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authorDave Airlie <airlied@gmail.com>2011-01-24 17:41:58 -0500
committerDave Airlie <airlied@gmail.com>2011-01-24 17:41:58 -0500
commitabb72c828878a2c69b2cfb33ac30007c8ecd735e (patch)
treea95ace4f34d86d55b3307bd53354d335e9f23563
parent58bbf018a70c562437eeae121a5d021ba7fe56a5 (diff)
parent8e934dbf264418afe4d1dff34ce074ecc14280db (diff)
Merge branch 'drm-intel-fixes-2' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel into drm-fixes
* 'drm-intel-fixes-2' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: (30 commits) drm/i915: Prevent uninitialised reads during error state capture drm/i915: Use consistent mappings for OpRegion between ACPI and i915 drm/i915: Handle the no-interrupts case for UMS by polling drm/i915: Disable high-precision vblank timestamping for UMS drm/i915: Increase the amount of defense before computing vblank timestamps drm/i915,agp/intel: Do not clear stolen entries Remove MAYBE_BUILD_BUG_ON BUILD_BUG_ON: make it handle more cases module: fix missing semicolons in MODULE macro usage param: add null statement to compiled-in module params module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n module: show version information for built-in modules in sysfs selinux: return -ENOMEM when memory allocation fails tpm: fix panic caused by "tpm: Autodetect itpm devices" TPM: Long default timeout fix trusted keys: Fix a memory leak in trusted_update(). keys: add trusted and encrypted maintainers encrypted-keys: rename encrypted_defined files to encrypted trusted-keys: rename trusted_defined files to trusted drm/i915: Recognise non-VGA display devices ...
-rw-r--r--Documentation/DocBook/device-drivers.tmpl4
-rw-r--r--MAINTAINERS22
-rw-r--r--drivers/char/agp/intel-gtt.c19
-rw-r--r--drivers/char/tpm/tpm.c10
-rw-r--r--drivers/char/tpm/tpm_tis.c6
-rw-r--r--drivers/gpu/drm/Kconfig3
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c35
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c5
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h5
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c12
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c4
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c37
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c25
-rw-r--r--drivers/gpu/drm/i915/intel_opregion.c3
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c83
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h3
-rw-r--r--drivers/gpu/vga/vgaarb.c2
-rw-r--r--drivers/net/arm/ks8695net.c2
-rw-r--r--drivers/rapidio/rio-scan.c2
-rw-r--r--fs/dcache.c4
-rw-r--r--include/asm-generic/vmlinux.lds.h7
-rw-r--r--include/linux/gfp.h2
-rw-r--r--include/linux/kernel.h32
-rw-r--r--include/linux/kmemcheck.h2
-rw-r--r--include/linux/module.h27
-rw-r--r--include/linux/moduleparam.h6
-rw-r--r--include/linux/virtio_config.h5
-rw-r--r--kernel/params.c65
-rw-r--r--net/dsa/dsa.c2
-rw-r--r--security/keys/Makefile4
-rw-r--r--security/keys/encrypted.c (renamed from security/keys/encrypted_defined.c)3
-rw-r--r--security/keys/encrypted.h (renamed from security/keys/encrypted_defined.h)0
-rw-r--r--security/keys/trusted.c (renamed from security/keys/trusted_defined.c)3
-rw-r--r--security/keys/trusted.h (renamed from security/keys/trusted_defined.h)0
-rw-r--r--security/selinux/ss/conditional.c2
-rw-r--r--security/selinux/ss/policydb.c4
38 files changed, 350 insertions, 108 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index 35447e081736..36f63d4a0a06 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -217,8 +217,8 @@ X!Isound/sound_firmware.c
217 <chapter id="uart16x50"> 217 <chapter id="uart16x50">
218 <title>16x50 UART Driver</title> 218 <title>16x50 UART Driver</title>
219!Iinclude/linux/serial_core.h 219!Iinclude/linux/serial_core.h
220!Edrivers/serial/serial_core.c 220!Edrivers/tty/serial/serial_core.c
221!Edrivers/serial/8250.c 221!Edrivers/tty/serial/8250.c
222 </chapter> 222 </chapter>
223 223
224 <chapter id="fbdev"> 224 <chapter id="fbdev">
diff --git a/MAINTAINERS b/MAINTAINERS
index 55592f8b672c..cf0f3a5c09cc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3674,6 +3674,28 @@ F: include/linux/key-type.h
3674F: include/keys/ 3674F: include/keys/
3675F: security/keys/ 3675F: security/keys/
3676 3676
3677KEYS-TRUSTED
3678M: David Safford <safford@watson.ibm.com>
3679M: Mimi Zohar <zohar@us.ibm.com>
3680L: linux-security-module@vger.kernel.org
3681L: keyrings@linux-nfs.org
3682S: Supported
3683F: Documentation/keys-trusted-encrypted.txt
3684F: include/keys/trusted-type.h
3685F: security/keys/trusted.c
3686F: security/keys/trusted.h
3687
3688KEYS-ENCRYPTED
3689M: Mimi Zohar <zohar@us.ibm.com>
3690M: David Safford <safford@watson.ibm.com>
3691L: linux-security-module@vger.kernel.org
3692L: keyrings@linux-nfs.org
3693S: Supported
3694F: Documentation/keys-trusted-encrypted.txt
3695F: include/keys/encrypted-type.h
3696F: security/keys/encrypted.c
3697F: security/keys/encrypted.h
3698
3677KGDB / KDB /debug_core 3699KGDB / KDB /debug_core
3678M: Jason Wessel <jason.wessel@windriver.com> 3700M: Jason Wessel <jason.wessel@windriver.com>
3679W: http://kgdb.wiki.kernel.org/ 3701W: http://kgdb.wiki.kernel.org/
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 826ab0939a12..fab3d3265adb 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -68,6 +68,7 @@ static struct _intel_private {
68 phys_addr_t gma_bus_addr; 68 phys_addr_t gma_bus_addr;
69 u32 PGETBL_save; 69 u32 PGETBL_save;
70 u32 __iomem *gtt; /* I915G */ 70 u32 __iomem *gtt; /* I915G */
71 bool clear_fake_agp; /* on first access via agp, fill with scratch */
71 int num_dcache_entries; 72 int num_dcache_entries;
72 union { 73 union {
73 void __iomem *i9xx_flush_page; 74 void __iomem *i9xx_flush_page;
@@ -869,21 +870,12 @@ static int intel_fake_agp_free_gatt_table(struct agp_bridge_data *bridge)
869 870
870static int intel_fake_agp_configure(void) 871static int intel_fake_agp_configure(void)
871{ 872{
872 int i;
873
874 if (!intel_enable_gtt()) 873 if (!intel_enable_gtt())
875 return -EIO; 874 return -EIO;
876 875
876 intel_private.clear_fake_agp = true;
