diff options
38 files changed, 350 insertions, 108 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 35447e08173..36f63d4a0a0 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -217,8 +217,8 @@ X!Isound/sound_firmware.c <chapter id="uart16x50"> <title>16x50 UART Driver</title> !Iinclude/linux/serial_core.h -!Edrivers/serial/serial_core.c -!Edrivers/serial/8250.c +!Edrivers/tty/serial/serial_core.c +!Edrivers/tty/serial/8250.c </chapter> <chapter id="fbdev"> diff --git a/MAINTAINERS b/MAINTAINERS index 55592f8b672..cf0f3a5c09c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3674,6 +3674,28 @@ F: include/linux/key-type.h F: include/keys/ F: security/keys/ +KEYS-TRUSTED +M: David Safford <safford@watson.ibm.com> +M: Mimi Zohar <zohar@us.ibm.com> +L: linux-security-module@vger.kernel.org +L: keyrings@linux-nfs.org +S: Supported +F: Documentation/keys-trusted-encrypted.txt +F: include/keys/trusted-type.h +F: security/keys/trusted.c +F: security/keys/trusted.h + +KEYS-ENCRYPTED +M: Mimi Zohar <zohar@us.ibm.com> +M: David Safford <safford@watson.ibm.com> +L: linux-security-module@vger.kernel.org +L: keyrings@linux-nfs.org +S: Supported +F: Documentation/keys-trusted-encrypted.txt +F: include/keys/encrypted-type.h +F: security/keys/encrypted.c +F: security/keys/encrypted.h + KGDB / KDB /debug_core M: Jason Wessel <jason.wessel@windriver.com> W: http://kgdb.wiki.kernel.org/ diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 826ab0939a1..fab3d3265ad 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -68,6 +68,7 @@ static struct _intel_private { phys_addr_t gma_bus_addr; u32 PGETBL_save; u32 __iomem *gtt; /* I915G */ + bool clear_fake_agp; /* on first access via agp, fill with scratch */ int num_dcache_entries; union { void __iomem *i9xx_flush_page; @@ -869,21 +870,12 @@ static int intel_fake_agp_free_gatt_table(struct agp_bridge_data *bridge) static int intel_fake_agp_configure(void) { - int i; - if (!intel_enable_gtt()) return -EIO; + intel_private.clear_fake_agp = true; agp_bridge->gart_bus_addr = intel_private.gma_bus_addr; - for (i = 0; i < intel_private.base.gtt_total_entries; i++) { - intel_private.driver->write_entry(intel_private.scratch_page_dma, - i, 0); - } - readl(intel_private.gtt+i-1); /* PCI Posting. */ - - global_cache_flush(); - return 0; } @@ -945,6 +937,13 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem, { int ret = -EINVAL; + if (intel_private.clear_fake_agp) { + int start = intel_private.base.stolen_size / PAGE_SIZE; + int end = intel_private.base.gtt_mappable_entries; + intel_gtt_clear_range(start, end - start); + intel_private.clear_fake_agp = false; + } + if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY) return i810_insert_dcache_entries(mem, pg_start, type); diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 1f46f1cd922..36e0fa161c2 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -364,12 +364,14 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, tpm_protected_ordinal_duration[ordinal & TPM_PROTECTED_ORDINAL_MASK]; - if (duration_idx != TPM_UNDEFINED) + if (duration_idx != TPM_UNDEFINED) { duration = chip->vendor.duration[duration_idx]; - if (duration <= 0) + /* if duration is 0, it's because chip->vendor.duration wasn't */ + /* filled yet, so we set the lowest timeout just to give enough */ + /* time for tpm_get_timeouts() to succeed */ + return (duration <= 0 ? HZ : duration); + } else return 2 * 60 * HZ; - else - return duration; } EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration); diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index c17a305ecb2..dd21df55689 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -493,9 +493,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, "1.2 TPM (device-id 0x%X, rev-id %d)\n", vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); - if (is_itpm(to_pnp_dev(dev))) - itpm = 1; - if (itpm) dev_info(dev, "Intel iTPM workaround enabled\n"); @@ -637,6 +634,9 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev, else interrupts = 0; + if (is_itpm(pnp_dev)) + itpm = 1; + return tpm_tis_init(&pnp_dev->dev, start, len, irq); } diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index