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Linux 2.6.35.10 

Remove merged patches and fix up conflicts:
   drm-polling-fixes.patch
   linux-2.6-v4l-dvb-hdpvr-updates.patch
   kvm-fix-fs-gs-reload-oops-with-invalid-ldt.patch
Drop merged patches:
   linux-2.6-rcu-sched-warning.patch
   pnpacpi-cope-with-invalid-device-ids.patch
   ipc-zero-struct-memory-for-compat-fns.patch
   ipc-shm-fix-information-leak-to-user.patch
   r8169-01-fix-rx-checksum-offload.patch
   r8169-02-_re_init-phy-on-resume.patch
   r8169-03-fix-broken-checksum-for-invalid-sctp_igmp-packets.patch
   hda_realtek-handle-unset-external-amp-bits.patch
This commit is contained in:
Chuck Ebbert 2010-12-15 15:12:09 -05:00
parent f045c5648e
commit 8f007394cd
13 changed files with 38 additions and 733 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
drm-polling-fixes.patch
View File

@ -137,40 +137,6 @@ Date: Tue Jul 20 03:24:11 2010 -0400
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
commit 93d2725f536c17a85c35051beb4c41b7c1707db0
Author: Alex Deucher <alexdeucher@gmail.com>
Date: Mon Oct 25 19:44:00 2010 -0400
drm/radeon/kms: MC vram map needs to be >= pci aperture size
The vram map in the radeon memory controller needs to be
>= the pci aperture size. Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=28402
The problematic cards in the above bug have 64 MB of vram,
but the pci aperture is 128 MB and the MC vram map was only
64 MB. This can lead to hangs.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
commit 3fd6d68cfa32d8a5c99ba24e3d2c669bffef45ec
Author: Alex Deucher <alexdeucher@gmail.com>
Date: Wed Oct 27 01:02:35 2010 -0400
drm/radeon/kms: fix handling of tex lookup disable in cs checker on r2xx
There are cases when multiple texture units have to be enabled,
but not actually used to sample. This patch checks to see if
the lookup_disable bit is set and if so, skips the texture check.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=25544
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 25d70d6..d537039 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
@ -430,62 +396,6 @@ index 149ed22..1085376 100644
{
struct drm_device *dev = connector->dev;
struct nouveau_connector *nv_connector = nouveau_connector(connector);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index a89a15a..a3378ba 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2321,6 +2321,9 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
* Novell bug 204882 + along with lots of ubuntu ones
*/
+ if (rdev->mc.aper_size > config_aper_size)
+ config_aper_size = rdev->mc.aper_size;
+
if (config_aper_size > rdev->mc.real_vram_size)
rdev->mc.mc_vram_size = config_aper_size;
else
@@ -3229,6 +3232,8 @@ static int r100_cs_track_texture_check(struct radeon_device *rdev,
for (u = 0; u < track->num_texture; u++) {
if (!track->textures[u].enabled)
continue;
+ if (track->textures[u].lookup_disable)
+ continue;
robj = track->textures[u].robj;
if (robj == NULL) {
DRM_ERROR("No texture bound to unit %u\n", u);
@@ -3462,6 +3467,7 @@ void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track
track->textures[i].robj = NULL;
/* CS IB emission code makes sure texture unit are disabled */
track->textures[i].enabled = false;
+ track->textures[i].lookup_disable = false;
track->textures[i].roundup_w = true;
track->textures[i].roundup_h = true;
if (track->separate_cube)
diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h
index f47cdca..af65600 100644
--- a/drivers/gpu/drm/radeon/r100_track.h
+++ b/drivers/gpu/drm/radeon/r100_track.h
@@ -46,6 +46,7 @@ struct r100_cs_track_texture {
unsigned height_11;
bool use_pitch;
bool enabled;
+ bool lookup_disable;
bool roundup_w;
bool roundup_h;
unsigned compress_format;
diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c
index 0266d72..d2408c3 100644
--- a/drivers/gpu/drm/radeon/r200.c
+++ b/drivers/gpu/drm/radeon/r200.c
@@ -447,6 +447,8 @@ int r200_packet0_check(struct radeon_cs_parser *p,
track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
}
+ if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
+ track->textures[i].lookup_disable = true;
switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
case R200_TXFORMAT_I8:
case R200_TXFORMAT_RGB332:
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index adccbc2..1680600 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
@ -571,17 +481,17 @@ index adccbc2..1680600 100644
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
break;
case DRM_MODE_CONNECTOR_DVIA:
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
@@ -1096,6 +1113,8 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
@@ -1186,6 +1205,8 @@ radeon_add_atom_connector(struct drm_device *dev,
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.tv_std_property,
@ -589,8 +499,8 @@ index adccbc2..1680600 100644
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
}
break;
case DRM_MODE_CONNECTOR_LVDS:
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
@@ -1209,7 +1230,7 @@ radeon_add_atom_connector(struct drm_device *dev,
break;
}
@ -607,17 +517,17 @@ index adccbc2..1680600 100644
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
break;
case DRM_MODE_CONNECTOR_DVIA:
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
@@ -1290,6 +1313,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.load_detect_property,
1);
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_DVID:
@@ -1328,6 +1353,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.tv_std_property,
@ -625,8 +535,8 @@ index adccbc2..1680600 100644
+ /* no HPD on analog connectors */
+ radeon_connector->hpd.hpd = RADEON_HPD_NONE;
}
break;
case DRM_MODE_CONNECTOR_LVDS:
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
@@ -1345,7 +1372,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
break;
}
@ -636,18 +546,6 @@ index adccbc2..1680600 100644
if (i2c_bus->valid)
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
} else
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index c332f46..6492881 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -2836,6 +2836,7 @@
# define R200_TXFORMAT_ST_ROUTE_STQ5 (5 << 24)
# define R200_TXFORMAT_ST_ROUTE_MASK (7 << 24)
# define R200_TXFORMAT_ST_ROUTE_SHIFT 24
+# define R200_TXFORMAT_LOOKUP_DISABLE (1 << 27)
# define R200_TXFORMAT_ALPHA_MASK_ENABLE (1 << 28)
# define R200_TXFORMAT_CHROMA_KEY_ENABLE (1 << 29)
# define R200_TXFORMAT_CUBIC_MAP_ENABLE (1 << 30)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index cfaf690..5b638cb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c