877 agp_bridge->gart_bus_addr = intel_private.gma_bus_addr; 877 agp_bridge->gart_bus_addr = intel_private.gma_bus_addr;
878 878
879 for (i = 0; i < intel_private.base.gtt_total_entries; i++) {
880 intel_private.driver->write_entry(intel_private.scratch_page_dma,
881 i, 0);
882 }
883 readl(intel_private.gtt+i-1); /* PCI Posting. */
884
885 global_cache_flush();
886
887 return 0; 879 return 0;
888} 880}
889 881
@@ -945,6 +937,13 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
945{ 937{
946 int ret = -EINVAL; 938 int ret = -EINVAL;
947 939
940 if (intel_private.clear_fake_agp) {
941 int start = intel_private.base.stolen_size / PAGE_SIZE;
942 int end = intel_private.base.gtt_mappable_entries;
943 intel_gtt_clear_range(start, end - start);
944 intel_private.clear_fake_agp = false;
945 }
946
948 if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY) 947 if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY)
949 return i810_insert_dcache_entries(mem, pg_start, type); 948 return i810_insert_dcache_entries(mem, pg_start, type);
950 949
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 1f46f1cd9225..36e0fa161c2b 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,
364 tpm_protected_ordinal_duration[ordinal & 364 tpm_protected_ordinal_duration[ordinal &
365 TPM_PROTECTED_ORDINAL_MASK]; 365 TPM_PROTECTED_ORDINAL_MASK];
366 366
367 if (duration_idx != TPM_UNDEFINED) 367 if (duration_idx != TPM_UNDEFINED) {
368 duration = chip->vendor.duration[duration_idx]; 368 duration = chip->vendor.duration[duration_idx];
369 if (duration <= 0) 369 /* if duration is 0, it's because chip->vendor.duration wasn't */
370 /* filled yet, so we set the lowest timeout just to give enough */
371 /* time for tpm_get_timeouts() to succeed */
372 return (duration <= 0 ? HZ : duration);
373 } else
370 return 2 * 60 * HZ; 374 return 2 * 60 * HZ;
371 else
372 return duration;
373} 375}
374EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration); 376EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
375 377
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index c17a305ecb28..dd21df55689d 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,
493 "1.2 TPM (device-id 0x%X, rev-id %d)\n", 493 "1.2 TPM (device-id 0x%X, rev-id %d)\n",
494 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); 494 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
495 495
496 if (is_itpm(to_pnp_dev(dev)))
497 itpm = 1;
498
499 if (itpm) 496 if (itpm)
500 dev_info(dev, "Intel iTPM workaround enabled\n"); 497 dev_info(dev, "Intel iTPM workaround enabled\n");
501 498
@@ -637,6 +634,9 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
637 else 634 else
638 interrupts = 0; 635 interrupts = 0;
639 636
637 if (is_itpm(pnp_dev))
638 itpm = 1;
639
640 return tpm_tis_init(&pnp_dev->dev, start, len, irq); 640 return tpm_tis_init(&pnp_dev->dev, start, len, irq);
641} 641}
642 642
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index bea966f8ac84..0902d4460039 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -100,7 +100,10 @@ config DRM_I830
100config DRM_I915 100config DRM_I915
101 tristate "i915 driver" 101 tristate "i915 driver"
102 depends on AGP_INTEL 102 depends on AGP_INTEL
103 # we need shmfs for the swappable backing store, and in particular
104 # the shmem_readpage() which depends upon tmpfs
103 select SHMEM 105 select SHMEM
106 select TMPFS
104 select DRM_KMS_HELPER 107 select DRM_KMS_HELPER
105 select FB_CFB_FILLRECT 108 select FB_CFB_FILLRECT
106 select FB_CFB_COPYAREA 109 select FB_CFB_COPYAREA
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 844f3c972b04..17bd766f2081 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)
152{ 152{
153 drm_i915_private_t *dev_priv = dev->dev_private; 153 drm_i915_private_t *dev_priv = dev->dev_private;
154 struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; 154 struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
155 struct intel_ring_buffer *ring = LP_RING(dev_priv); 155 int ret;
156 156
157 master_priv->sarea = drm_getsarea(dev); 157 master_priv->sarea = drm_getsarea(dev);
158 if (master_priv->sarea) { 158 if (master_priv->sarea) {
@@ -163,33 +163,22 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
163 } 163 }
164 164
165 if (init->ring_size != 0) { 165 if (init->ring_size != 0) {
166 if (ring->obj != NULL) { 166 if (LP_RING(dev_priv)->obj != NULL) {
167 i915_dma_cleanup(dev); 167 i915_dma_cleanup(dev);
168 DRM_ERROR("Client tried to initialize ringbuffer in " 168 DRM_ERROR("Client tried to initialize ringbuffer in "
169 "GEM mode\n"); 169 "GEM mode\n");
170 return -EINVAL; 170 return -EINVAL;
171 } 171 }
172 172
173 ring->size = init->ring_size; 173 ret = intel_render_ring_init_dri(dev,
174 174 init->ring_start,
175 ring->map.offset = init->ring_start; 175 init->ring_size);
176 ring->map.size = init->ring_size; 176 if (ret) {
177 ring->map.type = 0;
178 ring->map.flags = 0;
179 ring->map.mtrr = 0;
180
181 drm_core_ioremap_wc(&ring->map, dev);
182
183 if (ring->map.handle == NULL) {
184 i915_dma_cleanup(dev); 177 i915_dma_cleanup(dev);
185 DRM_ERROR("can not ioremap virtual address for" 178 return ret;
186 " ring buffer\n");
187 return -ENOMEM;
188 } 179 }
189 } 180 }
190 181
191 ring->virtual_start = ring->map.handle;
192
193 dev_priv->cpp = init->cpp; 182 dev_priv->cpp = init->cpp;
194 dev_priv->back_offset = init->back_offset; 183 dev_priv->back_offset = init->back_offset;
195 dev_priv->front_offset = init->front_offset; 184 dev_priv->front_offset = init->front_offset;
@@ -1226,9 +1215,15 @@ static int i915_load_modeset_init(struct drm_device *dev)
1226 if (ret) 1215 if (ret)
1227 DRM_INFO("failed to find VBIOS tables\n"); 1216 DRM_INFO("failed to find VBIOS tables\n");
1228 1217
1229 /* if we have > 1 VGA cards, then disable the radeon VGA resources */ 1218 /* If we have > 1 VGA cards, then we need to arbitrate access
1219 * to the common VGA resources.
1220 *
1221 * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
1222 * then we do not take part in VGA arbitration and the
1223 * vga_client_register() fails with -ENODEV.