bea966f8ac8..0902d446003 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -100,7 +100,10 @@ config DRM_I830 config DRM_I915 tristate "i915 driver" depends on AGP_INTEL + # we need shmfs for the swappable backing store, and in particular + # the shmem_readpage() which depends upon tmpfs select SHMEM + select TMPFS select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 844f3c972b0..17bd766f208 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -152,7 +152,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; - struct intel_ring_buffer *ring = LP_RING(dev_priv); + int ret; master_priv->sarea = drm_getsarea(dev); if (master_priv->sarea) { @@ -163,33 +163,22 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) } if (init->ring_size != 0) { - if (ring->obj != NULL) { + if (LP_RING(dev_priv)->obj != NULL) { i915_dma_cleanup(dev); DRM_ERROR("Client tried to initialize ringbuffer in " "GEM mode\n"); return -EINVAL; } - ring->size = init->ring_size; - - ring->map.offset = init->ring_start; - ring->map.size = init->ring_size; - ring->map.type = 0; - ring->map.flags = 0; - ring->map.mtrr = 0; - - drm_core_ioremap_wc(&ring->map, dev); - - if (ring->map.handle == NULL) { + ret = intel_render_ring_init_dri(dev, + init->ring_start, + init->ring_size); + if (ret) { i915_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return -ENOMEM; + return ret; } } - ring->virtual_start = ring->map.handle; - dev_priv->cpp = init->cpp; dev_priv->back_offset = init->back_offset; dev_priv->front_offset = init->front_offset; @@ -1226,9 +1215,15 @@ static int i915_load_modeset_init(struct drm_device *dev) if (ret) DRM_INFO("failed to find VBIOS tables\n"); - /* if we have > 1 VGA cards, then disable the radeon VGA resources */ + /* If we have > 1 VGA cards, then we need to arbitrate access + * to the common VGA resources. + * + * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA), + * then we do not take part in VGA arbitration and the + * vga_client_register() fails with -ENODEV. + */ ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); - if (ret) + if (ret && ret != -ENODEV) goto cleanup_ringbuffer; intel_register_dsm_handler(); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 72fea2bcfc4..66796bb82d3 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -60,7 +60,7 @@ extern int intel_agp_enabled; #define INTEL_VGA_DEVICE(id, info) { \ .class = PCI_CLASS_DISPLAY_VGA << 8, \ - .class_mask = 0xffff00, \ + .class_mask = 0xff0000, \ .vendor = 0x8086, \ .device = id, \ .subvendor = PCI_ANY_ID, \ @@ -752,6 +752,9 @@ static int __init i915_init(void) driver.driver_features &= ~DRIVER_MODESET; #endif + if (!(driver.driver_features & DRIVER_MODESET)) + driver.get_vblank_timestamp = NULL; + return drm_init(&driver); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5969f46ac2d..a0149c619cd 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -543,8 +543,11 @@ typedef struct drm_i915_private { /** List of all objects in gtt_space. Used to restore gtt * mappings on resume */ struct list_head gtt_list; - /** End of mappable part of GTT */ + + /** Usable portion of the GTT for GEM */ + unsigned long gtt_start; unsigned long gtt_mappable_end; + unsigned long gtt_end; struct io_mapping *gtt_mapping; int gtt_mtrr; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3dfc848ff75..cf4f74c7c6f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -140,12 +140,16 @@ void i915_gem_do_init(struct drm_device *dev, { drm_i915_private_t *dev_priv = dev->dev_private; - drm_mm_init(&dev_priv->mm.gtt_space, start, - end - start); + drm_mm_init(&dev_priv->mm.gtt_space, start, end - start); + dev_priv->mm.gtt_start = start; + dev_priv->mm.gtt_mappable_end = mappable_end; + dev_priv->mm.gtt_end = end; dev_priv->mm.gtt_total = end - start; dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start; - dev_priv->mm.gtt_mappable_end = mappable_end; + + /* Take over this portion of the GTT */ + intel_gtt_clear_range(start / PAGE_SIZE, (end-start) / PAGE_SIZE); } int @@ -1857,7 +1861,7 @@ i915_gem_retire_requests_ring(struct drm_device *dev, seqno = ring->get_seqno(ring); - for (i = 0; i < I915_NUM_RINGS; i++) + for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) if (seqno >= ring->sync_seqno[i]) ring->sync_seqno[i] = 0; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index dcfdf4151b6..d2f445e825f 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1175,7 +1175,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, goto err; seqno = i915_gem_next_request_seqno(dev, ring); - for (i = 0; i < I915_NUM_RINGS-1; i++) { + for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) { if (seqno < ring->sync_seqno[i]) { /* The GPU can not handle its semaphore value wrapping, * so every billion or so execbuffers, we need to stall diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 70433ae50ac..b0abdc64aa9 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -34,6 +34,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; + /* First fill our portion of the GTT with scratch pages */ + intel_gtt_clear_range(dev_priv->mm.gtt_start / PAGE_SIZE, + (dev_priv->mm.gtt_end - dev_priv->mm.gtt_start) / PAGE_SIZE); + list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { i915_gem_clflush_object(obj); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b8e509ae065..062f353497e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -274,24 +274,35 @@ int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe, return ret; } -int i915_get_vblank_timestamp(struct drm_device *dev, int crtc, +int i915_get_vblank_timestamp(struct drm_device *dev, int pipe, int *max_error, struct timeval *vblank_time, unsigned flags) { - struct drm_crtc *drmcrtc; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; - if (crtc < 0 || crtc >= dev->num_crtcs) { - DRM_ERROR("Invalid crtc %d\n", crtc); + if (pipe < 0 || pipe >= dev_priv->num_pipe) { + DRM_ERROR("Invalid crtc %d\n", pipe); return -EINVAL; } /* Get drm_crtc to timestamp: */ - drmcrtc = intel_get_crtc_for_pipe(dev, crtc); + crtc = intel_get_crtc_for_pipe(dev, pipe); + if (crtc == NULL) { + DRM_ERROR("Invalid crtc %d\n", pipe); + return -EINVAL; + } + + if (!crtc->enabled) { + DRM_DEBUG_KMS("crtc %d is disabled\n", pipe); + return -EBUSY; + } /* Helper routine in DRM core does all the work: */ - return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, - vblank_time, flags, drmcrtc); + return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error, + vblank_time, flags, + crtc); } /* @@ -348,8 +359,12 @@ static void notify_ring(struct drm_device *dev, struct intel_ring_buffer *ring) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 seqno = ring->get_seqno(ring); + u32 seqno; + if (ring->obj == NULL) + return; + + seqno = ring->get_seqno(ring); trace_i915_gem_request_complete(dev, seqno); ring->irq_seqno = seqno; @@ -831,6 +846,8 @@ static void i915_capture_error_state(struct drm_device *dev) i++; error->pinned_bo_count = i - error->active_bo_count; + error->active_bo = NULL; + error->pinned_bo = NULL; if (i) { error->active_bo = kmalloc(sizeof(*error->active_bo)*i, GFP_ATOMIC); @@ -1278,12 +1295,12 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) if (master_priv->sarea_priv) master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; - ret = -ENODEV; if (ring->irq_get(ring)) { DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ, READ_BREADCRUMB(dev_priv) >= irq_nr); ring->irq_put(ring); - } + } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000)) + ret = -EBUSY; if (ret == -EBUSY) { DRM_ERROR("EBUSY -- rec: %d emitted: %d\n", diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 40a407f41f6..5cfc68940f1 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -513,6 +513,10 @@ #define GEN6_BLITTER_SYNC_STATUS (1 << 24) #define GEN6_BLITTER_USER_INTERRUPT (1 << 22) +#define GEN6_BLITTER_ECOSKPD 0x221d0 +#define GEN6_BLITTER_LOCK_SHIFT 16 +#define GEN6_BLITTER_FBC_NOTIFY (1<<3) + #define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050 #define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK (1 << 16) #define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE (1 << 0) @@ -2626,6 +2630,8 @@ #define DISPLAY_PORT_PLL_BIOS_2 0x46014 #define PCH_DSPCLK_GATE_D 0x42020 +# define DPFCUNIT_CLOCK_GATE_DISABLE (1 << 9) +# define