the former is an analogue of mount_{single,nodev} for use in
->get_tree() instances, the latter - analogue of sget() for the
same.
These are fairly similar to the originals, but the callback signature
for sget_fc() is different from sget() ones, so getting bits and
pieces shared would be too convoluted; we might get around to that
later, but for now let's just remember to keep them in sync. They
do live next to each other, and changes in either won't be hard
to spot.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[AV - unfuck kern_mount_data(); we want non-NULL ->mnt_ns on long-living
mounts]
[AV - reordering fs/namespace.c is badly overdue, but let's keep it
separate from that series]
[AV - drop simple_pin_fs() change]
[AV - clean vfs_kern_mount() failure exits up]
Implement a filesystem context concept to be used during superblock
creation for mount and superblock reconfiguration for remount.
The mounting procedure then becomes:
(1) Allocate new fs_context context.
(2) Configure the context.
(3) Create superblock.
(4) Query the superblock.
(5) Create a mount for the superblock.
(6) Destroy the context.
Rather than calling fs_type->mount(), an fs_context struct is created and
fs_type->init_fs_context() is called to set it up. Pointers exist for the
filesystem and LSM to hang their private data off.
A set of operations has to be set by ->init_fs_context() to provide
freeing, duplication, option parsing, binary data parsing, validation,
mounting and superblock filling.
Legacy filesystems are supported by the provision of a set of legacy
fs_context operations that build up a list of mount options and then invoke
fs_type->mount() from within the fs_context ->get_tree() operation. This
allows all filesystems to be accessed using fs_context.
It should be noted that, whilst this patch adds a lot of lines of code,
there is quite a bit of duplication with existing code that can be
eliminated should all filesystems be converted over.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Put security flags, such as SECURITY_LSM_NATIVE_LABELS, into the filesystem
context so that the filesystem can communicate them to the LSM more easily.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Implement the new mount API LSM hooks for SELinux. At some point the old
hooks will need to be removed.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Paul Moore <paul@paul-moore.com>
cc: Stephen Smalley <sds@tycho.nsa.gov>
cc: selinux@tycho.nsa.gov
cc: linux-security-module@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Add LSM hooks for use by the new mount API and filesystem context code.
This includes:
(1) Hooks to handle allocation, duplication and freeing of the security
record attached to a filesystem context.
(2) A hook to snoop source specifications. There may be multiple of these
if the filesystem supports it. They will to be local files/devices if
fs_context::source_is_dev is true and will be something else, possibly
remote server specifications, if false.
(3) A hook to snoop superblock configuration options in key[=val] form.
If the LSM decides it wants to handle it, it can suppress the option
being passed to the filesystem. Note that 'val' may include commas
and binary data with the fsopen patch.
(4) A hook to perform validation and allocation after the configuration
has been done but before the superblock is allocated and set up.
(5) A hook to transfer the security from the context to a newly created
superblock.
(6) A hook to rule on whether a path point can be used as a mountpoint.
These are intended to replace:
security_sb_copy_data
security_sb_kern_mount
security_sb_mount
security_sb_set_mnt_opts
security_sb_clone_mnt_opts
security_sb_parse_opts_str
[AV -- some of the methods being replaced are already gone, some of the
methods are not added for the lack of need]
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-security-module@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Because the new API passes in key,value parameters, match_token() cannot be
used with it. Instead, provide three new helpers to aid with parsing:
(1) fs_parse(). This takes a parameter and a simple static description of
all the parameters and maps the key name to an ID. It returns 1 on a
match, 0 on no match if unknowns should be ignored and some other
negative error code on a parse error.
The parameter description includes a list of key names to IDs, desired
parameter types and a list of enumeration name -> ID mappings.
[!] Note that for the moment I've required that the key->ID mapping
array is expected to be sorted and unterminated. The size of the
array is noted in the fsconfig_parser struct. This allows me to use
bsearch(), but I'm not sure any performance gain is worth the hassle
of requiring people to keep the array sorted.
The parameter type array is sized according to the number of parameter
IDs and is indexed directly. The optional enum mapping array is an
unterminated, unsorted list and the size goes into the fsconfig_parser
struct.
The function can do some additional things:
(a) If it's not ambiguous and no value is given, the prefix "no" on
a key name is permitted to indicate that the parameter should
be considered negatory.