1224 */
1230 ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); 1225 ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
1231 if (ret) 1226 if (ret && ret != -ENODEV)
1232 goto cleanup_ringbuffer; 1227 goto cleanup_ringbuffer;
1233 1228
1234 intel_register_dsm_handler(); 1229 intel_register_dsm_handler();
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 72fea2bcfc4f..66796bb82d3e 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;
60 60
61#define INTEL_VGA_DEVICE(id, info) { \ 61#define INTEL_VGA_DEVICE(id, info) { \
62 .class = PCI_CLASS_DISPLAY_VGA << 8, \ 62 .class = PCI_CLASS_DISPLAY_VGA << 8, \
63 .class_mask = 0xffff00, \ 63 .class_mask = 0xff0000, \
64 .vendor = 0x8086, \ 64 .vendor = 0x8086, \
65 .device = id, \ 65 .device = id, \
66 .subvendor = PCI_ANY_ID, \ 66 .subvendor = PCI_ANY_ID, \
@@ -752,6 +752,9 @@ static int __init i915_init(void)
752 driver.driver_features &= ~DRIVER_MODESET; 752 driver.driver_features &= ~DRIVER_MODESET;
753#endif 753#endif
754 754
755 if (!(driver.driver_features & DRIVER_MODESET))
756 driver.get_vblank_timestamp = NULL;
757
755 return drm_init(&driver); 758 return drm_init(&driver);
756} 759}
757 760
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5969f46ac2d6..a0149c619cdd 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 {
543 /** List of all objects in gtt_space. Used to restore gtt 543 /** List of all objects in gtt_space. Used to restore gtt
544 * mappings on resume */ 544 * mappings on resume */
545 struct list_head gtt_list; 545 struct list_head gtt_list;
546 /** End of mappable part of GTT */ 546
547 /** Usable portion of the GTT for GEM */
548 unsigned long gtt_start;
547 unsigned long gtt_mappable_end; 549 unsigned long gtt_mappable_end;
550 unsigned long gtt_end;
548 551
549 struct io_mapping *gtt_mapping; 552 struct io_mapping *gtt_mapping;
550 int gtt_mtrr; 553 int gtt_mtrr;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3dfc848ff755..cf4f74c7c6fb 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,
140{ 140{
141 drm_i915_private_t *dev_priv = dev->dev_private; 141 drm_i915_private_t *dev_priv = dev->dev_private;
142 142
143 drm_mm_init(&dev_priv->mm.gtt_space, start, 143 drm_mm_init(&dev_priv->mm.gtt_space, start, end - start);
144 end - start);
145 144
145 dev_priv->mm.gtt_start = start;
146 dev_priv->mm.gtt_mappable_end = mappable_end;
147 dev_priv->mm.gtt_end = end;
146 dev_priv->mm.gtt_total = end - start; 148 dev_priv->mm.gtt_total = end - start;
147 dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start; 149 dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start;
148 dev_priv->mm.gtt_mappable_end = mappable_end; 150
151 /* Take over this portion of the GTT */
152 intel_gtt_clear_range(start / PAGE_SIZE, (end-start) / PAGE_SIZE);
149} 153}
150 154
151int 155int
@@ -1857,7 +1861,7 @@ i915_gem_retire_requests_ring(struct drm_device *dev,
1857 1861
1858 seqno = ring->get_seqno(ring); 1862 seqno = ring->get_seqno(ring);
1859 1863
1860 for (i = 0; i < I915_NUM_RINGS; i++) 1864 for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++)
1861 if (seqno >= ring->sync_seqno[i]) 1865 if (seqno >= ring->sync_seqno[i])
1862 ring->sync_seqno[i] = 0; 1866 ring->sync_seqno[i] = 0;
1863 1867
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index dcfdf4151b6d..d2f445e825f2 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,
1175 goto err; 1175 goto err;
1176 1176
1177 seqno = i915_gem_next_request_seqno(dev, ring); 1177 seqno = i915_gem_next_request_seqno(dev, ring);
1178 for (i = 0; i < I915_NUM_RINGS-1; i++) { 1178 for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) {
1179 if (seqno < ring->sync_seqno[i]) { 1179 if (seqno < ring->sync_seqno[i]) {
1180 /* The GPU can not handle its semaphore value wrapping, 1180 /* The GPU can not handle its semaphore value wrapping,
1181 * so every billion or so execbuffers, we need to stall 1181 * 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 70433ae50ac8..b0abdc64aa9f 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)
34 struct drm_i915_private *dev_priv = dev->dev_private; 34 struct drm_i915_private *dev_priv = dev->dev_private;
35 struct drm_i915_gem_object *obj; 35 struct drm_i915_gem_object *obj;
36 36
37 /* First fill our portion of the GTT with scratch pages */
38 intel_gtt_clear_range(dev_priv->mm.gtt_start / PAGE_SIZE,
39 (dev_priv->mm.gtt_end - dev_priv->mm.gtt_start) / PAGE_SIZE);
40
37 list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { 41 list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
38 i915_gem_clflush_object(obj); 42 i915_gem_clflush_object(obj);
39 43
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b8e509ae065e..062f353497e6 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,
274 return ret; 274 return ret;
275} 275}
276 276
277int i915_get_vblank_timestamp(struct drm_device *dev, int crtc, 277int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
278 int *max_error, 278 int *max_error,
279 struct timeval *vblank_time, 279 struct timeval *vblank_time,
280 unsigned flags) 280 unsigned flags)
281{ 281{
282 struct drm_crtc *drmcrtc; 282 struct drm_i915_private *dev_priv = dev->dev_private;
283 struct drm_crtc *crtc;
283 284
284 if (crtc < 0 || crtc >= dev->num_crtcs) { 285 if (pipe < 0 || pipe >= dev_priv->num_pipe) {
285 DRM_ERROR("Invalid crtc %d\n", crtc); 286 DRM_ERROR("Invalid crtc %d\n", pipe);
286 return -EINVAL; 287 return -EINVAL;
287 } 288 }
288 289
289 /* Get drm_crtc to timestamp: */ 290 /* Get drm_crtc to timestamp: */
290 drmcrtc = intel_get_crtc_for_pipe(dev, crtc); 291 crtc = intel_get_crtc_for_pipe(dev, pipe);
292 if (crtc == NULL) {
293 DRM_ERROR("Invalid crtc %d\n", pipe);
294 return -EINVAL;
295 }
296
297 if (!crtc->enabled) {
298 DRM_DEBUG_KMS("crtc %d is disabled\n", pipe);
299 return -EBUSY;
300 }
291 301
292 /* Helper routine in DRM core does all the work: */ 302 /* Helper routine in DRM core does all the work: */
293 return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, 303 return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
294 vblank_time, flags, drmcrtc); 304 vblank_time, flags,
305 crtc);
295} 306}
296 307
297/* 308/*
@@ -348,8 +359,12 @@ static void notify_ring(struct drm_device *dev,
348 struct intel_ring_buffer *ring) 359 struct intel_ring_buffer *ring)
349{ 360{
350 struct drm_i915_private *dev_priv = dev->dev_private; 361 struct drm_i915_private *dev_priv = dev->dev_private;
351 u32 seqno = ring->get_seqno(ring); 362 u32 seqno;
352 363
364 if (ring->obj == NULL)
365 return;
366
367 seqno = ring->get_seqno(ring);
353 trace_i915_gem_request_complete(dev, seqno); 368 trace_i915_gem_request_complete(dev, seqno);
354 369
355 ring->irq_seqno = seqno; 370 ring->irq_seqno = seqno;
@@ -831,6 +846,8 @@ static void i915_capture_error_state(struct drm_device *dev)
831 i++; 846 i++;
832 error->pinned_bo_count = i - error->active_bo_count; 847 error->pinned_bo_count = i - error->active_bo_count;
833 848
849 error->active_bo = NULL;
850 error->pinned_bo = NULL;
834 if (i) { 851 if (i) {
835 error->active_bo = kmalloc(sizeof(*error->active_bo)*i, 852 error->active_bo = kmalloc(sizeof(*error->active_bo)*i,
836 GFP_ATOMIC); 853 GFP_ATOMIC);
@@ -1278,12 +1295,12 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
1278 if (master_priv->sarea_priv) 1295 if (master_priv->sarea_priv)
