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Merge branches 'feature/linux-hardened', 'feature/lockdown' and 'reve…

…rts'

In this new major kernel version, we drop 'feature/stackleak' which was
extending upstream's STACKLEAK with alloca() calls checking
(7a94313 - "stackleak: reintroduce checking of alloca() calls").
The rationale described at that time was:
    - act as a failsafe, for instance if VLAs were to be inadvertently
    reintroduced: this should not happen now that -Wvla is used;
    - protect out-of-tree code: likewise, plus we control such code.

Change-Id: I99b386055f97a1827d7b5461ffbf04604d062d7e
Signed-off-by: Thibaut Sautereau <thibaut.sautereau@ssi.gouv.fr>
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tsautereau-anssi committed Jun 11, 2019
4 parents b079ace + 36bfd5a + bb8655c + d8bce90 commit 3e5f9114fc2f70f6d2ae5d10db10869e0564eb03
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@@ -78,6 +78,8 @@ ForEachMacros:
- 'ata_qc_for_each_with_internal'
- 'ax25_for_each'
- 'ax25_uid_for_each'
- '__bio_for_each_bvec'
- 'bio_for_each_bvec'
- 'bio_for_each_integrity_vec'
- '__bio_for_each_segment'
- 'bio_for_each_segment'
@@ -118,10 +120,12 @@ ForEachMacros:
- 'drm_for_each_legacy_plane'
- 'drm_for_each_plane'
- 'drm_for_each_plane_mask'
- 'drm_for_each_privobj'
- 'drm_mm_for_each_hole'
- 'drm_mm_for_each_node'
- 'drm_mm_for_each_node_in_range'
- 'drm_mm_for_each_node_safe'
- 'flow_action_for_each'
- 'for_each_active_drhd_unit'
- 'for_each_active_iommu'
- 'for_each_available_child_of_node'
@@ -158,6 +162,9 @@ ForEachMacros:
- 'for_each_dss_dev'
- 'for_each_efi_memory_desc'
- 'for_each_efi_memory_desc_in_map'
- 'for_each_element'
- 'for_each_element_extid'
- 'for_each_element_id'
- 'for_each_endpoint_of_node'
- 'for_each_evictable_lru'
- 'for_each_fib6_node_rt_rcu'
@@ -195,6 +202,7 @@ ForEachMacros:
- 'for_each_net_rcu'
- 'for_each_new_connector_in_state'
- 'for_each_new_crtc_in_state'
- 'for_each_new_mst_mgr_in_state'
- 'for_each_new_plane_in_state'
- 'for_each_new_private_obj_in_state'
- 'for_each_node'
@@ -210,8 +218,10 @@ ForEachMacros:
- 'for_each_of_pci_range'
- 'for_each_old_connector_in_state'
- 'for_each_old_crtc_in_state'
- 'for_each_old_mst_mgr_in_state'
- 'for_each_oldnew_connector_in_state'
- 'for_each_oldnew_crtc_in_state'
- 'for_each_oldnew_mst_mgr_in_state'
- 'for_each_oldnew_plane_in_state'
- 'for_each_oldnew_plane_in_state_reverse'
- 'for_each_oldnew_private_obj_in_state'
@@ -240,8 +250,12 @@ ForEachMacros:
- 'for_each_set_bit'
- 'for_each_set_bit_from'
- 'for_each_sg'
- 'for_each_sg_dma_page'
- 'for_each_sg_page'
- 'for_each_sibling_event'
- 'for_each_subelement'
- 'for_each_subelement_extid'
- 'for_each_subelement_id'
- '__for_each_thread'
- 'for_each_thread'
- 'for_each_zone'
@@ -251,6 +265,8 @@ ForEachMacros:
- 'fwnode_for_each_child_node'
- 'fwnode_graph_for_each_endpoint'
- 'gadget_for_each_ep'
- 'genradix_for_each'
- 'genradix_for_each_from'
- 'hash_for_each'
- 'hash_for_each_possible'
- 'hash_for_each_possible_rcu'
@@ -289,11 +305,14 @@ ForEachMacros:
- 'idr_for_each_entry_ul'
- 'inet_bind_bucket_for_each'
- 'inet_lhash2_for_each_icsk_rcu'
- 'iov_for_each'
- 'key_for_each'
- 'key_for_each_safe'
- 'klp_for_each_func'
- 'klp_for_each_func_safe'
- 'klp_for_each_func_static'
- 'klp_for_each_object'
- 'klp_for_each_object_safe'
- 'klp_for_each_object_static'
- 'kvm_for_each_memslot'
- 'kvm_for_each_vcpu'
- 'list_for_each'
@@ -324,6 +343,8 @@ ForEachMacros:
- 'media_device_for_each_intf'
- 'media_device_for_each_link'
- 'media_device_for_each_pad'
- 'mp_bvec_for_each_page'
- 'mp_bvec_for_each_segment'
- 'nanddev_io_for_each_page'
- 'netdev_for_each_lower_dev'
- 'netdev_for_each_lower_private'
@@ -360,6 +381,7 @@ ForEachMacros:
- 'radix_tree_for_each_slot'
- 'radix_tree_for_each_tagged'
- 'rbtree_postorder_for_each_entry_safe'
- 'rdma_for_each_port'
- 'resource_list_for_each_entry'
- 'resource_list_for_each_entry_safe'
- 'rhl_for_each_entry_rcu'
@@ -374,6 +396,7 @@ ForEachMacros:
- 'rht_for_each_rcu'
- 'rht_for_each_rcu_continue'
- '__rq_for_each_bio'
- 'rq_for_each_bvec'
- 'rq_for_each_segment'
- 'scsi_for_each_prot_sg'
- 'scsi_for_each_sg'
@@ -409,6 +432,8 @@ ForEachMacros:
- 'v4l2_m2m_for_each_src_buf_safe'
- 'virtio_device_for_each_vq'
- 'xa_for_each'
- 'xa_for_each_marked'
- 'xa_for_each_start'
- 'xas_for_each'
- 'xas_for_each_conflict'
- 'xas_for_each_marked'
@@ -123,6 +123,7 @@ Mark Brown <broonie@sirena.org.uk>
Mark Yao <markyao0591@gmail.com> <mark.yao@rock-chips.com>
Martin Kepplinger <martink@posteo.de> <martin.kepplinger@theobroma-systems.com>
Martin Kepplinger <martink@posteo.de> <martin.kepplinger@ginzinger.com>
Mathieu Othacehe <m.othacehe@gmail.com>
Matthew Wilcox <willy@infradead.org> <matthew.r.wilcox@intel.com>
Matthew Wilcox <willy@infradead.org> <matthew@wil.cx>
Matthew Wilcox <willy@infradead.org> <mawilcox@linuxonhyperv.com>
@@ -155,6 +156,8 @@ Morten Welinder <welinder@darter.rentec.com>
Morten Welinder <welinder@troll.com>
Mythri P K <mythripk@ti.com>
Nguyen Anh Quynh <aquynh@gmail.com>
Nicolas Pitre <nico@fluxnic.net> <nicolas.pitre@linaro.org>
Nicolas Pitre <nico@fluxnic.net> <nico@linaro.org>
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Patrick Mochel <mochel@digitalimplant.org>
Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com>
@@ -223,3 +226,5 @@ Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
Gustavo Padovan <padovan@profusion.mobi>
Changbin Du <changbin.du@intel.com> <changbin.du@intel.com>
Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com>
@@ -1221,7 +1221,7 @@ S: Brazil