(b) If the desired type is a single simple integer, it will perform
an appropriate conversion and store the result in a union in
the parse result.
(c) If the desired type is an enumeration, {key ID, name} will be
looked up in the enumeration list and the matching value will
be stored in the parse result union.
(d) Optionally generate an error if the key is unrecognised.
This is called something like:
enum rdt_param {
Opt_cdp,
Opt_cdpl2,
Opt_mba_mpbs,
nr__rdt_params
};
const struct fs_parameter_spec rdt_param_specs[nr__rdt_params] = {
[Opt_cdp] = { fs_param_is_bool },
[Opt_cdpl2] = { fs_param_is_bool },
[Opt_mba_mpbs] = { fs_param_is_bool },
};
const const char *const rdt_param_keys[nr__rdt_params] = {
[Opt_cdp] = "cdp",
[Opt_cdpl2] = "cdpl2",
[Opt_mba_mpbs] = "mba_mbps",
};
const struct fs_parameter_description rdt_parser = {
.name = "rdt",
.nr_params = nr__rdt_params,
.keys = rdt_param_keys,
.specs = rdt_param_specs,
.no_source = true,
};
int rdt_parse_param(struct fs_context *fc,
struct fs_parameter *param)
{
struct fs_parse_result parse;
struct rdt_fs_context *ctx = rdt_fc2context(fc);
int ret;
ret = fs_parse(fc, &rdt_parser, param, &parse);
if (ret < 0)
return ret;
switch (parse.key) {
case Opt_cdp:
ctx->enable_cdpl3 = true;
return 0;
case Opt_cdpl2:
ctx->enable_cdpl2 = true;
return 0;
case Opt_mba_mpbs:
ctx->enable_mba_mbps = true;
return 0;
}
return -EINVAL;
}
(2) fs_lookup_param(). This takes a { dirfd, path, LOOKUP_EMPTY? } or
string value and performs an appropriate path lookup to convert it
into a path object, which it will then return.
If the desired type was a blockdev, the type of the looked up inode
will be checked to make sure it is one.
This can be used like:
enum foo_param {
Opt_source,
nr__foo_params
};
const struct fs_parameter_spec foo_param_specs[nr__foo_params] = {
[Opt_source] = { fs_param_is_blockdev },
};
const char *char foo_param_keys[nr__foo_params] = {
[Opt_source] = "source",
};
const struct constant_table foo_param_alt_keys[] = {
{ "device", Opt_source },
};
const struct fs_parameter_description foo_parser = {
.name = "foo",
.nr_params = nr__foo_params,
.nr_alt_keys = ARRAY_SIZE(foo_param_alt_keys),
.keys = foo_param_keys,
.alt_keys = foo_param_alt_keys,
.specs = foo_param_specs,
};
int foo_parse_param(struct fs_context *fc,
struct fs_parameter *param)
{
struct fs_parse_result parse;
struct foo_fs_context *ctx = foo_fc2context(fc);
int ret;
ret = fs_parse(fc, &foo_parser, param, &parse);
if (ret < 0)
return ret;
switch (parse.key) {
case Opt_source:
return fs_lookup_param(fc, &foo_parser, param,
&parse, &ctx->source);
default:
return -EINVAL;
}
}
(3) lookup_constant(). This takes a table of named constants and looks up
the given name within it. The table is expected to be sorted such
that bsearch() be used upon it.
Possibly I should require the table be terminated and just use a
for-loop to scan it instead of using bsearch() to reduce hassle.
Tables look something like:
static const struct constant_table bool_names[] = {
{ "0", false },
{ "1", true },
{ "false", false },
{ "no", false },
{ "true", true },
{ "yes", true },
};
and a lookup is done with something like:
b = lookup_constant(bool_names, param->string, -1);
Additionally, optional validation routines for the parameter description
are provided that can be enabled at compile time. A later patch will
invoke these when a filesystem is registered.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Introduce a set of logging functions through which informational messages,
warnings and error messages incurred by the mount procedure can be logged
and, in a future patch, passed to userspace instead by way of the
filesystem configuration context file descriptor.
There are four functions:
(1) infof(const char *fmt, ...);
Logs an informational message.
(2) warnf(const char *fmt, ...);
Logs a warning message.
(3) errorf(const char *fmt, ...);
Logs an error message.