1279 master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; 1296 master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
1280 1297
1281 ret = -ENODEV;
1282 if (ring->irq_get(ring)) { 1298 if (ring->irq_get(ring)) {
1283 DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ, 1299 DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ,
1284 READ_BREADCRUMB(dev_priv) >= irq_nr); 1300 READ_BREADCRUMB(dev_priv) >= irq_nr);
1285 ring->irq_put(ring); 1301 ring->irq_put(ring);
1286 } 1302 } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000))
1303 ret = -EBUSY;
1287 1304
1288 if (ret == -EBUSY) { 1305 if (ret == -EBUSY) {
1289 DRM_ERROR("EBUSY -- rec: %d emitted: %d\n", 1306 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 40a407f41f61..5cfc68940f17 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -513,6 +513,10 @@
513#define GEN6_BLITTER_SYNC_STATUS (1 << 24) 513#define GEN6_BLITTER_SYNC_STATUS (1 << 24)
514#define GEN6_BLITTER_USER_INTERRUPT (1 << 22) 514#define GEN6_BLITTER_USER_INTERRUPT (1 << 22)
515 515
516#define GEN6_BLITTER_ECOSKPD 0x221d0
517#define GEN6_BLITTER_LOCK_SHIFT 16
518#define GEN6_BLITTER_FBC_NOTIFY (1<<3)
519
516#define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050 520#define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050
517#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK (1 << 16) 521#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK (1 << 16)
518#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE (1 << 0) 522#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE (1 << 0)
@@ -2626,6 +2630,8 @@
2626#define DISPLAY_PORT_PLL_BIOS_2 0x46014 2630#define DISPLAY_PORT_PLL_BIOS_2 0x46014
2627 2631
2628#define PCH_DSPCLK_GATE_D 0x42020 2632#define PCH_DSPCLK_GATE_D 0x42020
2633# define DPFCUNIT_CLOCK_GATE_DISABLE (1 << 9)
2634# define DPFCRUNIT_CLOCK_GATE_DISABLE (1 << 8)
2629# define DPFDUNIT_CLOCK_GATE_DISABLE (1 << 7) 2635# define DPFDUNIT_CLOCK_GATE_DISABLE (1 << 7)
2630# define DPARBUNIT_CLOCK_GATE_DISABLE (1 << 5) 2636# define DPARBUNIT_CLOCK_GATE_DISABLE (1 << 5)
2631 2637
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 98967f3b7724..d7f237deaaf0 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)
1213 return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN; 1213 return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN;
1214} 1214}
1215 1215
1216static void sandybridge_blit_fbc_update(struct drm_device *dev)
1217{
1218 struct drm_i915_private *dev_priv = dev->dev_private;
1219 u32 blt_ecoskpd;
1220
1221 /* Make sure blitter notifies FBC of writes */
1222 __gen6_force_wake_get(dev_priv);
1223 blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
1224 blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
1225 GEN6_BLITTER_LOCK_SHIFT;
1226 I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
1227 blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY;
1228 I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
1229 blt_ecoskpd &= ~(GEN6_BLITTER_FBC_NOTIFY <<
1230 GEN6_BLITTER_LOCK_SHIFT);
1231 I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
1232 POSTING_READ(GEN6_BLITTER_ECOSKPD);
1233 __gen6_force_wake_put(dev_priv);
1234}
1235
1216static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) 1236static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
1217{ 1237{
1218 struct drm_device *dev = crtc->dev; 1238 struct drm_device *dev = crtc->dev;
@@ -1266,6 +1286,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
1266 I915_WRITE(SNB_DPFC_CTL_SA, 1286 I915_WRITE(SNB_DPFC_CTL_SA,
1267 SNB_CPU_FENCE_ENABLE | dev_priv->cfb_fence); 1287 SNB_CPU_FENCE_ENABLE | dev_priv->cfb_fence);
1268 I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y); 1288 I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y);
1289 sandybridge_blit_fbc_update(dev);
1269 } 1290 }
1270 1291
1271 DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane); 1292 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)
6286 6307
6287 if (IS_GEN5(dev)) { 6308 if (IS_GEN5(dev)) {
6288 /* Required for FBC */ 6309 /* Required for FBC */
6289 dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE; 6310 dspclk_gate |= DPFCUNIT_CLOCK_GATE_DISABLE |
6311 DPFCRUNIT_CLOCK_GATE_DISABLE |
6312 DPFDUNIT_CLOCK_GATE_DISABLE;
6290 /* Required for CxSR */ 6313 /* Required for CxSR */
6291 dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE; 6314 dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE;
6292 6315
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index f295a7aaadf9..64fd64443ca6 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -26,6 +26,7 @@
26 */ 26 */
27 27
28#include <linux/acpi.h> 28#include <linux/acpi.h>
29#include <linux/acpi_io.h>
29#include <acpi/video.h> 30#include <acpi/video.h>
30 31
31#include "drmP.h" 32#include "drmP.h"
@@ -476,7 +477,7 @@ int intel_opregion_setup(struct drm_device *dev)
476 return -ENOTSUPP; 477 return -ENOTSUPP;
477 } 478 }
478 479
479 base = ioremap(asls, OPREGION_SIZE); 480 base = acpi_os_ioremap(asls, OPREGION_SIZE);
480 if (!base) 481 if (!base)
481 return -ENOMEM; 482 return -ENOMEM;
482 483
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index f6b9baa6a63d..6218fa97aa1e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -34,6 +34,14 @@
34#include "i915_trace.h" 34#include "i915_trace.h"
35#include "intel_drv.h" 35#include "intel_drv.h"
36 36
37static inline int ring_space(struct intel_ring_buffer *ring)
38{
39 int space = (ring->head & HEAD_ADDR) - (ring->tail + 8);
40 if (space < 0)
41 space += ring->size;
42 return space;
43}
44
37static u32 i915_gem_get_seqno(struct drm_device *dev) 45static u32 i915_gem_get_seqno(struct drm_device *dev)
38{ 46{
39 drm_i915_private_t *dev_priv = dev->dev_private; 47 drm_i915_private_t *dev_priv = dev->dev_private;
@@ -204,11 +212,9 @@ static int init_ring_common(struct intel_ring_buffer *ring)
204 if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) 212 if (!drm_core_check_feature(ring->dev, DRIVER_MODESET))
205 i915_kernel_lost_context(ring->dev); 213 i915_kernel_lost_context(ring->dev);
206 else { 214 else {
207 ring->head = I915_READ_HEAD(ring) & HEAD_ADDR; 215 ring->head = I915_READ_HEAD(ring);
208 ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; 216 ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
209 ring->space = ring->head - (ring->tail + 8); 217 ring->space = ring_space(ring);
210 if (ring->space < 0)
211 ring->space += ring->size;
212 } 218 }
213 219
214 return 0; 220 return 0;
@@ -921,32 +927,34 @@ static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)
921 } 927 }
922 928
923 ring->tail = 0; 929 ring->tail = 0;
924 ring->space = ring->head - 8; 930 ring->space = ring_space(ring);
925 931
926 return 0; 932 return 0;
927} 933}
928 934
929int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) 935int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
930{ 936{
931 int reread = 0;
932 struct drm_device *dev = ring->dev; 937 struct drm_device *dev = ring->dev;
933 struct drm_i915_private *dev_priv = dev->dev_private; 938 struct drm_i915_private *dev_priv = dev->dev_private;
934 unsigned long end; 939 unsigned long end;
935 u32 head; 940 u32 head;
936 941
942 /* If the reported head position has wrapped or hasn't advanced,
943 * fallback to the slow and accurate path.