DPFCRUNIT_CLOCK_GATE_DISABLE (1 << 8) # define DPFDUNIT_CLOCK_GATE_DISABLE (1 << 7) # define DPARBUNIT_CLOCK_GATE_DISABLE (1 << 5) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 98967f3b772..d7f237deaaf 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1213,6 +1213,26 @@ static bool g4x_fbc_enabled(struct drm_device *dev) return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN; } +static void sandybridge_blit_fbc_update(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 blt_ecoskpd; + + /* Make sure blitter notifies FBC of writes */ + __gen6_force_wake_get(dev_priv); + blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD); + blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY << + GEN6_BLITTER_LOCK_SHIFT; + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY; + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + blt_ecoskpd &= ~(GEN6_BLITTER_FBC_NOTIFY << + GEN6_BLITTER_LOCK_SHIFT); + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + POSTING_READ(GEN6_BLITTER_ECOSKPD); + __gen6_force_wake_put(dev_priv); +} + static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) { struct drm_device *dev = crtc->dev; @@ -1266,6 +1286,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) I915_WRITE(SNB_DPFC_CTL_SA, SNB_CPU_FENCE_ENABLE | dev_priv->cfb_fence); I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y); + sandybridge_blit_fbc_update(dev); } DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane); @@ -6286,7 +6307,9 @@ void intel_enable_clock_gating(struct drm_device *dev) if (IS_GEN5(dev)) { /* Required for FBC */ - dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE; + dspclk_gate |= DPFCUNIT_CLOCK_GATE_DISABLE | + DPFCRUNIT_CLOCK_GATE_DISABLE | + DPFDUNIT_CLOCK_GATE_DISABLE; /* Required for CxSR */ dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE; diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index f295a7aaadf..64fd64443ca 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -26,6 +26,7 @@ */ #include <linux/acpi.h> +#include <linux/acpi_io.h> #include <acpi/video.h> #include "drmP.h" @@ -476,7 +477,7 @@ int intel_opregion_setup(struct drm_device *dev) return -ENOTSUPP; } - base = ioremap(asls, OPREGION_SIZE); + base = acpi_os_ioremap(asls, OPREGION_SIZE); if (!base) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index f6b9baa6a63..6218fa97aa1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -34,6 +34,14 @@ #include "i915_trace.h" #include "intel_drv.h" +static inline int ring_space(struct intel_ring_buffer *ring) +{ + int space = (ring->head & HEAD_ADDR) - (ring->tail + 8); + if (space < 0) + space += ring->size; + return space; +} + static u32 i915_gem_get_seqno(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -204,11 +212,9 @@ static int init_ring_common(struct intel_ring_buffer *ring) if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) i915_kernel_lost_context(ring->dev); else { - ring->head = I915_READ_HEAD(ring) & HEAD_ADDR; + ring->head = I915_READ_HEAD(ring); ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->size; + ring->space = ring_space(ring); } return 0; @@ -921,32 +927,34 @@ static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring) } ring->tail = 0; - ring->space = ring->head - 8; + ring->space = ring_space(ring); return 0; } int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) { - int reread = 0; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; unsigned long end; u32 head; + /* If the reported head position has wrapped or hasn't advanced, + * fallback to the slow and accurate path. + */ + head = intel_read_status_page(ring, 4); + if (head > ring->head) { + ring->head = head; + ring->space = ring_space(ring); + if (ring->space >= n) + return 0; + } + trace_i915_ring_wait_begin (dev); end = jiffies + 3 * HZ; do { - /* If the reported head position has wrapped or hasn't advanced, - * fallback to the slow and accurate path. - */ - head = intel_read_status_page(ring, 4); - if (reread) - head = I915_READ_HEAD(ring); - ring->head = head & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->size; + ring->head = I915_READ_HEAD(ring); + ring->space = ring_space(ring); if (ring->space >= n) { trace_i915_ring_wait_end(dev); return 0; @@ -961,7 +969,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) msleep(1); if (atomic_read(&dev_priv->mm.wedged)) return -EAGAIN; - reread = 1; } while (!time_after(jiffies, end)); trace_i915_ring_wait_end (dev); return -EBUSY; @@ -1292,6 +1299,48 @@ int intel_init_render_ring_buffer(struct drm_device *dev) return intel_init_ring_buffer(dev, ring); } +int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; + + *ring = render_ring; + if (INTEL_INFO(dev)->gen >= 6) { + ring->add_request = gen6_add_request; + ring->irq_get = gen6_render_ring_get_irq; + ring->irq_put = gen6_render_ring_put_irq; + } else if (IS_GEN5(dev)) { + ring->add_request = pc_render_add_request; + ring->get_seqno = pc_render_get_seqno; + } + + ring->dev = dev; + INIT_LIST_HEAD(&ring->active_list); + INIT_LIST_HEAD(&ring->request_list); + INIT_LIST_HEAD(&ring->gpu_write_list); + + ring->size = size; + ring->effective_size = ring->size; + if (IS_I830(ring->dev)) + ring->effective_size -= 128; + + ring->map.offset = start; + ring->map.size = size; + ring->map.type = 0; + ring->map.flags = 0; + ring->map.mtrr = 0; + + drm_core_ioremap_wc(&ring->map, dev); + if (ring->map.handle == NULL) { + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return -ENOMEM; + } + + ring->virtual_start = (void __force __iomem *)ring->map.handle; + return 0; +} + int intel_init_bsd_ring_buffer(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 5b0abfa881f..6d6fde85a63 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -166,4 +166,7 @@ int intel_init_blt_ring_buffer(struct drm_device *dev); u32 intel_ring_get_active_head(struct intel_ring_buffer *ring); void intel_ring_setup_status_page(struct intel_ring_buffer *ring); +/* DRI warts */ +int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size); + #endif /* _INTEL_RINGBUFFER_H_ */ diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index c380c65da41..ace2b1623b2 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -636,7 +636,7 @@ int vga_client_register(struct pci_dev *pdev, void *cookie, void (*irq_set_state)(void *cookie, bool state), unsigned int (*set_vga_decode)(void *cookie, bool decode)) { - int ret = -1; + int ret = -ENODEV; struct vga_device *vgadev; unsigned long flags; diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c index 62d6f88cbab..aa07657744c 100644 --- a/drivers/net/arm/ks8695net.c +++ b/drivers/net/arm/ks8695net.c @@ -1644,7 +1644,7 @@ ks8695_cleanup(void) module_init(ks8695_init); module_exit(ks8695_cleanup); -MODULE_AUTHOR("Simtec Electronics") +MODULE_AUTHOR("Simtec Electronics"); MODULE_DESCRIPTION("Micrel KS8695 (Centaur) Ethernet driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" MODULENAME); diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index 467e82bd092..a50391b6ba2 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -943,6 +943,8 @@ static int rio_enum_complete(struct rio_mport *port) * @port: Master port to send transactions * @destid: Current destination ID in network * @hopcount: Number of hops into the network + * @prev: previous rio_dev + * @prev_port: previous port number * * Recursively discovers a RIO network. Transactions are sent via the * master port passed in @port. diff --git a/fs/dcache.c b/fs/dcache.c index 9f493ee4dcb..2a6bd9a4ae9 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -176,6 +176,7 @@ static void d_free(struct dentry *dentry) /** * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups + * @dentry: the target dentry * After this call, in-progress rcu-walk path lookup will fail. This * should be called after unhashing, and after changing d_inode (if * the dentry has not already been unhashed). @@ -281,6 +282,7 @@ static void dentry_lru_move_tail(struct dentry *dentry) /** * d_kill - kill dentry and return parent * @dentry: dentry to kill + * @parent: parent dentry * * The dentry must already be unhashed and removed from the LRU. * @@ -1973,7 +1975,7 @@ out: /** * d_validate - verify dentry provided from insecure source (deprecated) * @dentry: The dentry alleged to be valid child of @dparent - * @parent: The parent dentry (known to be valid) + * @dparent: The parent dentry (known to be valid) * * An insecure source has sent us a dentry, here we verify it and dget() it. * This is used by ncpfs in its readdir implementation. diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 68649336c4a..6ebb81030d2 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -364,6 +364,13 @@ VMLINUX_SYMBOL(__start___param) = .; \ *(__param) \ VMLINUX_SYMBOL(__stop___param) = .; \ + } \ + \ + /* Built-in module versions. */ \ + __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start___modver) = .; \ + *(__modver) \ + VMLINUX_SYMBOL(__stop___modver) = .; \ . = ALIGN((align)); \ VMLINUX_SYMBOL(__end_rodata) = .; \ } \ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index a3b148a9187..0b84c61607e 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -249,7 +249,7 @@ static inline enum zone_type gfp_zone(gfp_t flags) ((1 << ZONES_SHIFT) - 1); if (__builtin_constant_p(bit)) - MAYBE_BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1); + BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1); else { #ifdef CONFIG_DEBUG_VM BUG_ON((GFP_ZONE_BAD >> bit) & 1); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d07d8057e44..e2f4d6af212 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -575,12 +575,6 @@ struct sysinfo { char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */ }; -/* Force a compilation error if condition is true */ -#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition)) - -/* Force a compilation error if condition is constant and true */ -#define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)])) - /* Force a compilation error if a constant expression is not a power of 2 */ #define BUILD_BUG_ON_NOT_POWER_OF_2(n) \ BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0)) @@ -592,6 +586,32 @@ struct sysinfo { #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) #define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); })) +/** + * BUILD_BUG_ON - break compile if a condition is true. + * @cond: the condition which the compiler should know is false. + * + * If you have some code which relies on certain constants being equal, or + * other compile-time-evaluated condition, you should use BUILD_BUG_ON to + * detect if someone changes it. + * + * The implementation uses gcc's reluctance to create a negative array, but + * gcc (as of 4.4) only emits that error for obvious cases (eg. not arguments + * to inline functions). So as a fallback we use the optimizer; if it can't + * prove the condition is false, it will cause a link error on the undefined + * "__build_bug_on_failed". This error message can be harder to track down + * though, hence the two different methods. + */ +#ifndef __OPTIMIZE__ +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) +#else +extern int __build_bug_on_failed; +#define BUILD_BUG_ON(condition) \ + do { \ + ((void)sizeof(char[1 - 2*!!(condition)])); \ + if (condition) __build_bug_on_failed = 1; \ + } while(0) +#endif + /* Trap pasters of __FUNCTION__ at compile-time */ #define __FUNCTION__ (__func__) diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h index 08d7dc4ddf4..39f8453239f 100644 --- a/include/linux/kmemcheck.h +++ b/include/linux/kmemcheck.h @@ -76,7 +76,7 @@ bool kmemcheck_is_obj_initialized(unsigned long addr, size_t size); \ _n = (long) &((ptr)->name##_end) \ - (long) &((ptr)->name##_begin); \ - MAYBE_BUILD_BUG_ON(_n < 0); \ + BUILD_BUG_ON(_n < 0); \ \ kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \ } while (0) diff --git a/include/linux/module.h b/include/linux/module.h index 8b17fd8c790..e7c6385c668 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -58,6 +58,12 @@ struct module_attribute { void (*free)(struct module *); }; +struct module_version_attribute { + struct module_attribute mattr; + const char *module_name; + const char *version; +}; + struct module_kobject { struct kobject kobj; @@ -161,7 +167,28 @@ extern struct module __this_module; Using this automatically adds a checksum of the .c files and the local headers in "srcversion". */ + +#if defined(MODULE) || !defined(CONFIG_SYSFS) #define