argsz[4]) + return -EINVAL; + /* + * argv[4] points to segment numbers this ioctl cleans. We + * use kmalloc() for its buffer because memory used for the + * segment numbers is enough small. + */ + kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base, + nsegs * sizeof(__u64)); + if (IS_ERR(kbufs[4])) + return PTR_ERR(kbufs[4]); + + nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + + for (n = 0; n < 4; n++) { + ret = -EINVAL; + if (argv[n].v_size != argsz[n]) + goto out_free; + + if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment) + goto out_free; + + len = argv[n].v_size * argv[n].v_nmembs; + base = (void __user *)(unsigned long)argv[n].v_base; + if (len == 0) { + kbufs[n] = NULL; + continue; + } + + kbufs[n] = vmalloc(len); + if (!kbufs[n]) { + ret = -ENOMEM; + goto out_free; + } + if (copy_from_user(kbufs[n], base, len)) { + ret = -EFAULT; + vfree(kbufs[n]); + goto out_free; + } + } + + ret = nilfs_clean_segments(inode->i_sb, argv, kbufs); + + out_free: + while (--n > 0) + vfree(kbufs[n]); + kfree(kbufs[4]); + return ret; } static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, @@ -621,6 +600,33 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, return 0; } +static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp, + unsigned int cmd, void __user *argp, + size_t membsz, + ssize_t (*dofunc)(struct the_nilfs *, + __u64 *, int, + void *, size_t, size_t)) + +{ + struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct nilfs_argv argv; + int ret; + + if (copy_from_user(&argv, argp, sizeof(argv))) + return -EFAULT; + + if (argv.v_size != membsz) + return -EINVAL; + + ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), dofunc); + if (ret < 0) + return ret; + + if (copy_to_user(argp, &argv, sizeof(argv))) + ret = -EFAULT; + return ret; +} + long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct inode *inode = filp->f_dentry->d_inode; @@ -632,16 +638,21 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case NILFS_IOCTL_DELETE_CHECKPOINT: return nilfs_ioctl_delete_checkpoint(inode, filp, cmd, argp); case NILFS_IOCTL_GET_CPINFO: - return nilfs_ioctl_get_cpinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_cpinfo), + nilfs_ioctl_do_get_cpinfo); case NILFS_IOCTL_GET_CPSTAT: return nilfs_ioctl_get_cpstat(inode, filp, cmd, argp); case NILFS_IOCTL_GET_SUINFO: - return nilfs_ioctl_get_suinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_suinfo), + nilfs_ioctl_do_get_suinfo); case NILFS_IOCTL_GET_SUSTAT: return nilfs_ioctl_get_sustat(inode, filp, cmd, argp); case NILFS_IOCTL_GET_VINFO: - /* XXX: rename to ??? */ - return nilfs_ioctl_get_vinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_vinfo), + nilfs_ioctl_do_get_vinfo); case NILFS_IOCTL_GET_BDESCS: return nilfs_ioctl_get_bdescs(inode, filp, cmd, argp); case NILFS_IOCTL_CLEAN_SEGMENTS: diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index 47dd815433f..bb78745a0e3 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -77,19 +77,22 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block, void *)) { struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs; - struct nilfs_sb_info *writer = NULL; struct super_block *sb = inode->i_sb; struct nilfs_transaction_info ti; struct buffer_head *bh; int err; if (!sb) { - writer = nilfs_get_writer(nilfs); - if (!writer) { + /* + * Make sure this function is not called from any + * read-only context. + */ + if (!nilfs->ns_writer) { + WARN_ON(1); err = -EROFS; goto out; } - sb = writer->s_super; + sb = nilfs->ns_writer->s_super; } nilfs_transaction_begin(sb, &ti, 0); @@ -127,8 +130,6 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block, err = nilfs_transaction_commit(sb); else nilfs_transaction_abort(sb); - if (writer) - nilfs_put_writer(nilfs); out: return err; } @@ -299,7 +300,7 @@ int nilfs_mdt_delete_block(struct inode *inode, unsigned long block) int err; err = nilfs_bmap_delete(ii->i_bmap, block); - if (likely(!err)) { + if (!err || err == -ENOENT) { nilfs_mdt_mark_dirty(inode); nilfs_mdt_forget_block(inode, block); } diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 3d0c18a16db..da6fc0bba2e 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -236,7 +236,8 @@ extern int nilfs_sync_file(struct file *, struct dentry *, int); /* ioctl.c */ long nilfs_ioctl(struct file *, unsigned int, unsigned long); -int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, void __user *); +int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, struct nilfs_argv *, + void **); /* inode.c */ extern struct inode *nilfs_new_inode(struct inode *, int); diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 1bfbba9c0e9..a2692bbc7b5 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -128,7 +128,8 @@ void nilfs_forget_buffer(struct buffer_head *bh) lock_buffer(bh); clear_buffer_nilfs_volatile(bh); - if (test_clear_buffer_dirty(bh) && nilfs_page_buffers_clean(page)) + clear_buffer_dirty(bh); + if (nilfs_page_buffers_clean(page)) __nilfs_clear_page_dirty(page); clear_buffer_uptodate(bh); diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 4fc081e47d7..57afa9d2406 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -407,6 +407,7 @@ void nilfs_dispose_segment_list(struct list_head *head) } static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, + struct nilfs_sb_info *sbi, struct nilfs_recovery_info *ri) { struct list_head *head = &ri->ri_used_segments; @@ -421,6 +422,7 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, segnum[2] = ri->ri_segnum; segnum[3] = ri->ri_nextnum; + nilfs_attach_writer(nilfs, sbi); /* * Releasing the next segment of the latest super root. * The next segment is invalidated by this recovery. @@ -459,10 +461,10 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, nilfs->ns_pseg_offset = 0; nilfs->ns_seg_seq = ri->ri_seq + 2; nilfs->ns_nextnum = nilfs->ns_segnum = segnum[0]; - return 0; failed: /* No need to recover sufile because it will be destroyed on error */ + nilfs_detach_writer(nilfs, sbi); return err; } @@ -728,7 +730,7 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs, goto failed; if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) { - err = nilfs_prepare_segment_for_recovery(nilfs, ri); + err = nilfs_prepare_segment_for_recovery(nilfs, sbi, ri); if (unlikely(err)) { printk(KERN_ERR "NILFS: Error preparing segments for " "recovery.