12
hda_realtek-handle-unset-external-amp-bits.patch
View File

@ -1,12 +0,0 @@
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 0ac6aed..53f503d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1614,6 +1614,7 @@ do_sku:
spec->init_amp = ALC_INIT_GPIO3;
break;
case 5:
+ default:
spec->init_amp = ALC_INIT_DEFAULT;
break;
}

30
ipc-shm-fix-information-leak-to-user.patch
View File

@ -1,30 +0,0 @@
From: Vasiliy Kulikov <segooon@gmail.com>
Date: Sat, 30 Oct 2010 14:22:49 +0000 (+0400)
Subject: ipc: shm: fix information leak to userland
X-Git-Tag: v2.6.37-rc1~24
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44
ipc: shm: fix information leak to userland
The shmid_ds structure is copied to userland with shm_unused{,2,3}
fields unitialized. It leads to leaking of contents of kernel stack
memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
diff --git a/ipc/shm.c b/ipc/shm.c
index fd658a1..7d3bb22 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -479,6 +479,7 @@ static inline unsigned long copy_shmid_to_user(void __user *buf, struct shmid64_
{
struct shmid_ds out;
+ memset(&out, 0, sizeof(out));
ipc64_perm_to_ipc_perm(&in->shm_perm, &out.shm_perm);
out.shm_segsz = in->shm_segsz;
out.shm_atime = in->shm_atime;