(4) invalf(const char *fmt, ...);
As errof(), but returns -EINVAL so can be used on a return statement.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This is an eventual replacement for vfs_submount() uses. Unlike the
"mount" and "remount" cases, the users of that thing are not in VFS -
they are buried in various ->d_automount() instances and rather than
converting them all at once we introduce the (thankfully small and
simple) infrastructure here and deal with the prospective users in
afs, nfs, etc. parts of the series.
Here we just introduce a new constructor (fs_context_for_submount())
along with the corresponding enum constant to be put into fc->purpose
for those.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Replace do_remount_sb() with a function, reconfigure_super(), that's
fs_context aware. The fs_context is expected to be parameterised already
and have ->root pointing to the superblock to be reconfigured.
A legacy wrapper is provided that is intended to be called from the
fs_context ops when those appear, but for now is called directly from
reconfigure_super(). This wrapper invokes the ->remount_fs() superblock op
for the moment. It is intended that the remount_fs() op will be phased
out.
The fs_context->purpose is set to FS_CONTEXT_FOR_RECONFIGURE to indicate
that the context is being used for reconfiguration.
do_umount_root() is provided to consolidate remount-to-R/O for umount and
emergency remount by creating a context and invoking reconfiguration.
do_remount(), do_umount() and do_emergency_remount_callback() are switched
to use the new process.
[AV -- fold UMOUNT and EMERGENCY_REMOUNT in; fixes the
umount / bug, gets rid of pointless complexity]
[AV -- set ->net_ns in all cases; nfs remount will need that]
[AV -- shift security_sb_remount() call into reconfigure_super(); the callers
that didn't do security_sb_remount() have NULL fc->security anyway, so it's
a no-op for them]
Signed-off-by: David Howells <dhowells@redhat.com>
Co-developed-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Right now vfs_get_tree() calls security_sb_kern_mount() (i.e.
mount MAC) unless it gets MS_KERNMOUNT or MS_SUBMOUNT in flags.
Doing it that way is both clumsy and imprecise.
Consider the callers' tree of vfs_get_tree():
vfs_get_tree()
<- do_new_mount()
<- vfs_kern_mount()
<- simple_pin_fs()
<- vfs_submount()
<- kern_mount_data()
<- init_mount_tree()
<- btrfs_mount()
<- vfs_get_tree()
<- nfs_do_root_mount()
<- nfs4_try_mount()
<- nfs_fs_mount()
<- vfs_get_tree()
<- nfs4_referral_mount()
do_new_mount() always does need MAC (we are guaranteed that neither
MS_KERNMOUNT nor MS_SUBMOUNT will be passed there).
simple_pin_fs(), vfs_submount() and kern_mount_data() pass explicit
flags inhibiting that check. So does nfs4_referral_mount() (the
flags there are ulimately coming from vfs_submount()).
init_mount_tree() is called too early for anything LSM-related; it
doesn't matter whether we attempt those checks, they'll do nothing.
Finally, in case of btrfs_mount() and nfs_fs_mount(), doing MAC
is pointless - either the caller will do it, or the flags are
such that we wouldn't have done it either.
In other words, the one and only case when we want that check
done is when we are called from do_new_mount(), and there we
want it unconditionally.
So let's simply move it there. The superblock is still locked,
so nobody is going to get access to it (via ustat(2), etc.)
until we get a chance to apply the checks - we are free to
move them to any point up to where we drop ->s_umount (in
do_new_mount_fc()).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Create an fs_context-aware version of do_new_mount(). This takes an
fs_context with a superblock already attached to it.
Make do_new_mount() use do_new_mount_fc() rather than do_new_mount(); this
allows the consolidation of the mount creation, check and add steps.
To make this work, mount_too_revealing() is changed to take a superblock
rather than a mount (which the fs_context doesn't have available), allowing
this check to be done before the mount object is created.
Signed-off-by: David Howells <dhowells@redhat.com>
Co-developed-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Roll the handling of subtypes into do_new_mount() and vfs_get_tree(). The
former determines any subtype string and hangs it off the fs_context; the
latter applies it.
Make do_new_mount() create, parameterise and commit an fs_context and
create a mount for itself rather than calling vfs_kern_mount().
[AV -- missing kstrdup()]
[AV -- ... and no kstrdup() if we get to setting ->s_submount - we
simply transfer it from fc, leaving NULL behind]
[AV -- constify ->s_submount, while we are at it]
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Create a new helper, vfs_create_mount(), that creates a detached vfsmount
object from an fs_context that has a superblock attached to it.