944 */
945 head = intel_read_status_page(ring, 4);
946 if (head > ring->head) {
947 ring->head = head;
948 ring->space = ring_space(ring);
949 if (ring->space >= n)
950 return 0;
951 }
952
937 trace_i915_ring_wait_begin (dev); 953 trace_i915_ring_wait_begin (dev);
938 end = jiffies + 3 * HZ; 954 end = jiffies + 3 * HZ;
939 do { 955 do {
940 /* If the reported head position has wrapped or hasn't advanced, 956 ring->head = I915_READ_HEAD(ring);
941 * fallback to the slow and accurate path. 957 ring->space = ring_space(ring);
942 */
943 head = intel_read_status_page(ring, 4);
944 if (reread)
945 head = I915_READ_HEAD(ring);
946 ring->head = head & HEAD_ADDR;
947 ring->space = ring->head - (ring->tail + 8);
948 if (ring->space < 0)
949 ring->space += ring->size;
950 if (ring->space >= n) { 958 if (ring->space >= n) {
951 trace_i915_ring_wait_end(dev); 959 trace_i915_ring_wait_end(dev);
952 return 0; 960 return 0;
@@ -961,7 +969,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
961 msleep(1); 969 msleep(1);
962 if (atomic_read(&dev_priv->mm.wedged)) 970 if (atomic_read(&dev_priv->mm.wedged))
963 return -EAGAIN; 971 return -EAGAIN;
964 reread = 1;
965 } while (!time_after(jiffies, end)); 972 } while (!time_after(jiffies, end));
966 trace_i915_ring_wait_end (dev); 973 trace_i915_ring_wait_end (dev);
967 return -EBUSY; 974 return -EBUSY;
@@ -1292,6 +1299,48 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
1292 return intel_init_ring_buffer(dev, ring); 1299 return intel_init_ring_buffer(dev, ring);
1293} 1300}
1294 1301
1302int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
1303{
1304 drm_i915_private_t *dev_priv = dev->dev_private;
1305 struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
1306
1307 *ring = render_ring;
1308 if (INTEL_INFO(dev)->gen >= 6) {
1309 ring->add_request = gen6_add_request;
1310 ring->irq_get = gen6_render_ring_get_irq;
1311 ring->irq_put = gen6_render_ring_put_irq;
1312 } else if (IS_GEN5(dev)) {
1313 ring->add_request = pc_render_add_request;
1314 ring->get_seqno = pc_render_get_seqno;
1315 }
1316
1317 ring->dev = dev;
1318 INIT_LIST_HEAD(&ring->active_list);
1319 INIT_LIST_HEAD(&ring->request_list);
1320 INIT_LIST_HEAD(&ring->gpu_write_list);
1321
1322 ring->size = size;
1323 ring->effective_size = ring->size;
1324 if (IS_I830(ring->dev))
1325 ring->effective_size -= 128;
1326
1327 ring->map.offset = start;
1328 ring->map.size = size;
1329 ring->map.type = 0;
1330 ring->map.flags = 0;
1331 ring->map.mtrr = 0;
1332
1333 drm_core_ioremap_wc(&ring->map, dev);
1334 if (ring->map.handle == NULL) {
1335 DRM_ERROR("can not ioremap virtual address for"
1336 " ring buffer\n");
1337 return -ENOMEM;
1338 }
1339
1340 ring->virtual_start = (void __force __iomem *)ring->map.handle;
1341 return 0;
1342}
1343
1295int intel_init_bsd_ring_buffer(struct drm_device *dev) 1344int intel_init_bsd_ring_buffer(struct drm_device *dev)
1296{ 1345{
1297 drm_i915_private_t *dev_priv = dev->dev_private; 1346 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 5b0abfa881fc..6d6fde85a636 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);
166u32 intel_ring_get_active_head(struct intel_ring_buffer *ring); 166u32 intel_ring_get_active_head(struct intel_ring_buffer *ring);
167void intel_ring_setup_status_page(struct intel_ring_buffer *ring); 167void intel_ring_setup_status_page(struct intel_ring_buffer *ring);
168 168
169/* DRI warts */
170int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size);
171
169#endif /* _INTEL_RINGBUFFER_H_ */ 172#endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index c380c65da417..ace2b1623b21 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,
636 void (*irq_set_state)(void *cookie, bool state), 636 void (*irq_set_state)(void *cookie, bool state),
637 unsigned int (*set_vga_decode)(void *cookie, bool decode)) 637 unsigned int (*set_vga_decode)(void *cookie, bool decode))
638{ 638{
639 int ret = -1; 639 int ret = -ENODEV;
640 struct vga_device *vgadev; 640 struct vga_device *vgadev;
641 unsigned long flags; 641 unsigned long flags;
642 642
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 62d6f88cbab5..aa07657744c3 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -1644,7 +1644,7 @@ ks8695_cleanup(void)
1644module_init(ks8695_init); 1644module_init(ks8695_init);
1645module_exit(ks8695_cleanup); 1645module_exit(ks8695_cleanup);
1646 1646
1647MODULE_AUTHOR("Simtec Electronics") 1647MODULE_AUTHOR("Simtec Electronics");
1648MODULE_DESCRIPTION("Micrel KS8695 (Centaur) Ethernet driver"); 1648MODULE_DESCRIPTION("Micrel KS8695 (Centaur) Ethernet driver");
1649MODULE_LICENSE("GPL"); 1649MODULE_LICENSE("GPL");
1650MODULE_ALIAS("platform:" MODULENAME); 1650MODULE_ALIAS("platform:" MODULENAME);
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index 467e82bd0929..a50391b6ba2a 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)
943 * @port: Master port to send transactions 943 * @port: Master port to send transactions
944 * @destid: Current destination ID in network 944 * @destid: Current destination ID in network
945 * @hopcount: Number of hops into the network 945 * @hopcount: Number of hops into the network
946 * @prev: previous rio_dev
947 * @prev_port: previous port number
946 * 948 *
947 * Recursively discovers a RIO network. Transactions are sent via the 949 * Recursively discovers a RIO network. Transactions are sent via the
948 * master port passed in @port. 950 * master port passed in @port.