73
ipc-zero-struct-memory-for-compat-fns.patch
View File

@ -1,73 +0,0 @@
From: Dan Rosenberg <drosenberg@vsecurity.com>
Date: Wed, 27 Oct 2010 22:34:17 +0000 (-0700)
Subject: ipc: initialize structure memory to zero for compat functions
X-Git-Tag: v2.6.37-rc1~85^2~50
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=03145beb455cf5c20a761e8451e30b8a74ba58d9
ipc: initialize structure memory to zero for compat functions
This takes care of leaking uninitialized kernel stack memory to
userspace from non-zeroed fields in structs in compat ipc functions.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
diff --git a/ipc/compat.c b/ipc/compat.c
index 9dc2c7d..845a287 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -241,6 +241,8 @@ long compat_sys_semctl(int first, int second, int third, void __user *uptr)
struct semid64_ds __user *up64;
int version = compat_ipc_parse_version(&third);
+ memset(&s64, 0, sizeof(s64));
+
if (!uptr)
return -EINVAL;
if (get_user(pad, (u32 __user *) uptr))
@@ -421,6 +423,8 @@ long compat_sys_msgctl(int first, int second, void __user *uptr)
int version = compat_ipc_parse_version(&second);
void __user *p;
+ memset(&m64, 0, sizeof(m64));
+
switch (second & (~IPC_64)) {
case IPC_INFO:
case IPC_RMID:
@@ -594,6 +598,8 @@ long compat_sys_shmctl(int first, int second, void __user *uptr)
int err, err2;
int version = compat_ipc_parse_version(&second);
+ memset(&s64, 0, sizeof(s64));
+
switch (second & (~IPC_64)) {
case IPC_RMID:
case SHM_LOCK:
diff --git a/ipc/compat_mq.c b/ipc/compat_mq.c
index d8d1e9f..380ea4f 100644
--- a/ipc/compat_mq.c
+++ b/ipc/compat_mq.c
@@ -53,6 +53,9 @@ asmlinkage long compat_sys_mq_open(const char __user *u_name,
void __user *p = NULL;
if (u_attr && oflag & O_CREAT) {
struct mq_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+
p = compat_alloc_user_space(sizeof(attr));
if (get_compat_mq_attr(&attr, u_attr) ||
copy_to_user(p, &attr, sizeof(attr)))
@@ -127,6 +130,8 @@ asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
struct mq_attr __user *p = compat_alloc_user_space(2 * sizeof(*p));
long ret;
+ memset(&mqstat, 0, sizeof(mqstat));
+
if (u_mqstat) {
if (get_compat_mq_attr(&mqstat, u_mqstat) ||
copy_to_user(p, &mqstat, sizeof(mqstat)))