Almost all uses will be paired with immediately preceding vfs_get_tree();
add a helper for such combination.
Switch vfs_kern_mount() to use this.
NOTE: mild behaviour change; passing NULL as 'device name' to
something like procfs will change /proc/*/mountstats - "device none"
instead on "no device". That is consistent with /proc/mounts et.al.
[do'h - EXPORT_SYMBOL_GPL slipped in by mistake; removed]
[AV -- remove confused comment from vfs_create_mount()]
[AV -- removed the second argument]
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Introduce a filesystem context concept to be used during superblock
creation for mount and superblock reconfiguration for remount. This is
allocated at the beginning of the mount procedure and into it is placed:
(1) Filesystem type.
(2) Namespaces.
(3) Source/Device names (there may be multiple).
(4) Superblock flags (SB_*).
(5) Security details.
(6) Filesystem-specific data, as set by the mount options.
Accessor functions are then provided to set up a context, parameterise it
from monolithic mount data (the data page passed to mount(2)) and tear it
down again.
A legacy wrapper is provided that implements what will be the basic
operations, wrapping access to filesystems that aren't yet aware of the
fs_context.
Finally, vfs_kern_mount() is changed to make use of the fs_context and
mount_fs() is replaced by vfs_get_tree(), called from vfs_kern_mount().
[AV -- add missing kstrdup()]
[AV -- put_cred() can be unconditional - fc->cred can't be NULL]
[AV -- take legacy_validate() contents into legacy_parse_monolithic()]
[AV -- merge KERNEL_MOUNT and USER_MOUNT]
[AV -- don't unlock superblock on success return from vfs_get_tree()]
[AV -- kill 'reference' argument of init_fs_context()]
Signed-off-by: David Howells <dhowells@redhat.com>
Co-developed-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
mount_subtree() creates (and soon destroys) a temporary namespace,
so that automounts could function normally. These beasts should
never become anyone's current namespaces; they don't, but it would
be better to make prevention of that more straightforward. And
since they don't become anyone's current namespace, we don't need
to bother with reserving procfs inums for those.
Teach alloc_mnt_ns() to skip inum allocation if told so, adjust
put_mnt_ns() accordingly, make mount_subtree() use temporary
(anon) namespace. is_anon_ns() checks if a namespace is such.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* make the reference from superblock to cgroup_root counting -
do cgroup_put() in cgroup_kill_sb() whether we'd done
percpu_ref_kill() or not; matching grab is done when we allocate
a new root. That gives the same refcounting rules for all callers
of cgroup_do_mount() - a reference to cgroup_root has been grabbed
by caller and it either is transferred to new superblock or dropped.
* have cgroup_kill_sb() treat an already killed refcount as "just
don't bother killing it, then".
* after successful cgroup_do_mount() have cgroup1_mount() recheck
if we'd raced with mount/umount from somebody else and cgroup_root
got killed. In that case we drop the superblock and bugger off
with -ERESTARTSYS, same as if we'd found it in the list already
dying.
* don't bother with delayed initialization of refcount - it's
unreliable and not needed. No need to prevent attempts to bump
the refcount if we find cgroup_root of another mount in progress -
sget will reuse an existing superblock just fine and if the
other sb manages to die before we get there, we'll catch
that immediately after cgroup_do_mount().
* don't bother with kernfs_pin_sb() - no need for doing that
either.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
same story as with last May fixes in sysfs (7b745a4e40
"unfuck sysfs_mount()"); new_sb is left uninitialized
in case of early errors in kernfs_mount_ns() and papering
over it by treating any error from kernfs_mount_ns() as
equivalent to !new_ns ends up conflating the cases when
objects had never been transferred to a superblock with
ones when that has happened and resulting new superblock
had been dropped. Easily fixed (same way as in sysfs
case). Additionally, there's a superblock leak on
kernfs_node_dentry() failure *and* a dentry leak inside
kernfs_node_dentry() itself - the latter on probably
impossible errors, but the former not impossible to trigger
(as the matter of fact, injecting allocation failures
at that point *does* trigger it).
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
UNAME26 is a mechanism to report Linux's version as 2.6.x, for
compatibility with old/broken software. Due to the way it is
implemented, it would have to be updated after 5.0, to keep the
resulting versions unique. Linus Torvalds argued:
"Do we actually need this?