MODULE_VERSION(_version) MODULE_INFO(version, _version) +#else +#define MODULE_VERSION(_version) \ + extern ssize_t __modver_version_show(struct module_attribute *, \ + struct module *, char *); \ + static struct module_version_attribute __modver_version_attr \ + __used \ + __attribute__ ((__section__ ("__modver"),aligned(sizeof(void *)))) \ + = { \ + .mattr = { \ + .attr = { \ + .name = "version", \ + .mode = S_IRUGO, \ + }, \ + .show = __modver_version_show, \ + }, \ + .module_name = KBUILD_MODNAME, \ + .version = _version, \ + } +#endif /* Optional firmware file (or files) needed by the module * format is simply firmware file name. Multiple firmware diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 112adf8bd47..07b41951e3f 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -16,15 +16,17 @@ /* Chosen so that structs with an unsigned long line up. */ #define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long)) -#ifdef MODULE #define ___module_cat(a,b) __mod_ ## a ## b #define __module_cat(a,b) ___module_cat(a,b) +#ifdef MODULE #define __MODULE_INFO(tag, name, info) \ static const char __module_cat(name,__LINE__)[] \ __used __attribute__((section(".modinfo"), unused, aligned(1))) \ = __stringify(tag) "=" info #else /* !MODULE */ -#define __MODULE_INFO(tag, name, info) +/* This struct is here for syntactic coherency, it is not used */ +#define __MODULE_INFO(tag, name, info) \ + struct __module_cat(name,__LINE__) {} #endif #define __MODULE_PARM_TYPE(name, _type) \ __MODULE_INFO(parmtype, name##type, #name ":" _type) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 0093dd7c1d6..800617b4ddd 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -109,7 +109,10 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, unsigned int fbit) { /* Did you forget to fix assumptions on max features? */ - MAYBE_BUILD_BUG_ON(fbit >= 32); + if (__builtin_constant_p(fbit)) + BUILD_BUG_ON(fbit >= 32); + else + BUG_ON(fbit >= 32); if (fbit < VIRTIO_TRANSPORT_F_START) virtio_check_driver_offered_feature(vdev, fbit); diff --git a/kernel/params.c b/kernel/params.c index 08107d18175..0da1411222b 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -719,9 +719,7 @@ void destroy_params(const struct kernel_param *params, unsigned num) params[i].ops->free(params[i].arg); } -static void __init kernel_add_sysfs_param(const char *name, - struct kernel_param *kparam, - unsigned int name_skip) +static struct module_kobject * __init locate_module_kobject(const char *name) { struct module_kobject *mk; struct kobject *kobj; @@ -729,10 +727,7 @@ static void __init kernel_add_sysfs_param(const char *name, kobj = kset_find_obj(module_kset, name); if (kobj) { - /* We already have one. Remove params so we can add more. */ mk = to_module_kobject(kobj); - /* We need to remove it before adding parameters. */ - sysfs_remove_group(&mk->kobj, &mk->mp->grp); } else { mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL); BUG_ON(!mk); @@ -743,15 +738,36 @@ static void __init kernel_add_sysfs_param(const char *name, "%s", name); if (err) { kobject_put(&mk->kobj); - printk(KERN_ERR "Module '%s' failed add to sysfs, " - "error number %d\n", name, err); - printk(KERN_ERR "The system will be unstable now.\n"); - return; + printk(KERN_ERR + "Module '%s' failed add to sysfs, error number %d\n", + name, err); + printk(KERN_ERR + "The system will be unstable now.\n"); + return NULL; } - /* So that exit path is even. */ + + /* So that we hold reference in both cases. */ kobject_get(&mk->kobj); } + return mk; +} + +static void __init kernel_add_sysfs_param(const char *name, + struct kernel_param *kparam, + unsigned int name_skip) +{ + struct module_kobject *mk; + int err; + + mk = locate_module_kobject(name); + if (!mk) + return; + + /* We need to remove old parameters before adding more. */ + if (mk->mp) + sysfs_remove_group(&mk->kobj, &mk->mp->grp); + /* These should not fail at boot. */ err = add_sysfs_param(mk, kparam, kparam->name + name_skip); BUG_ON(err); @@ -796,6 +812,32 @@ static void __init param_sysfs_builtin(void) } } +ssize_t __modver_version_show(struct module_attribute *mattr, + struct module *mod, char *buf) +{ + struct