52
kernel.spec
View File

@ -60,7 +60,7 @@ Summary: The Linux kernel
%if 0%{?released_kernel}
# Do we have a -stable update to apply?
%define stable_update 9
%define stable_update 10
# Is it a -stable RC?
%define stable_rc 0
# Set rpm version accordingly
@ -724,7 +724,6 @@ Patch2924: linux-2.6-v4l-dvb-ir-core-fix-imon.patch
Patch2950: linux-2.6-via-velocity-dma-fix.patch
Patch3000: linux-2.6-rcu-sched-warning.patch
Patch3010: linux-2.6-rcu-netpoll.patch
# NFSv4
@ -765,8 +764,6 @@ Patch13600: btusb-macbookpro-6-2.patch
Patch13601: btusb-macbookpro-7-1.patch
Patch13602: add-macbookair3-ids.patch
Patch13603: pnpacpi-cope-with-invalid-device-ids.patch
Patch13610: libata-it821x-dump-stack-on-cache-flush.patch
Patch13630: dm-allow-setting-of-uuid-via-rename-if-not-already-set.patch
@ -786,9 +783,6 @@ Patch13651: kvm-fix-fs-gs-reload-oops-with-invalid-ldt.patch
Patch13652: fix-i8k-inline-asm.patch
Patch13700: ipc-zero-struct-memory-for-compat-fns.patch
Patch13701: ipc-shm-fix-information-leak-to-user.patch
Patch13702: inet_diag-make-sure-we-run-the-same-bytecode-we-audited.patch
Patch13704: netlink-make-nlmsg_find_attr-take-a-const-ptr.patch
@ -797,14 +791,6 @@ Patch13703: posix-cpu-timers-workaround-to-suppress-problems-with-mt-exec.patch
Patch13660: rtl8180-improve-signal-reporting-for-rtl8185-hardware.patch
Patch13661: rtl8180-improve-signal-reporting-for-actual-rtl8180-hardware.patch
#rhbz #502974
Patch13670: r8169-01-fix-rx-checksum-offload.patch
Patch13671: r8169-02-_re_init-phy-on-resume.patch
Patch13672: r8169-03-fix-broken-checksum-for-invalid-sctp_igmp-packets.patch
#rhbz #657388
Patch13680: hda_realtek-handle-unset-external-amp-bits.patch
Patch13684: tty-make-tiocgicount-a-handler.patch
Patch13685: tty-icount-changeover-for-other-main-devices.patch
@ -1440,7 +1426,6 @@ ApplyPatch linux-2.6-v4l-dvb-ir-core-fix-imon.patch
ApplyPatch linux-2.6-via-velocity-dma-fix.patch
# silence another rcu_reference warning
ApplyPatch linux-2.6-rcu-sched-warning.patch
ApplyPatch linux-2.6-rcu-netpoll.patch
# Patches headed upstream
@ -1485,9 +1470,6 @@ ApplyPatch add-macbookair3-ids.patch
# temporary patch, dump stack on failed it821x commands
ApplyPatch libata-it821x-dump-stack-on-cache-flush.patch
# rhbz#641468
ApplyPatch pnpacpi-cope-with-invalid-device-ids.patch
# rhbz#641476
ApplyPatch dm-allow-setting-of-uuid-via-rename-if-not-already-set.patch
@ -1510,12 +1492,6 @@ ApplyPatch kvm-fix-fs-gs-reload-oops-with-invalid-ldt.patch
ApplyPatch fix-i8k-inline-asm.patch
# rhbz#648658 (CVE-2010-4073)
ApplyPatch ipc-zero-struct-memory-for-compat-fns.patch
# rhbz#648656 (CVE-2010-4072)
ApplyPatch ipc-shm-fix-information-leak-to-user.patch
# rhbz#651264 (CVE-2010-3880)
ApplyPatch inet_diag-make-sure-we-run-the-same-bytecode-we-audited.patch
ApplyPatch netlink-make-nlmsg_find_attr-take-a-const-ptr.patch
@ -1526,14 +1502,6 @@ ApplyPatch posix-cpu-timers-workaround-to-suppress-problems-with-mt-exec.patch
ApplyPatch rtl8180-improve-signal-reporting-for-rtl8185-hardware.patch
ApplyPatch rtl8180-improve-signal-reporting-for-actual-rtl8180-hardware.patch
#rhbz #502974
ApplyPatch r8169-01-fix-rx-checksum-offload.patch
ApplyPatch r8169-02-_re_init-phy-on-resume.patch
ApplyPatch r8169-03-fix-broken-checksum-for-invalid-sctp_igmp-packets.patch
#rhbz #657388
ApplyPatch hda_realtek-handle-unset-external-amp-bits.patch
# CVE-2010-4077, CVE-2010-4075 (rhbz#648660, #648663)
ApplyPatch tty-make-tiocgicount-a-handler.patch
ApplyPatch tty-icount-changeover-for-other-main-devices.patch
@ -2131,6 +2099,24 @@ fi
# and build.
%changelog
* Wed Dec 15 2010 Chuck Ebbert <cebbert@redhat.com>
- Linux 2.6.35.10
- Remove merged patches and fix up conflicts:
drm-polling-fixes.patch
linux-2.6-v4l-dvb-hdpvr-updates.patch
kvm-fix-fs-gs-reload-oops-with-invalid-ldt.patch
- Drop merged patches:
linux-2.6-rcu-sched-warning.patch
pnpacpi-cope-with-invalid-device-ids.patch
ipc-zero-struct-memory-for-compat-fns.patch
ipc-shm-fix-information-leak-to-user.patch
r8169-01-fix-rx-checksum-offload.patch
r8169-02-_re_init-phy-on-resume.patch
r8169-03-fix-broken-checksum-for-invalid-sctp_igmp-packets.patch
hda_realtek-handle-unset-external-amp-bits.patch
MARKME
* Fri Dec 10 2010 Kyle McMartin <kyle@redhat.com>
- pci-disable-aspm-if-bios-asks-us-to.patch: Patch from mjg59 to disable
ASPM if the BIOS has disabled it, but enabled it already on some devices.

13
kvm-fix-fs-gs-reload-oops-with-invalid-ldt.patch
View File

@ -81,10 +81,11 @@ index 81ed28c..8a3f9f6 100644
vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
- kvm_load_ldt(ldt_selector);
- kvm_load_fs(fs_selector);
- kvm_load_gs(gs_selector);
- kvm_load_ldt(ldt_selector);
load_host_msrs(vcpu);
+ kvm_load_ldt(ldt_selector);
+ loadsegment(fs, fs_selector);
+#ifdef CONFIG_X86_64
+ load_gs_index(gs_selector);
@ -92,7 +93,6 @@ index 81ed28c..8a3f9f6 100644
+#else
+ loadsegment(gs, gs_selector);
+#endif
+ kvm_load_ldt(ldt_selector);
reload_tss(vcpu);
@ -118,7 +118,7 @@ index 49b25ee..7bddfab 100644
if (!(vmx->host_state.gs_sel & 7))
vmcs_write16(HOST_GS_SELECTOR, vmx->host_state.gs_sel);
else {
@@ -841,27 +841,21 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
@@ -841,25 +841,19 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
static void __vmx_load_host_state(struct vcpu_vmx *vmx)
{
@ -129,9 +129,6 @@ index 49b25ee..7bddfab 100644
++vmx->vcpu.stat.host_state_reload;
vmx->host_state.loaded = 0;
if (vmx->host_state.fs_reload_needed)
- kvm_load_fs(vmx->host_state.fs_sel);
+ loadsegment(fs, vmx->host_state.fs_sel);
if (vmx->host_state.gs_ldt_reload_needed) {
kvm_load_ldt(vmx->host_state.ldt_sel);
- /*
@ -149,8 +146,8 @@ index 49b25ee..7bddfab 100644
#endif
- local_irq_restore(flags);
}
reload_tss();
#ifdef CONFIG_X86_64
if (vmx->host_state.fs_reload_needed)
loadsegment(fs, vmx->host_state.fs_sel);
@@ -2589,8 +2583,8 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS); /* 22.2.4 */
vmcs_write16(HOST_DS_SELECTOR, __KERNEL_DS); /* 22.2.4 */