I'd rather let it bitrot, and just let it return random versions. It
will just start again at 2.4.60, won't it?
Anybody who uses UNAME26 for a 5.x kernel might as well think it's
still 4.x. The user space is so old that it can't possibly care about
differences between 4.x and 5.x, can it?
The only thing that matters is that it shows "2.4.<largeenough>",
which it will do regardless"
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A bigger batch than I anticipated this week, for two reasons:
- Some fallout on Davinci from board file -> DTB conversion, that also
includes a few longer-standing fixes (i.e. not recent regressions).
- drivers/reset material that has been in linux-next for a while, but
didn't get sent to us until now for a variety of reasons (maintainer out
sick, holidays, etc). There's a functional dependency in there such that
one platform (Altera's SoCFPGA) won't boot without one of the patches;
instead of reverting the patch that got merged, I looked at this set
and decided it was small enough that I'll pick it up anyway. If you
disagree I can revisit with a smaller set.
That being said, there's also a handful of the usual stuff:
- Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved
memory
- Fix for PCIe reset on Macchiatobin (Armada 8K development board, what
this email is sent from in fact :)
- Enable a few new-merged modules for Amlogic in arm64 defconfig
- Error path fixes on Integrator
- Build fix for Renesas and Qualcomm
- Initialization fix for Renesas RZ/G2E
+ A few more fixlets.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A bigger batch than I anticipated this week, for two reasons:
- Some fallout on Davinci from board file -> DTB conversion, that
also includes a few longer-standing fixes (i.e. not recent
regressions).
- drivers/reset material that has been in linux-next for a while, but
didn't get sent to us until now for a variety of reasons
(maintainer out sick, holidays, etc). There's a functional
dependency in there such that one platform (Altera's SoCFPGA) won't
boot without one of the patches; instead of reverting the patch
that got merged, I looked at this set and decided it was small
enough that I'll pick it up anyway. If you disagree I can revisit
with a smaller set.
That being said, there's also a handful of the usual stuff:
- Fix for a crash on Armada 7K/8K when the kernel touches
PSCI-reserved memory
- Fix for PCIe reset on Macchiatobin (Armada 8K development board,
what this email is sent from in fact :)
- Enable a few new-merged modules for Amlogic in arm64 defconfig
- Error path fixes on Integrator
- Build fix for Renesas and Qualcomm
- Initialization fix for Renesas RZ/G2E
.. plus a few more fixlets"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
ARM: integrator: impd1: use struct_size() in devm_kzalloc()
qcom-scm: Include <linux/err.h> header
gpio: pl061: handle failed allocations
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
ARM: dts: da850-lcdk: Correct the sound card name
ARM: dts: da850-lcdk: Correct the audio codec regulators
ARM: dts: da850-evm: Correct the sound card name
ARM: dts: da850-evm: Correct the audio codec regulators
ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
ARM: davinci: da850-evm: fix label names in GPIO lookup entries
ARM: davinci: da830-evm: fix label names in GPIO lookup entries
arm64: defconfig: enable modules for amlogic s400 sound card
reset: uniphier-glue: Add AHCI reset control support in glue layer
dt-bindings: reset: uniphier: Add AHCI core reset description
reset: uniphier-usb3: Rename to reset-uniphier-glue
dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
...
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Merge tag 'for-5.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- two regression fixes in clone/dedupe ioctls, the generic check
callback needs to lock extents properly and wait for io to avoid
problems with writeback and relocation
- fix deadlock when using free space tree due to block group creation
- a recently added check refuses a valid fileystem with seeding device,
make that work again with a quickfix, proper solution needs more
intrusive changes
* tag 'for-5.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: Use real device structure to verify dev extent
Btrfs: fix deadlock when using free space tree due to block group creation
Btrfs: fix race between reflink/dedupe and relocation
Btrfs: fix race between cloning range ending at eof and writeback
Here is one small sysfs change, and a documentation update for 5.0-rc2
The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an
email thread on lkml while trying to track down another driver bug.
sysfs should not be crashing and preventing people from seeing where
they went wrong. Now it properly recovers and warns the developer.
The documentation update removes the use of BUS_ATTR() as the kernel is
moving away from this to use the specific BUS_ATTR_RW() and friends
instead. There are pending patches in all of the different subsystems
to remove the last users of this macro, but for now, don't advertise it
should be used anymore to keep new ones from being introduced.