module_version_attribute *vattr = + container_of(mattr, struct module_version_attribute, mattr); + + return sprintf(buf, "%s\n", vattr->version); +} + +extern struct module_version_attribute __start___modver[], __stop___modver[]; + +static void __init version_sysfs_builtin(void) +{ + const struct module_version_attribute *vattr; + struct module_kobject *mk; + int err; + + for (vattr = __start___modver; vattr < __stop___modver; vattr++) { + mk = locate_module_kobject(vattr->module_name); + if (mk) { + err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr); + kobject_uevent(&mk->kobj, KOBJ_ADD); + kobject_put(&mk->kobj); + } + } +} /* module-related sysfs stuff */ @@ -875,6 +917,7 @@ static int __init param_sysfs_init(void) } module_sysfs_initialized = 1; + version_sysfs_builtin(); param_sysfs_builtin(); return 0; diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 0c877a74e1f..3fb14b7c13c 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -428,7 +428,7 @@ static void __exit dsa_cleanup_module(void) } module_exit(dsa_cleanup_module); -MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>") +MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>"); MODULE_DESCRIPTION("Driver for Distributed Switch Architecture switch chips"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:dsa"); diff --git a/security/keys/Makefile b/security/keys/Makefile index 6c941050f57..1bf090a885f 100644 --- a/security/keys/Makefile +++ b/security/keys/Makefile @@ -13,8 +13,8 @@ obj-y := \ request_key_auth.o \ user_defined.o -obj-$(CONFIG_TRUSTED_KEYS) += trusted_defined.o -obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted_defined.o +obj-$(CONFIG_TRUSTED_KEYS) += trusted.o +obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o obj-$(CONFIG_KEYS_COMPAT) += compat.o obj-$(CONFIG_PROC_FS) += proc.o obj-$(CONFIG_SYSCTL) += sysctl.o diff --git a/security/keys/encrypted_defined.c b/security/keys/encrypted.c index 28791a65740..9e7e4ce3fae 100644 --- a/security/keys/encrypted_defined.c +++ b/security/keys/encrypted.c @@ -30,7 +30,7 @@ #include <crypto/sha.h> #include <crypto/aes.h> -#include "encrypted_defined.h" +#include "encrypted.h" static const char KEY_TRUSTED_PREFIX[] = "trusted:"; static const char KEY_USER_PREFIX[] = "user:"; @@ -888,6 +888,7 @@ static int __init init_encrypted(void) out: encrypted_shash_release(); return ret; + } static void __exit cleanup_encrypted(void) diff --git a/security/keys/encrypted_defined.h b/security/keys/encrypted.h index cef5e2f2b7d..cef5e2f2b7d 100644 --- a/security/keys/encrypted_defined.h +++ b/security/keys/encrypted.h diff --git a/security/keys/trusted_defined.c b/security/keys/trusted.c index 2836c6dc18a..83fc92e297c 100644 --- a/security/keys/trusted_defined.c +++ b/security/keys/trusted.c @@ -29,7 +29,7 @@ #include <linux/tpm.h> #include <linux/tpm_command.h> -#include "trusted_defined.h" +#include "trusted.h" static const char hmac_alg[] = "hmac(sha1)"; static const char hash_alg[] = "sha1"; @@ -1032,6 +1032,7 @@ static int trusted_update(struct key *key, const void *data, size_t datalen) ret = datablob_parse(datablob, new_p, new_o); if (ret != Opt_update) { ret = -EINVAL; + kfree(new_p); goto out; } /* copy old key values, and reseal with new pcrs */ diff --git a/security/keys/trusted_defined.h b/security/keys/trusted.h index 3249fbd2b65..3249fbd2b65 100644 --- a/security/keys/trusted_defined.h +++ b/security/keys/trusted.h diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index c3f845cbcd4..a53373207fb 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -178,7 +178,7 @@ int cond_init_bool_indexes(struct policydb *p) p->bool_val_to_struct = (struct cond_bool_datum **) kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL); if (!p->bool_val_to_struct) - return -1; + return -ENOMEM; return 0; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index be9de387283..57363562f0f 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -501,8 +501,8 @@ static int policydb_index(struct policydb *p) if (rc) goto out; - rc = -ENOMEM; - if (cond_init_bool_indexes(p)) + rc = cond_init_bool_indexes(p); + if (rc) goto out; for (i = 0; i < SYM_NUM; i++) { |