215
linux-2.6-rcu-sched-warning.patch
View File

@ -1,215 +0,0 @@
From davej Thu Sep 16 11:55:58 2010
Return-Path: linux-kernel-owner@vger.kernel.org
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Subject: Re: 2.6.35-stable/ppc64/p7: suspicious rcu_dereference_check()
usage detected during 2.6.35-stable boot
From: Peter Zijlstra <peterz@infradead.org>
To: paulmck@linux.vnet.ibm.com
Cc: Subrata Modak <subrata@linux.vnet.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Li Zefan <lizf@cn.fujitsu.com>, Linuxppc-dev <Linuxppc-dev@ozlabs.org>,
sachinp <sachinp@linux.vnet.ibm.com>,
DIVYA PRAKASH <dipraksh@linux.vnet.ibm.com>,
"Valdis.Kletnieks" <Valdis.Kletnieks@vt.edu>
In-Reply-To: <20100809161200.GC3026@linux.vnet.ibm.com>
References: <1280739132.15317.9.camel@subratamodak.linux.ibm.com>
<20100809161200.GC3026@linux.vnet.ibm.com>
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On Mon, 2010-08-09 at 09:12 -0700, Paul E. McKenney wrote:
> > [ 0.051203] CPU0: AMD QEMU Virtual CPU version 0.12.4 stepping 03
> > [ 0.052999] lockdep: fixing up alternatives.
> > [ 0.054105]
> > [ 0.054106] ===================================================
> > [ 0.054999] [ INFO: suspicious rcu_dereference_check() usage. ]
> > [ 0.054999] ---------------------------------------------------
> > [ 0.054999] kernel/sched.c:616 invoked rcu_dereference_check() without protection!
> > [ 0.054999]
> > [ 0.054999] other info that might help us debug this:
> > [ 0.054999]
> > [ 0.054999]
> > [ 0.054999] rcu_scheduler_active = 1, debug_locks = 1
> > [ 0.054999] 3 locks held by swapper/1:
> > [ 0.054999] #0: (cpu_add_remove_lock){+.+.+.}, at: [<ffffffff814be933>] cpu_up+0x42/0x6a
> > [ 0.054999] #1: (cpu_hotplug.lock){+.+.+.}, at: [<ffffffff810400d8>] cpu_hotplug_begin+0x2a/0x51
> > [ 0.054999] #2: (&rq->lock){-.-...}, at: [<ffffffff814be2f7>] init_idle+0x2f/0x113
> > [ 0.054999]
> > [ 0.054999] stack backtrace:
> > [ 0.054999] Pid: 1, comm: swapper Not tainted 2.6.35 #1
> > [ 0.054999] Call Trace:
> > [ 0.054999] [<ffffffff81068054>] lockdep_rcu_dereference+0x9b/0xa3
> > [ 0.054999] [<ffffffff810325c3>] task_group+0x7b/0x8a
> > [ 0.054999] [<ffffffff810325e5>] set_task_rq+0x13/0x40
> > [ 0.054999] [<ffffffff814be39a>] init_idle+0xd2/0x113
> > [ 0.054999] [<ffffffff814be78a>] fork_idle+0xb8/0xc7
> > [ 0.054999] [<ffffffff81068717>] ? mark_held_locks+0x4d/0x6b
> > [ 0.054999] [<ffffffff814bcebd>] do_fork_idle+0x17/0x2b
> > [ 0.054999] [<ffffffff814bc89b>] native_cpu_up+0x1c1/0x724
> > [ 0.054999] [<ffffffff814bcea6>] ? do_fork_idle+0x0/0x2b
> > [ 0.054999] [<ffffffff814be876>] _cpu_up+0xac/0x127
> > [ 0.054999] [<ffffffff814be946>] cpu_up+0x55/0x6a
> > [ 0.054999] [<ffffffff81ab562a>] kernel_init+0xe1/0x1ff
> > [ 0.054999] [<ffffffff81003854>] kernel_thread_helper+0x4/0x10
> > [ 0.054999] [<ffffffff814c353c>] ? restore_args+0x0/0x30
> > [ 0.054999] [<ffffffff81ab5549>] ? kernel_init+0x0/0x1ff
> > [ 0.054999] [<ffffffff81003850>] ? kernel_thread_helper+0x0/0x10
> > [ 0.056074] Booting Node 0, Processors #1lockdep: fixing up alternatives.
> > [ 0.130045] #2lockdep: fixing up alternatives.
> > [ 0.203089] #3 Ok.
> > [ 0.275286] Brought up 4 CPUs
> > [ 0.276005] Total of 4 processors activated (16017.17 BogoMIPS).
>
> This does look like a new one, thank you for reporting it!
>
> Here is my analysis, which should at least provide some humor value to
> those who understand the code better than I do. ;-)
>
> So the corresponding rcu_dereference_check() is in
> task_subsys_state_check(), and is fetching the cpu_cgroup_subsys_id
> element of the newly created task's task->cgroups->subsys[] array.