diff --git a/fs/dcache.c b/fs/dcache.c
index 9f493ee4dcba..2a6bd9a4ae97 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -176,6 +176,7 @@ static void d_free(struct dentry *dentry)
176 176
177/** 177/**
178 * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups 178 * dentry_rcuwalk_barrier - invalidate in-progress rcu-walk lookups
179 * @dentry: the target dentry
179 * After this call, in-progress rcu-walk path lookup will fail. This 180 * After this call, in-progress rcu-walk path lookup will fail. This
180 * should be called after unhashing, and after changing d_inode (if 181 * should be called after unhashing, and after changing d_inode (if
181 * the dentry has not already been unhashed). 182 * the dentry has not already been unhashed).
@@ -281,6 +282,7 @@ static void dentry_lru_move_tail(struct dentry *dentry)
281/** 282/**
282 * d_kill - kill dentry and return parent 283 * d_kill - kill dentry and return parent
283 * @dentry: dentry to kill 284 * @dentry: dentry to kill
285 * @parent: parent dentry
284 * 286 *
285 * The dentry must already be unhashed and removed from the LRU. 287 * The dentry must already be unhashed and removed from the LRU.
286 * 288 *
@@ -1973,7 +1975,7 @@ out:
1973/** 1975/**
1974 * d_validate - verify dentry provided from insecure source (deprecated) 1976 * d_validate - verify dentry provided from insecure source (deprecated)
1975 * @dentry: The dentry alleged to be valid child of @dparent 1977 * @dentry: The dentry alleged to be valid child of @dparent
1976 * @parent: The parent dentry (known to be valid) 1978 * @dparent: The parent dentry (known to be valid)
1977 * 1979 *
1978 * An insecure source has sent us a dentry, here we verify it and dget() it. 1980 * An insecure source has sent us a dentry, here we verify it and dget() it.
1979 * This is used by ncpfs in its readdir implementation. 1981 * 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 68649336c4ad..6ebb81030d2d 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -364,6 +364,13 @@
364 VMLINUX_SYMBOL(__start___param) = .; \ 364 VMLINUX_SYMBOL(__start___param) = .; \
365 *(__param) \ 365 *(__param) \
366 VMLINUX_SYMBOL(__stop___param) = .; \ 366 VMLINUX_SYMBOL(__stop___param) = .; \
367 } \
368 \
369 /* Built-in module versions. */ \
370 __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \
371 VMLINUX_SYMBOL(__start___modver) = .; \
372 *(__modver) \
373 VMLINUX_SYMBOL(__stop___modver) = .; \
367 . = ALIGN((align)); \ 374 . = ALIGN((align)); \
368 VMLINUX_SYMBOL(__end_rodata) = .; \ 375 VMLINUX_SYMBOL(__end_rodata) = .; \
369 } \ 376 } \
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index a3b148a91874..0b84c61607e8 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)
249 ((1 << ZONES_SHIFT) - 1); 249 ((1 << ZONES_SHIFT) - 1);
250 250
251 if (__builtin_constant_p(bit)) 251 if (__builtin_constant_p(bit))
252 MAYBE_BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1); 252 BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
253 else { 253 else {
254#ifdef CONFIG_DEBUG_VM 254#ifdef CONFIG_DEBUG_VM
255 BUG_ON((GFP_ZONE_BAD >> bit) & 1); 255 BUG_ON((GFP_ZONE_BAD >> bit) & 1);
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d07d8057e440..e2f4d6af2125 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -575,12 +575,6 @@ struct sysinfo {
575 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */ 575 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
576}; 576};
577 577
578/* Force a compilation error if condition is true */
579#define BUILD_BUG_ON(condition) ((void)BUILD_BUG_ON_ZERO(condition))
580
581/* Force a compilation error if condition is constant and true */
582#define MAYBE_BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
583
584/* Force a compilation error if a constant expression is not a power of 2 */ 578/* Force a compilation error if a constant expression is not a power of 2 */
585#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \ 579#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
586 BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0)) 580 BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
@@ -592,6 +586,32 @@ struct sysinfo {
592#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) 586#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
593#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); })) 587#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
594 588
589/**
590 * BUILD_BUG_ON - break compile if a condition is true.
591 * @cond: the condition which the compiler should know is false.
592 *
593 * If you have some code which relies on certain constants being equal, or
594 * other compile-time-evaluated condition, you should use BUILD_BUG_ON to
595 * detect if someone changes it.
596 *
597 * The implementation uses gcc's reluctance to create a negative array, but
598 * gcc (as of 4.4) only emits that error for obvious cases (eg. not arguments
599 * to inline functions). So as a fallback we use the optimizer; if it can't
600 * prove the condition is false, it will cause a link error on the undefined
601 * "__build_bug_on_failed". This error message can be harder to track down
602 * though, hence the two different methods.
603 */
604#ifndef __OPTIMIZE__
605#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
606#else
607extern int __build_bug_on_failed;
608#define BUILD_BUG_ON(condition) \
609 do { \
610 ((void)sizeof(char[1 - 2*!!(condition)])); \
611 if (condition) __build_bug_on_failed = 1; \
612 } while(0)
613#endif
614
595/* Trap pasters of __FUNCTION__ at compile-time */ 615/* Trap pasters of __FUNCTION__ at compile-time */
596#define __FUNCTION__ (__func__) 616#define __FUNCTION__ (__func__)
597 617
diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h
index 08d7dc4ddf40..39f8453239f7 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);
76 \ 76 \
77 _n = (long) &((ptr)->name##_end) \ 77 _n = (long) &((ptr)->name##_end) \
78 - (long) &((ptr)->name##_begin); \ 78 - (long) &((ptr)->name##_begin); \
79 MAYBE_BUILD_BUG_ON(_n < 0); \ 79 BUILD_BUG_ON(_n < 0); \
80 \ 80 \
81 kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \ 81 kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \
82 } while (0) 82 } while (0)
diff --git a/include/linux/module.h b/include/linux/module.h
index 8b17fd8c790d..e7c6385c6683 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -58,6 +58,12 @@ struct module_attribute {
58 void (*free)(struct module *); 58 void (*free)(struct module *);
59}; 59};
60 60
61struct module_version_attribute {
62 struct module_attribute mattr;
63 const char *module_name;
64 const char *version;
65};
66
61struct module_kobject 67struct module_kobject
62{ 68{
63 struct kobject kobj; 69 struct kobject kobj;
@@ -161,7 +167,28 @@ extern struct module __this_module;
161 Using this automatically adds a checksum of the .c files and the 167 Using this automatically adds a checksum of the .c files and the
162 local headers in "srcversion". 168 local headers in "srcversion".