Both have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here is one small sysfs change, and a documentation update for 5.0-rc2
The sysfs change moves from using BUG_ON to WARN_ON, as discussed in
an email thread on lkml while trying to track down another driver bug.
sysfs should not be crashing and preventing people from seeing where
they went wrong. Now it properly recovers and warns the developer.
The documentation update removes the use of BUS_ATTR() as the kernel
is moving away from this to use the specific BUS_ATTR_RW() and friends
instead. There are pending patches in all of the different subsystems
to remove the last users of this macro, but for now, don't advertise
it should be used anymore to keep new ones from being introduced.
Both have been in linux-next with no reported issues"
* tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation: driver core: remove use of BUS_ATTR
sysfs: convert BUG_ON to WARN_ON
Here are some small staging driver fixes for some reported issues.
One reverts a patch that was made to the rtl8723bs driver that turned
out to not be needed at all as it was a bug in clang. The others fix up
some reported issues in the rtl8188eu driver and update the MAINTAINERS
file to point to Larry for this driver so he can get the bug reports
easier.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for some reported issues.
One reverts a patch that was made to the rtl8723bs driver that turned
out to not be needed at all as it was a bug in clang. The others fix
up some reported issues in the rtl8188eu driver and update the
MAINTAINERS file to point to Larry for this driver so he can get the
bug reports easier.
All have been in linux-next with no reported issues"
* tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Revert "staging: rtl8723bs: Mark ACPI table declaration as used"
staging: rtl8188eu: Fix module loading from tasklet for WEP encryption
staging: rtl8188eu: Fix module loading from tasklet for CCMP encryption
MAINTAINERS: Add entry for staging driver r8188eu
Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported
issues.
The first is a simple serial driver fix for a regression that showed up
in 5.0-rc1. The second one resolves a number of reported issues with
the recent tty locking fixes that went into 5.0-rc1. Lots of people
have tested the second one and say it resolves their issues.
Both have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported
issues.
The first is a simple serial driver fix for a regression that showed
up in 5.0-rc1. The second one resolves a number of reported issues
with the recent tty locking fixes that went into 5.0-rc1. Lots of
people have tested the second one and say it resolves their issues.
Both have been in linux-next with no reported issues"
* tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Don't hold ldisc lock in tty_reopen() if ldisc present
serial: lantiq: Do not swap register read/writes
Here are some small USB driver fixes and quirk updates for 5.0-rc2.
The majority here are some quirks for some storage devices to get them
to work properly. There's also a fix here to resolve the reported
issues with some audio devices that say they are UAC3 compliant, but
really are not.
And a fix up for the MAINTAINERS file to remove a dead url.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes and quirk updates for 5.0-rc2.
The majority here are some quirks for some storage devices to get them
to work properly. There's also a fix here to resolve the reported
issues with some audio devices that say they are UAC3 compliant, but
really are not.
And a fix up for the MAINTAINERS file to remove a dead url.
All have been in linux-next with no reported issues"
* tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: storage: Remove outdated URL from MAINTAINERS
USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
usbcore: Select only first configuration for non-UAC3 compliant devices
USB: storage: add quirk for SMI SM3350
USB: storage: don't insert sane sense for SPC3+ when bad sense specified
usb: cdc-acm: send ZLP for Telit 3G Intel based modems
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Merge tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"A set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches
fix an important set of crediting (flow control) problems, and also
two problems in cifs_writepages, ddressing some large i/o and also
compounding issues"
* tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
CIFS: Fix error paths in writeback code
CIFS: Move credit processing to mid callbacks for SMB3
CIFS: Fix credits calculation for cancelled requests
cifs: Fix potential OOB access of lock element array
cifs: Limit memory used by lock request calls to a page
cifs: move large array from stack to heap
CIFS: Do not hide EINTR after sending network packets
CIFS: Fix credit computation for compounded requests
CIFS: Do not set credits to 1 if the server didn't grant anything
CIFS: Fix adjustment of credits for MTU requests
cifs: Fix a tiny potential memory leak
cifs: Fix a debug message
This adds missing deassert functionality to the ARC HSDK reset driver,
fixes some indentation and grammar issues in the kernel docs, adds a
helper to count the number of resets on a device for the non-DT case
as well, adds an early reset driver for SoCFPGA and simple reset driver
support for Stratix10, and generalizes the uniphier USB3 glue layer
reset to also cover AHCI.