> The "git grep" command finds only three uses of cpu_cgroup_subsys_id,
> but no definition.
>
> Now, fork_idle() invokes copy_process(), which invokes cgroup_fork(),
> which sets the child process's ->cgroups pointer to that of the parent,
> also invoking get_css_set(), which increments the corresponding reference
> count, doing both operations under task_lock() protection (->alloc_lock).
> Because fork_idle() does not specify any of CLONE_NEWNS, CLONE_NEWUTS,
> CLONE_NEWIPC, CLONE_NEWPID, or CLONE_NEWNET, copy_namespaces() should
> not create a new namespace, and so there should be no ns_cgroup_clone().
> We should thus retain the parent's ->cgroups pointer. And copy_process()
> installs the new task in the various lists, so that the task is externally
> accessible upon return.
>
> After a non-error return from copy_process(), fork_init() invokes
> init_idle_pid(), which does not appear to affect the task's cgroup
> state. Next fork_init() invokes init_idle(), which in turn invokes
> __set_task_cpu(), which invokes set_task_rq(), which calls task_group()
> several times, which calls task_subsys_state_check(), which calls the
> rcu_dereference_check() that complained above.
>
> However, the result returns by rcu_dereference_check() is stored into
> the task structure:
>
> p->se.cfs_rq = task_group(p)->cfs_rq[cpu];
> p->se.parent = task_group(p)->se[cpu];
>
> This means that the corresponding structure must have been tied down with
> a reference count or some such. If such a reference has been taken, then
> this complaint is a false positive, and could be suppressed by putting
> rcu_read_lock() and rcu_read_unlock() around the call to init_idle()
> from fork_idle(). However, although, reference to the enclosing ->cgroups
> struct css_set is held, it is not clear to me that this reference applies
> to the structures pointed to by the ->subsys[] array, especially given
> that the cgroup_subsys_state structures referenced by this array have
> their own reference count, which does not appear to me to be acquired
> by this code path.
>
> Or are the cgroup_subsys_state structures referenced by idle tasks
> never freed or some such?
I would hope so!, the idle tasks should be part of the root cgroup,
which is not removable.
The problem is that while we do in-fact hold rq->lock, the newly spawned
idle thread's cpu is not yet set to the correct cpu so the lockdep check
in task_group():
lockdep_is_held(&task_rq(p)->lock)
will fail.
But of a chicken and egg problem. Setting the cpu needs to have the cpu
set ;-)
Ingo, why do we have rq->lock there at all? The CPU isn't up and running
yet, nothing should be touching it.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/sched.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index bd8b487..6241049 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5332,7 +5332,19 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu)
idle->se.exec_start = sched_clock();
cpumask_copy(&idle->cpus_allowed, cpumask_of(cpu));
+ /*
+ * We're having a chicken and egg problem, even though we are
+ * holding rq->lock, the cpu isn't yet set to this cpu so the
+ * lockdep check in task_group() will fail.
+ *
+ * Similar case to sched_fork(). / Alternatively we could
+ * use task_rq_lock() here and obtain the other rq->lock.
+ *
+ * Silence PROVE_RCU
+ */
+ rcu_read_lock();
__set_task_cpu(idle, cpu);
+ rcu_read_unlock();
rq->curr = rq->idle = idle;
#if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW)
--
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22
linux-2.6-v4l-dvb-hdpvr-updates.patch
View File