163*/ 169*/
170
171#if defined(MODULE) || !defined(CONFIG_SYSFS)
164#define MODULE_VERSION(_version) MODULE_INFO(version, _version) 172#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
173#else
174#define MODULE_VERSION(_version) \
175 extern ssize_t __modver_version_show(struct module_attribute *, \
176 struct module *, char *); \
177 static struct module_version_attribute __modver_version_attr \
178 __used \
179 __attribute__ ((__section__ ("__modver"),aligned(sizeof(void *)))) \
180 = { \
181 .mattr = { \
182 .attr = { \
183 .name = "version", \
184 .mode = S_IRUGO, \
185 }, \
186 .show = __modver_version_show, \
187 }, \
188 .module_name = KBUILD_MODNAME, \
189 .version = _version, \
190 }
191#endif
165 192
166/* Optional firmware file (or files) needed by the module 193/* Optional firmware file (or files) needed by the module
167 * format is simply firmware file name. Multiple firmware 194 * format is simply firmware file name. Multiple firmware
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 112adf8bd47d..07b41951e3fa 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -16,15 +16,17 @@
16/* Chosen so that structs with an unsigned long line up. */ 16/* Chosen so that structs with an unsigned long line up. */
17#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long)) 17#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
18 18
19#ifdef MODULE
20#define ___module_cat(a,b) __mod_ ## a ## b 19#define ___module_cat(a,b) __mod_ ## a ## b
21#define __module_cat(a,b) ___module_cat(a,b) 20#define __module_cat(a,b) ___module_cat(a,b)
21#ifdef MODULE
22#define __MODULE_INFO(tag, name, info) \ 22#define __MODULE_INFO(tag, name, info) \
23static const char __module_cat(name,__LINE__)[] \ 23static const char __module_cat(name,__LINE__)[] \
24 __used __attribute__((section(".modinfo"), unused, aligned(1))) \ 24 __used __attribute__((section(".modinfo"), unused, aligned(1))) \
25 = __stringify(tag) "=" info 25 = __stringify(tag) "=" info
26#else /* !MODULE */ 26#else /* !MODULE */
27#define __MODULE_INFO(tag, name, info) 27/* This struct is here for syntactic coherency, it is not used */
28#define __MODULE_INFO(tag, name, info) \
29 struct __module_cat(name,__LINE__) {}
28#endif 30#endif
29#define __MODULE_PARM_TYPE(name, _type) \ 31#define __MODULE_PARM_TYPE(name, _type) \
30 __MODULE_INFO(parmtype, name##type, #name ":" _type) 32 __MODULE_INFO(parmtype, name##type, #name ":" _type)
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 0093dd7c1d6f..800617b4ddd5 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,
109 unsigned int fbit) 109 unsigned int fbit)
110{ 110{
111 /* Did you forget to fix assumptions on max features? */ 111 /* Did you forget to fix assumptions on max features? */
112 MAYBE_BUILD_BUG_ON(fbit >= 32); 112 if (__builtin_constant_p(fbit))
113 BUILD_BUG_ON(fbit >= 32);
114 else
115 BUG_ON(fbit >= 32);
113 116
114 if (fbit < VIRTIO_TRANSPORT_F_START) 117 if (fbit < VIRTIO_TRANSPORT_F_START)
115 virtio_check_driver_offered_feature(vdev, fbit); 118 virtio_check_driver_offered_feature(vdev, fbit);
diff --git a/kernel/params.c b/kernel/params.c
index 08107d181758..0da1411222b9 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -719,9 +719,7 @@ void destroy_params(const struct kernel_param *params, unsigned num)
719 params[i].ops->free(params[i].arg); 719 params[i].ops->free(params[i].arg);
720} 720}
721 721
722static void __init kernel_add_sysfs_param(const char *name, 722static struct module_kobject * __init locate_module_kobject(const char *name)
723 struct kernel_param *kparam,
724 unsigned int name_skip)
725{ 723{
726 struct module_kobject *mk; 724 struct module_kobject *mk;
727 struct kobject *kobj; 725 struct kobject *kobj;
@@ -729,10 +727,7 @@ static void __init kernel_add_sysfs_param(const char *name,
729 727
730 kobj = kset_find_obj(module_kset, name); 728 kobj = kset_find_obj(module_kset, name);
731 if (kobj) { 729 if (kobj) {
732 /* We already have one. Remove params so we can add more. */
733 mk = to_module_kobject(kobj); 730 mk = to_module_kobject(kobj);
734 /* We need to remove it before adding parameters. */
735 sysfs_remove_group(&mk->kobj, &mk->mp->grp);
736 } else { 731 } else {
737 mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL); 732 mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
738 BUG_ON(!mk); 733 BUG_ON(!mk);
@@ -743,15 +738,36 @@ static void __init kernel_add_sysfs_param(const char *name,
743 "%s", name); 738 "%s", name);
744 if (err) { 739 if (err) {
745 kobject_put(&mk->kobj); 740 kobject_put(&mk->kobj);
746 printk(KERN_ERR "Module '%s' failed add to sysfs, " 741 printk(KERN_ERR
747 "error number %d\n", name, err); 742 "Module '%s' failed add to sysfs, error number %d\n",
748 printk(KERN_ERR "The system will be unstable now.\n"); 743 name, err);
749 return; 744 printk(KERN_ERR
745 "The system will be unstable now.\n");
746 return NULL;
750 } 747 }
751 /* So that exit path is even. */ 748
749 /* So that we hold reference in both cases. */
752 kobject_get(&mk->kobj); 750 kobject_get(&mk->kobj);
753 } 751 }
754 752
753 return mk;
754}
755
756static void __init kernel_add_sysfs_param(const char *name,
757 struct kernel_param *kparam,
758 unsigned int name_skip)
759{
760 struct module_kobject *mk;
761 int err;
762
763 mk = locate_module_kobject(name);
764 if (!mk)
765 return;
766
767 /* We need to remove old parameters before adding more. */
768 if (mk->mp)
769 sysfs_remove_group(&mk->kobj, &mk->mp->grp);
770
755 /* These should not fail at boot. */ 771 /* These should not fail at boot. */
756 err = add_sysfs_param(mk, kparam, kparam->name + name_skip); 772 err = add_sysfs_param(mk, kparam, kparam->name + name_skip);
757 BUG_ON(err); 773 BUG_ON(err);