\n"); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index fb70ec3be20..22c7f65c240 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2589,7 +2589,8 @@ nilfs_remove_written_gcinodes(struct the_nilfs *nilfs, struct list_head *head) } } -int nilfs_clean_segments(struct super_block *sb, void __user *argp) +int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv, + void **kbufs) { struct nilfs_sb_info *sbi = NILFS_SB(sb); struct nilfs_sc_info *sci = NILFS_SC(sbi); @@ -2606,7 +2607,7 @@ int nilfs_clean_segments(struct super_block *sb, void __user *argp) err = nilfs_init_gcdat_inode(nilfs); if (unlikely(err)) goto out_unlock; - err = nilfs_ioctl_prepare_clean_segments(nilfs, argp); + err = nilfs_ioctl_prepare_clean_segments(nilfs, argv, kbufs); if (unlikely(err)) goto out_unlock; diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h index a98fc1ed0bb..476bdd5df5b 100644 --- a/fs/nilfs2/segment.h +++ b/fs/nilfs2/segment.h @@ -222,7 +222,8 @@ extern int nilfs_construct_segment(struct super_block *); extern int nilfs_construct_dsync_segment(struct super_block *, struct inode *, loff_t, loff_t); extern void nilfs_flush_segment(struct super_block *, ino_t); -extern int nilfs_clean_segments(struct super_block *, void __user *); +extern int nilfs_clean_segments(struct super_block *, struct nilfs_argv *, + void **); extern int nilfs_segctor_add_segments_to_be_freed(struct nilfs_sc_info *, __u64 *, size_t); diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 2e2aa3df170..ffefba81c81 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -78,12 +78,18 @@ enum dma_transaction_type { * dependency chains * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) * @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s) + * @DMA_COMPL_SRC_UNMAP_SINGLE - set to do the source dma-unmapping as single + * (if not set, do the source dma-unmapping as page) + * @DMA_COMPL_DEST_UNMAP_SINGLE - set to do the destination dma-unmapping as single + * (if not set, do the destination dma-unmapping as page) */ enum dma_ctrl_flags { DMA_PREP_INTERRUPT = (1 << 0), DMA_CTRL_ACK = (1 << 1), DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2), DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3), + DMA_COMPL_SRC_UNMAP_SINGLE = (1 << 4), + DMA_COMPL_DEST_UNMAP_SINGLE = (1 << 5), }; /** diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 40617c1d897..30520844b8d 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -433,6 +433,7 @@ asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); asmlinkage long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg); #endif +asmlinkage long sys_pipe2(int __user *fildes, int flags); asmlinkage long sys_dup(unsigned int fildes); asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); diff --git a/mm/madvise.c b/mm/madvise.c index 36d6ea2b634..b9ce574827c 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -112,14 +112,6 @@ static long madvise_willneed(struct vm_area_struct * vma, if (!file) return -EBADF; - /* - * Page cache readahead assumes page cache pages are order-0 which - * is not the case for hugetlbfs. Do not give a bad return value - * but ignore the advice. - */ - if (vma->vm_flags & VM_HUGETLB) - return 0; - if (file->f_mapping->a_ops->get_xip_mem) { /* no bad return value, but ignore advice */ return 0; diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 629a28764da..42a6f9f2028 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -265,7 +265,7 @@ static int fast_reg_read_chunks(struct svcxprt_rdma *xprt, frmr->page_list->page_list[page_no] = ib_dma_map_single(xprt->sc_cm_id->device, page_address(rqstp->rq_arg.pages[page_no]), - PAGE_SIZE, DMA_TO_DEVICE); + PAGE_SIZE, DMA_FROM_DEVICE); if (ib_dma_mapping_error(xprt->sc_cm_id->device, frmr->page_list->page_list[page_no])) goto fatal_err; diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 6c26a675435..8b510c5e877 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -183,6 +183,7 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt, fatal_err: printk("svcrdma: Error fast registering memory for xprt %p\n", xprt); + vec->frmr = NULL; svc_rdma_put_frmr(xprt, frmr); return -EIO; } @@ -516,6 +517,7 @@ static int send_reply(struct svcxprt_rdma *rdma, "svcrdma: could not post a receive buffer, err=%d." "Closing transport %p.\n", ret, rdma); set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags); + svc_rdma_put_frmr(rdma, vec->frmr); svc_rdma_put_context(ctxt, 0); return -ENOTCONN; } @@ -606,6 +608,7 @@ static int send_reply(struct svcxprt_rdma *rdma, return 0; err: + svc_rdma_unmap_dma(ctxt); svc_rdma_put_frmr(rdma, vec->frmr); svc_rdma_put_context(ctxt, 1); return -EIO; diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 3d810e7df3f..4b0c2fa15e0 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -520,8 +520,9 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt) svc_xprt_get(&xprt->sc_xprt); ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr); if (ret) { - svc_xprt_put(&xprt->sc_xprt); + svc_rdma_unmap_dma(ctxt); svc_rdma_put_context(ctxt, 1); + svc_xprt_put(&xprt->sc_xprt); } return ret; |