N: Oded Gabbay
E: oded.gabbay@gmail.com
D: AMD KFD maintainer
D: HabanaLabs and AMD KFD maintainer
S: 12 Shraga Raphaeli
S: Petah-Tikva, 4906418
S: Israel
@@ -0,0 +1,22 @@
What: /sys/class/dax/
Date: May, 2016
KernelVersion: v4.7
Contact: linux-nvdimm@lists.01.org
Description: Device DAX is the device-centric analogue of Filesystem
DAX (CONFIG_FS_DAX). It allows memory ranges to be
allocated and mapped without need of an intervening file
system. Device DAX is strict, precise and predictable.
Specifically this interface:

1/ Guarantees fault granularity with respect to a given
page size (pte, pmd, or pud) set at configuration time.

2/ Enforces deterministic behavior by being strict about
what fault scenarios are supported.

The /sys/class/dax/ interface enumerates all the
device-dax instances in the system. The ABI is
deprecated and will be removed after 2020. It is
replaced with the DAX bus interface /sys/bus/dax/ where
device-dax instances can be found under
/sys/bus/dax/devices/
@@ -146,3 +146,36 @@ KernelVersion: 4.16
Contact: Stephen Hemminger <sthemmin@microsoft.com>
Description: Binary file created by uio_hv_generic for ring buffer
Users: Userspace drivers

What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_in_full
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of guest to host interrupts caused by the inbound ring
buffer transitioning from full to not full while a packet is
waiting for buffer space to become available
Users: Debugging tools

What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/intr_out_empty
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of guest to host interrupts caused by the outbound ring
buffer transitioning from empty to not empty
Users: Debugging tools

What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_first
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Number of write operations that were the first to encounter an
outbound ring buffer full condition
Users: Debugging tools

What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/out_full_total
Date: February 2019
KernelVersion: 5.0
Contact: Michael Kelley <mikelley@microsoft.com>
Description: Total number of write operations that encountered an outbound
ring buffer full condition
Users: Debugging tools
@@ -21,7 +21,19 @@ Description: These files show with which CPLD versions have been burned
The files are read only.