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Merge tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux into fixes
Late reset controller changes for v5.0
This adds missing deassert functionality to the ARC HSDK reset driver,
fixes some indentation and grammar issues in the kernel docs, adds a
helper to count the number of resets on a device for the non-DT case
as well, adds an early reset driver for SoCFPGA and simple reset driver
support for Stratix10, and generalizes the uniphier USB3 glue layer
reset to also cover AHCI.
* tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux:
reset: uniphier-glue: Add AHCI reset control support in glue layer
dt-bindings: reset: uniphier: Add AHCI core reset description
reset: uniphier-usb3: Rename to reset-uniphier-glue
dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals
ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding
reset: socfpga: add an early reset driver for SoCFPGA
reset: fix null pointer dereference on dev by dev_name
reset: Add reset_control_get_count()
reset: Improve reset controller kernel docs
ARC: HSDK: improve reset driver
Signed-off-by: Olof Johansson <olof@lixom.net>
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
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Merge tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 5.0
They are all device tree fixes which also worth being in stable:
- Reserve PSCI area on Armada 7K/8K preventing the kernel accessing
this area and crashing while doing it.
- Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based)
- Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based)
* tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: kirkwood: Fix polarity of GPIO fan lines
arm64: dts: marvell: mcbin: fix PCIe reset signal
arm64: dts: marvell: armada-ap806: reserve PSCI area
Signed-off-by: Olof Johansson <olof@lixom.net>
- Handle failed allocations in the IM/PC bus attachment.
- Use struct_size() for allocation.
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Merge tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into fixes
Fixes for the Integrator:
- Handle failed allocations in the IM/PC bus attachment.
- Use struct_size() for allocation.
* tag 'integrator-fixes-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: integrator: impd1: use struct_size() in devm_kzalloc()
gpio: pl061: handle failed allocations
Signed-off-by: Olof Johansson <olof@lixom.net>
* Add required includes into qcom_scm.h
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Merge tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes
Qualcomm Driver Fixes for 5.0-rc1
* Add required includes into qcom_scm.h
* tag 'qcom-fixes-for-5.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
qcom-scm: Include <linux/err.h> header
Signed-off-by: Olof Johansson <olof@lixom.net>
DaVinci board support due to GPIO driver clean-up introduced
in v4.20 kernel. These are marked for stable.
Also has fixes for some long standing Audio issues on DA850
boards.
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Merge tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
This pull request fixes some more regressions on legacy
DaVinci board support due to GPIO driver clean-up introduced
in v4.20 kernel. These are marked for stable.
Also has fixes for some long standing Audio issues on DA850
boards.
* tag 'davinci-fixes-for-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-lcdk: Correct the sound card name
ARM: dts: da850-lcdk: Correct the audio codec regulators
ARM: dts: da850-evm: Correct the sound card name
ARM: dts: da850-evm: Correct the audio codec regulators
ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries
ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries
ARM: davinci: dm355-evm: fix label names in GPIO lookup entries
ARM: davinci: da850-evm: fix label names in GPIO lookup entries
ARM: davinci: da830-evm: fix label names in GPIO lookup entries
Signed-off-by: Olof Johansson <olof@lixom.net>
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
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Merge tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v5.0
Renesas SoCs:
* Fix build regressions caused by move of Kconfig symbols
RZ/G2E (r8a774c0) SoC:
* Correct initialization order of 3DG-{A,B} in SYSC driver
* tag 'renesas-fixes-for-v5.0' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: r8a774c0-sysc: Fix initialization order of 3DG-{A,B}
ARM: shmobile: fix build regressions
Signed-off-by: Olof Johansson <olof@lixom.net>
Commit 49e54187ae ("ata: libahci_platform: comply to PHY framework") uses
the PHY_MODE_SATA, but that enum had not yet been added. This caused a
build failure for me, with today's linux.git.
Also, there is a potentially conflicting (mis-named) PHY_MODE_SATA, hiding
in the Marvell Berlin SATA PHY driver.
Fix the build by:
1) Renaming Marvell's defined value to a more scoped name,
in order to avoid any potential conflicts: PHY_BERLIN_MODE_SATA.
2) Adding the missing enum, which was going to be added anyway as part
of [1].