@ -2,18 +2,6 @@ These are from the media_tree staging/v2.6.37 branch:
http://git.linuxtv.org/media_tree.git?a=shortlog;h=refs/heads/staging/v2.6.37
commit 203096251dce7079ef6689836e08a97c2365a258
Author: James M McLaren <mclaren@tulane.edu>
Date: Sun Oct 3 19:09:18 2010 -0300
[media] hdpvr: Add missing URB_NO_TRANSFER_DMA_MAP flag
Necessary on arm.
Signed-off-by: Janne Grunau <j@jannau.net>
Cc: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
commit 0987d5b39def07e081376ec48e0825a8d9d0c1e0
Author: Alan Young <ayoung@teleport.com>
Date: Mon Jul 26 08:17:53 2010 -0300
@ -109,15 +97,7 @@ Index: linux-2.6.35.x86_64.ir/drivers/media/video/hdpvr/hdpvr-video.c
#define print_buffer_status() { \
v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \
@@ -157,6 +157,7 @@ int hdpvr_alloc_buffers(struct hdpvr_dev
mem, dev->bulk_in_size,
hdpvr_read_bulk_callback, buf);
+ buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
buf->status = BUFSTAT_AVAILABLE;
list_add_tail(&buf->buff_list, &dev->free_buff_list);
}
@@ -337,8 +338,6 @@ static int hdpvr_stop_streaming(struct h
@@ -337,8 +337,6 @@ static int hdpvr_stop_streaming(struct h
dev->bulk_in_endpointAddr),
buf, dev->bulk_in_size, &actual_length,
BULK_URB_TIMEOUT)) {

85
pnpacpi-cope-with-invalid-device-ids.patch
View File

@ -1,85 +0,0 @@
commit 420a0f66378c84b00b0e603e4d38210102dbe367
Author: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat Sep 18 10:11:09 2010 -0700
PNPACPI: cope with invalid device IDs
If primary ID (HID) is invalid try locating first valid ID on compatible
ID list before giving up.
This helps, for example, to recognize i8042 AUX port on Sony Vaio VPCZ1
which uses SNYSYN0003 as HID. Without the patch users are forced to
boot with i8042.nopnp to make use of their touchpads.
Tested-by: Jan-Hendrik Zab <jan@jhz.name>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index dc4e32e..0d943ee 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -28,7 +28,7 @@
#include "../base.h"
#include "pnpacpi.h"
-static int num = 0;
+static int num;
/* We need only to blacklist devices that have already an acpi driver that
* can't use pnp layer. We don't need to blacklist device that are directly
@@ -180,11 +180,24 @@ struct pnp_protocol pnpacpi_protocol = {
};
EXPORT_SYMBOL(pnpacpi_protocol);
+static char *pnpacpi_get_id(struct acpi_device *device)
+{
+ struct acpi_hardware_id *id;
+
+ list_for_each_entry(id, &device->pnp.ids, list) {
+ if (ispnpidacpi(id->id))
+ return id->id;
+ }
+
+ return NULL;
+}
+
static int __init pnpacpi_add_device(struct acpi_device *device)
{
acpi_handle temp = NULL;
acpi_status status;
struct pnp_dev *dev;
+ char *pnpid;
struct acpi_hardware_id *id;
/*
@@ -192,11 +205,17 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
* driver should not be loaded.
*/
status = acpi_get_handle(device->handle, "_CRS", &temp);
- if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
- is_exclusive_device(device) || (!device->status.present))
+ if (ACPI_FAILURE(status))
+ return 0;
+
+ pnpid = pnpacpi_get_id(device);
+ if (!pnpid)
+ return 0;
+
+ if (is_exclusive_device(device) || !device->status.present)
return 0;
- dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
+ dev = pnp_alloc_dev(&pnpacpi_protocol, num, pnpid);
if (!dev)
return -ENOMEM;
@@ -227,7 +246,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
pnpacpi_parse_resource_option_data(dev);
list_for_each_entry(id, &device->pnp.ids, list) {
- if (!strcmp(id->id, acpi_device_hid(device)))
+ if (!strcmp(id->id, pnpid))
continue;
if (!ispnpidacpi(id->id))
continue;