What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
cpld3_version
fan_dir

Date: December 2018
KernelVersion: 5.0
Contact: Vadim Pasternak <vadimpmellanox.com>
Description: This file shows the system fans direction:
forward direction - relevant bit is set 0;
reversed direction - relevant bit is set 1.

The files are read only.

What: /sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/
jtag_enable

Date: November 2018
KernelVersion: 5.0
@@ -0,0 +1,126 @@
What: /sys/kernel/debug/habanalabs/hl<n>/addr
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets the device address to be used for read or write through
PCI bar. The acceptable value is a string that starts with "0x"

What: /sys/kernel/debug/habanalabs/hl<n>/command_buffers
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays a list with information about the currently allocated
command buffers

What: /sys/kernel/debug/habanalabs/hl<n>/command_submission
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays a list with information about the currently active
command submissions

What: /sys/kernel/debug/habanalabs/hl<n>/command_submission_jobs
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays a list with detailed information about each JOB (CB) of
each active command submission

What: /sys/kernel/debug/habanalabs/hl<n>/data32
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Allows the root user to read or write directly through the
device's PCI bar. Writing to this file generates a write
transaction while reading from the file generates a read
transcation. This custom interface is needed (instead of using
the generic Linux user-space PCI mapping) because the DDR bar
is very small compared to the DDR memory and only the driver can
move the bar before and after the transaction

What: /sys/kernel/debug/habanalabs/hl<n>/device
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Enables the root user to set the device to specific state.
Valid values are "disable", "enable", "suspend", "resume".
User can read this property to see the valid values

What: /sys/kernel/debug/habanalabs/hl<n>/i2c_addr
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets I2C device address for I2C transaction that is generated
by the device's CPU

What: /sys/kernel/debug/habanalabs/hl<n>/i2c_bus
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets I2C bus address for I2C transaction that is generated by
the device's CPU

What: /sys/kernel/debug/habanalabs/hl<n>/i2c_data
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Triggers an I2C transaction that is generated by the device's
CPU. Writing to this file generates a write transaction while
reading from the file generates a read transcation

What: /sys/kernel/debug/habanalabs/hl<n>/i2c_reg
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets I2C register id for I2C transaction that is generated by
the device's CPU

What: /sys/kernel/debug/habanalabs/hl<n>/led0
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets the state of the first S/W led on the device

What: /sys/kernel/debug/habanalabs/hl<n>/led1
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets the state of the second S/W led on the device

What: /sys/kernel/debug/habanalabs/hl<n>/led2
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets the state of the third S/W led on the device

What: /sys/kernel/debug/habanalabs/hl<n>/mmu
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays the hop values and physical address for a given ASID
and virtual address. The user should write the ASID and VA into
the file and then read the file to get the result.
e.g. to display info about VA 0x1000 for ASID 1 you need to do:
echo "1 0x1000" > /sys/kernel/debug/habanalabs/hl0/mmu

What: /sys/kernel/debug/habanalabs/hl<n>/set_power_state
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Sets the PCI power state. Valid values are "1" for D0 and "2"
for D3Hot

What: /sys/kernel/debug/habanalabs/hl<n>/userptr
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays a list with information about the currently user
pointers (user virtual addresses) that are pinned and mapped
to DMA addresses

What: /sys/kernel/debug/habanalabs/hl<n>/vm
Date: Jan 2019
KernelVersion: 5.1
Contact: oded.gabbay@gmail.com
Description: Displays a list with information about all the active virtual
address mappings per ASID
@@ -0,0 +1,23 @@
What: /sys/kernel/debug/wilco_ec/raw
Date: January 2019
KernelVersion: 5.1
Description:
Write and read raw mailbox commands to the EC.

For writing:
Bytes 0-1 indicate the message type:
00 F0 = Execute Legacy Command
00 F2 = Read/Write NVRAM Property
Byte 2 provides the command code
Bytes 3+ consist of the data passed in the request

At least three bytes are required, for the msg type and command,
with additional bytes optional for additional data.

Example:
// Request EC info type 3 (EC firmware build date)
$ echo 00 f0 38 00 03 00 > raw
// View the result. The decoded ASCII result "12/21/18" is
// included after the raw hex.
$ cat raw
00 31 32 2f 32 31 2f 31 38 00 38 00 01 00 2f 00 .12/21/18.8...

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