@@ -796,6 +812,32 @@ static void __init param_sysfs_builtin(void)
796 } 812 }
797} 813}
798 814
815ssize_t __modver_version_show(struct module_attribute *mattr,
816 struct module *mod, char *buf)
817{
818 struct module_version_attribute *vattr =
819 container_of(mattr, struct module_version_attribute, mattr);
820
821 return sprintf(buf, "%s\n", vattr->version);
822}
823
824extern struct module_version_attribute __start___modver[], __stop___modver[];
825
826static void __init version_sysfs_builtin(void)
827{
828 const struct module_version_attribute *vattr;
829 struct module_kobject *mk;
830 int err;
831
832 for (vattr = __start___modver; vattr < __stop___modver; vattr++) {
833 mk = locate_module_kobject(vattr->module_name);
834 if (mk) {
835 err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);
836 kobject_uevent(&mk->kobj, KOBJ_ADD);
837 kobject_put(&mk->kobj);
838 }
839 }
840}
799 841
800/* module-related sysfs stuff */ 842/* module-related sysfs stuff */
801 843
@@ -875,6 +917,7 @@ static int __init param_sysfs_init(void)
875 } 917 }
876 module_sysfs_initialized = 1; 918 module_sysfs_initialized = 1;
877 919
920 version_sysfs_builtin();
878 param_sysfs_builtin(); 921 param_sysfs_builtin();
879 922
880 return 0; 923 return 0;
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0c877a74e1f4..3fb14b7c13cf 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -428,7 +428,7 @@ static void __exit dsa_cleanup_module(void)
428} 428}
429module_exit(dsa_cleanup_module); 429module_exit(dsa_cleanup_module);
430 430
431MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>") 431MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
432MODULE_DESCRIPTION("Driver for Distributed Switch Architecture switch chips"); 432MODULE_DESCRIPTION("Driver for Distributed Switch Architecture switch chips");
433MODULE_LICENSE("GPL"); 433MODULE_LICENSE("GPL");
434MODULE_ALIAS("platform:dsa"); 434MODULE_ALIAS("platform:dsa");
diff --git a/security/keys/Makefile b/security/keys/Makefile
index 6c941050f573..1bf090a885fe 100644
--- a/security/keys/Makefile
+++ b/security/keys/Makefile
@@ -13,8 +13,8 @@ obj-y := \
13 request_key_auth.o \ 13 request_key_auth.o \
14 user_defined.o 14 user_defined.o
15 15
16obj-$(CONFIG_TRUSTED_KEYS) += trusted_defined.o 16obj-$(CONFIG_TRUSTED_KEYS) += trusted.o
17obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted_defined.o 17obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o
18obj-$(CONFIG_KEYS_COMPAT) += compat.o 18obj-$(CONFIG_KEYS_COMPAT) += compat.o
19obj-$(CONFIG_PROC_FS) += proc.o 19obj-$(CONFIG_PROC_FS) += proc.o
20obj-$(CONFIG_SYSCTL) += sysctl.o 20obj-$(CONFIG_SYSCTL) += sysctl.o
diff --git a/security/keys/encrypted_defined.c b/security/keys/encrypted.c
index 28791a65740e..9e7e4ce3fae8 100644
--- a/security/keys/encrypted_defined.c
+++ b/security/keys/encrypted.c
@@ -30,7 +30,7 @@
30#include <crypto/sha.h> 30#include <crypto/sha.h>
31#include <crypto/aes.h> 31#include <crypto/aes.h>
32 32
33#include "encrypted_defined.h" 33#include "encrypted.h"
34 34
35static const char KEY_TRUSTED_PREFIX[] = "trusted:"; 35static const char KEY_TRUSTED_PREFIX[] = "trusted:";
36static const char KEY_USER_PREFIX[] = "user:"; 36static const char KEY_USER_PREFIX[] = "user:";
@@ -888,6 +888,7 @@ static int __init init_encrypted(void)
888out: 888out:
889 encrypted_shash_release(); 889 encrypted_shash_release();
890 return ret; 890 return ret;
891
891} 892}
892 893
893static void __exit cleanup_encrypted(void) 894static void __exit cleanup_encrypted(void)
diff --git a/security/keys/encrypted_defined.h b/security/keys/encrypted.h
index cef5e2f2b7d1..cef5e2f2b7d1 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 2836c6dc18a3..83fc92e297cd 100644
--- a/security/keys/trusted_defined.c
+++ b/security/keys/trusted.c
@@ -29,7 +29,7 @@
29#include <linux/tpm.h> 29#include <linux/tpm.h>
30#include <linux/tpm_command.h> 30#include <linux/tpm_command.h>
31 31
32#include "trusted_defined.h" 32#include "trusted.h"
33 33
34static const char hmac_alg[] = "hmac(sha1)"; 34static const char hmac_alg[] = "hmac(sha1)";
35static const char hash_alg[] = "sha1"; 35static const char hash_alg[] = "sha1";
@@ -1032,6 +1032,7 @@ static int trusted_update(struct key *key, const void *data, size_t datalen)
1032 ret = datablob_parse(datablob, new_p, new_o); 1032 ret = datablob_parse(datablob, new_p, new_o);
1033 if (ret != Opt_update) { 1033 if (ret != Opt_update) {
1034 ret = -EINVAL; 1034 ret = -EINVAL;
1035 kfree(new_p);
1035 goto out; 1036 goto out;
1036 } 1037 }
1037 /* copy old key values, and reseal with new pcrs */ 1038 /* copy old key values, and reseal with new pcrs */
diff --git a/security/keys/trusted_defined.h b/security/keys/trusted.h
index 3249fbd2b653..3249fbd2b653 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 c3f845cbcd48..a53373207fb4 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)
178 p->bool_val_to_struct = (struct cond_bool_datum **) 178 p->bool_val_to_struct = (struct cond_bool_datum **)
179 kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL); 179 kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL);
180 if (!p->bool_val_to_struct) 180 if (!p->bool_val_to_struct)
181 return -1; 181 return -ENOMEM;
182 return 0; 182 return 0;
183} 183}
184 184
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index be9de3872837..57363562f0f8 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -501,8 +501,8 @@ static int policydb_index(struct policydb *p)
501 if (rc) 501 if (rc)
502 goto out; 502 goto out;
503 503
504 rc = -ENOMEM; 504 rc = cond_init_bool_indexes(p);
505 if (cond_init_bool_indexes(p)) 505 if (rc)
506 goto out; 506 goto out;
507 507
508 for (i = 0; i < SYM_NUM; i++) { 508 for (i = 0; i < SYM_NUM; i++) {