63
r8169-01-fix-rx-checksum-offload.patch
View File

@ -1,63 +0,0 @@
From sgruszka@redhat.com Fri Nov 26 08:04:40 2010
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: kernel@lists.fedoraproject.org, Kyle McMartin <kmcmartin@redhat.com>
Subject: [PATCH 2.6.35 1/3] r8169: fix rx checksum offload
Date: Fri, 26 Nov 2010 14:04:31 +0100
From: Eric Dumazet <eric.dumazet@gmail.com>
Commit adea1ac7effbddbe60a9de6d63462bfe79289e59 upstream.
All skbs given to network stack had their ip_summed set to
CHECKSUM_NONE, while hardware said they had correct TCP/UDP checksums.
The reason is driver sets skb->ip_summed on the original skb before the
copy eventually done by copybreak. The fresh skb gets the ip_summed =
CHECKSUM_NONE value, forcing network stack to recompute checksum, and
preventing my GRO patch to work.
Fix is to make the ip_summed setting after skb copy.
Note : rx_copybreak current value is 16383, so all frames are copied...
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/r8169.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index ad9833b..60b5911 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -4458,9 +4458,8 @@ static inline int rtl8169_fragmented_frame(u32 status)
return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
}
-static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc)
+static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
{
- u32 opts1 = le32_to_cpu(desc->opts1);
u32 status = opts1 & RxProtoMask;
if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
@@ -4554,8 +4553,6 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
continue;
}
- rtl8169_rx_csum(skb, desc);
-
if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) {
pci_dma_sync_single_for_device(pdev, addr,
pkt_size, PCI_DMA_FROMDEVICE);
@@ -4566,6 +4563,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
tp->Rx_skbuff[entry] = NULL;
}
+ rtl8169_rx_csum(skb, status);
skb_put(skb, pkt_size);
skb->protocol = eth_type_trans(skb, dev);
--
1.7.1

44
r8169-02-_re_init-phy-on-resume.patch
View File

@ -1,44 +0,0 @@
From sgruszka@redhat.com Fri Nov 26 08:04:42 2010
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: kernel@lists.fedoraproject.org, Kyle McMartin <kmcmartin@redhat.com>
Subject: [PATCH 2.6.35 2/3] r8169: (re)init phy on resume
Date: Fri, 26 Nov 2010 14:04:32 +0100
Commit fccec10b33503a2b1197c8e7a3abd30443bedb08 upstream.
Fix switching device to low-speed mode after resume reported in:
https://bugzilla.redhat.com/show_bug.cgi?id=502974
Reported-and-tested-by: Laurentiu Badea <bugzilla-redhat@wotevah.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/r8169.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 60b5911..661109f 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -4893,6 +4893,9 @@ static int rtl8169_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
+ struct rtl8169_private *tp = netdev_priv(dev);
+
+ rtl8169_init_phy(dev, tp);
if (netif_running(dev))
__rtl8169_resume(dev);
@@ -4933,6 +4936,8 @@ static int rtl8169_runtime_resume(struct device *device)
tp->saved_wolopts = 0;
spin_unlock_irq(&tp->lock);
+ rtl8169_init_phy(dev, tp);
+
__rtl8169_resume(dev);
return 0;
--
1.7.1

34
r8169-03-fix-broken-checksum-for-invalid-sctp_igmp-packets.patch
View File

@ -1,34 +0,0 @@
From sgruszka@redhat.com Fri Nov 26 08:04:43 2010
From: Stanislaw Gruszka <sgruszka@redhat.com>
To: kernel@lists.fedoraproject.org, Kyle McMartin <kmcmartin@redhat.com>
Subject: [PATCH 2.6.35 3/3] r8169: fix broken checksum for invalid sctp/igmp packets
Date: Fri, 26 Nov 2010 14:04:33 +0100
From: Shan Wei <shanwei@cn.fujitsu.com>
Commit d5d3ebe3be5c5123f2d444e186717f45284151e2 upstream.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/r8169.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 661109f..b99dd04 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -4463,8 +4463,7 @@ static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
u32 status = opts1 & RxProtoMask;
if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
- ((status == RxProtoUDP) && !(opts1 & UDPFail)) ||
- ((status == RxProtoIP) && !(opts1 & IPFail)))
+ ((status == RxProtoUDP) && !(opts1 & UDPFail)))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
--
1.7.1

2
sources
View File

@ -1,2 +1,2 @@
091abeb4684ce03d1d936851618687b6 linux-2.6.35.tar.bz2
eca407cf4872ad77ae23adc8242389c4 patch-2.6.35.9.bz2
0741b3219a009fdfc41c766416007fcf patch-2.6.35.10.bz2