Commit 215237a5 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

Merge tag 'v4.20-rc1' into patchwork 

Linux 4.20-rc1

* tag 'v4.20-rc1': (836 commits)
  Linux 4.20-rc1
  sched/topology: Fix off by one bug
  memory_hotplug: cond_resched in __remove_pages
  bfs: add sanity check at bfs_fill_super()
  kernel/sysctl.c: remove duplicated include
  kernel/kexec_file.c: remove some duplicated includes
  mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask
  ocfs2: fix clusters leak in ocfs2_defrag_extent()
  ocfs2: dlmglue: clean up timestamp handling
  ocfs2: don't put and assigning null to bh allocated outside
  ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
  ocfs2: don't use iocb when EIOCBQUEUED returns
  ocfs2: without quota support, avoid calling quota recovery
  ocfs2: remove ocfs2_is_o2cb_active()
  mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
  include/linux/notifier.h: SRCU: fix ctags
  mm: handle no memcg case in memcg_kmem_charge() properly
  ARM: dts: stm32: update HASH1 dmas property on stm32mp157c
  ARM: orion: avoid VLA in orion_mpp_conf
  iov_iter: Fix 9p virtio breakage
  ...
parents df18bfd3 65102238

Documentation/ABI/testing/sysfs-platform-lg-laptop

0 → 100644
+35 −0
Original line number Diff line number Diff line 
What:		/sys/devices/platform/lg-laptop/reader_mode

Date:		October 2018

KernelVersion:	4.20

Contact:	"Matan Ziv-Av <matan@svgalib.org>

Description:

        Control reader mode. 1 means on, 0 means off.



What:		/sys/devices/platform/lg-laptop/fn_lock

Date:		October 2018

KernelVersion:	4.20

Contact:	"Matan Ziv-Av <matan@svgalib.org>

Description:

        Control FN lock mode. 1 means on, 0 means off.



What:		/sys/devices/platform/lg-laptop/battery_care_limit

Date:		October 2018

KernelVersion:	4.20

Contact:	"Matan Ziv-Av <matan@svgalib.org>

Description:

        Maximal battery charge level. Accepted values are 80 or 100.



What:		/sys/devices/platform/lg-laptop/fan_mode

Date:		October 2018

KernelVersion:	4.20

Contact:	"Matan Ziv-Av <matan@svgalib.org>

Description:

        Control fan mode. 1 for performance mode, 0 for silent mode.



What:		/sys/devices/platform/lg-laptop/usb_charge

Date:		October 2018

KernelVersion:	4.20

Contact:	"Matan Ziv-Av <matan@svgalib.org>

Description:

        Control USB port charging when device is turned off.

        1 means on, 0 means off.

Documentation/admin-guide/cgroup-v2.rst

+3 −5
Original line number Diff line number Diff line
@@ -1879,10 +1879,8 @@ following two functions. 


  wbc_init_bio(@wbc, @bio)

	Should be called for each bio carrying writeback data and

	associates the bio with the inode's owner cgroup and the

	corresponding request queue.  This must be called after

	a queue (device) has been associated with the bio and

	before submission.

	associates the bio with the inode's owner cgroup.  Can be

	called anytime between bio allocation and submission.



  wbc_account_io(@wbc, @page, @bytes)

	Should be called for each data segment being written out.
@@ -1901,7 +1899,7 @@ the configuration, the bio may be executed at a lower priority and if 
the writeback session is holding shared resources, e.g. a journal

entry, may lead to priority inversion.  There is no one easy solution

for the problem.  Filesystems can try to work around specific problem

cases by skipping wbc_init_bio() or using bio_associate_create_blkg()

cases by skipping wbc_init_bio() or using bio_associate_blkcg()

directly.

Documentation/admin-guide/kernel-parameters.txt

+5 −1
Original line number Diff line number Diff line
@@ -1068,7 +1068,7 @@ 
			earlyprintk=serial[,0x...[,baudrate]]

			earlyprintk=ttySn[,baudrate]

			earlyprintk=dbgp[debugController#]

			earlyprintk=pciserial,bus:device.function[,baudrate]

			earlyprintk=pciserial[,force],bus:device.function[,baudrate]

			earlyprintk=xdbc[xhciController#]



			earlyprintk is useful when the kernel crashes before
@@ -1100,6 +1100,10 @@ 


			The sclp output can only be used on s390.



			The optional "force" to "pciserial" enables use of a

			PCI device even when its classcode is not of the

			UART class.



	edac_report=	[HW,EDAC] Control how to report EDAC event

			Format: {"on" | "off" | "force"}

			on: enable EDAC to report H/W event. May be overridden

Documentation/crypto/asymmetric-keys.txt

+21 −5
Original line number Diff line number Diff line
@@ -183,6 +183,10 @@ and looks like the following: 


		void (*describe)(const struct key *key, struct seq_file *m);

		void (*destroy)(void *payload);

		int (*query)(const struct kernel_pkey_params *params,

			     struct kernel_pkey_query *info);

		int (*eds_op)(struct kernel_pkey_params *params,

			      const void *in, void *out);

		int (*verify_signature)(const struct key *key,

					const struct public_key_signature *sig);

	};
@@ -207,12 +211,22 @@ There are a number of operations defined by the subtype: 
     asymmetric key will look after freeing the fingerprint and releasing the

     reference on the subtype module.



 (3) verify_signature().

 (3) query().



     Optional.  These are the entry points for the key usage operations.

     Currently there is only the one defined.  If not set, the caller will be

     given -ENOTSUPP.  The subtype may do anything it likes to implement an

     operation, including offloading to hardware.

     Mandatory.  This is a function for querying the capabilities of a key.



 (4) eds_op().



     Optional.  This is the entry point for the encryption, decryption and

     signature creation operations (which are distinguished by the operation ID

     in the parameter struct).  The subtype may do anything it likes to

     implement an operation, including offloading to hardware.



 (5) verify_signature().



     Optional.  This is the entry point for signature verification.  The

     subtype may do anything it likes to implement an operation, including

     offloading to hardware.





==========================
@@ -234,6 +248,8 @@ Examples of blob formats for which parsers could be implemented include: 
 - X.509 ASN.1 stream.

 - Pointer to TPM key.

 - Pointer to UEFI key.

 - PKCS#8 private key [RFC 5208].

 - PKCS#5 encrypted private key [RFC 2898].



During key instantiation each parser in the list is tried until one doesn't

return -EBADMSG.

Documentation/devicetree/bindings/arm/cpu-capacity.txt

+5 −3
Original line number Diff line number Diff line
@@ -59,9 +59,11 @@ mhz values (normalized w.r.t. the highest value found while parsing the DT). 
===========================================



Example 1 (ARM 64-bit, 6-cpu system, two clusters):

capacities-dmips-mhz are scaled w.r.t. 1024 (cpu@0 and cpu@1)

supposing cluster0@max-freq=1100 and custer1@max-freq=850,

final capacities are 1024 for cluster0 and 446 for cluster1

The capacities-dmips-mhz or DMIPS/MHz values (scaled to 1024)

are 1024 and 578 for cluster0 and cluster1. Further normalization

is done by the operating system based on cluster0@max-freq=1100 and

custer1@max-freq=850, final capacities are 1024 for cluster0 and

446 for cluster1 (576*850/1100).



cpus {

	#address-cells = <2>;

CRA Git | Maintained and supported by SUSTech CRA and CCSE