[1] https://lkml.kernel.org/r/20190108163124.6409-3-miquel.raynal@bootlin.com
Fixes: 49e54187ae ("ata: libahci_platform: comply to PHY framework")
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Olof Johansson <olof@lixom.net>
Cc: Grzegorz Jaszczyk <jaz@semihalf.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph, with little fixes all over the map
- Loop caching fix for offset/bs change (Jaegeuk Kim)
- Block documentation tweaks (Jeff, Jon, Weiping, John)
- null_blk zoned tweak (John)
- ahch mvebu suspend/resume support. Should have gone into the merge
window, but there was some confusion on which tree had it. (Miquel)
* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
ata: ahci: mvebu: remove stale comment
ata: libahci_platform: comply to PHY framework
loop: drop caches if offset or block_size are changed
block: fix kerneldoc comment for blk_attempt_plug_merge()
nvme: don't initlialize ctrl->cntlid twice
nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
nvme: pad fake subsys NQN vid and ssvid with zeros
nvme-multipath: zero out ANA log buffer
nvme-fabrics: unset write/poll queues for discovery controllers
nvme-tcp: don't ask if controller is fabrics
nvme-tcp: remove dead code
nvme-pci: fix out of bounds access in nvme_cqe_pending
nvme-pci: rerun irq setup on IO queue init errors
nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
nvme-pci: fix the wrong setting of nr_maps
block: doc: add slice_idle_us to bfq documentation
block: clarify documentation for blk_{start|finish}_plug
...
We've always had a weird situation around dma_zalloc_coherent. To
safely support mapping the allocations to userspace major architectures
like x86 and arm have always zeroed allocations from dma_alloc_coherent,
but a couple other architectures were missing that zeroing either always
or in corner cases. Then later we grew anothe dma_zalloc_coherent
interface to explicitly request zeroing, but that just added __GFP_ZERO
to the allocation flags, which for some allocators that didn't end
up using the page allocator ended up being a no-op and still not
zeroing the allocations.
So for this merge window I fixed up all remaining architectures to zero
the memory in dma_alloc_coherent, and made dma_zalloc_coherent a no-op
wrapper around dma_alloc_coherent, which fixes all of the above issues.
dma_zalloc_coherent is now pointless and can go away, and Luis helped
me writing a cocchinelle script and patch series to kill it, which I
think we should apply now just after -rc1 to finally settle these
issue.
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Merge tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping
Pull dma_zalloc_coherent() removal from Christoph Hellwig:
"We've always had a weird situation around dma_zalloc_coherent. To
safely support mapping the allocations to userspace major
architectures like x86 and arm have always zeroed allocations from
dma_alloc_coherent, but a couple other architectures were missing that
zeroing either always or in corner cases.
Then later we grew anothe dma_zalloc_coherent interface to explicitly
request zeroing, but that just added __GFP_ZERO to the allocation
flags, which for some allocators that didn't end up using the page
allocator ended up being a no-op and still not zeroing the
allocations.
So for this merge window I fixed up all remaining architectures to
zero the memory in dma_alloc_coherent, and made dma_zalloc_coherent a
no-op wrapper around dma_alloc_coherent, which fixes all of the above
issues.
dma_zalloc_coherent is now pointless and can go away, and Luis helped
me writing a cocchinelle script and patch series to kill it, which I
think we should apply now just after -rc1 to finally settle these
issue"
* tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: remove dma_zalloc_coherent()
cross-tree: phase out dma_zalloc_coherent() on headers
cross-tree: phase out dma_zalloc_coherent()
Minor fixes for new code, corner cases, and documentation.
Patches are isolated and sufficiently described by the shortlog.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"Minor fixes for new code, corner cases, and documentation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed
Documentation/virtual/kvm: Update URL for AMD SEV API specification
KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()
kvm: sev: Fail KVM_SEV_INIT if already initialized
KVM: validate userspace input in kvm_clear_dirty_log_protect()
KVM: x86: Fix bit shifting in update_intel_pt_cfg
nouveau:
one backlight, falcon register access, and a fan fix.
i915:
- Disable PSR for Apple panels
- Broxton ERR_PTR error state fix
- Kabylake VECS workaround fix
- Unwind failure on pinning the gen7 ppgtt
- GVT workload request allocation fix
core:
- Fix fb-helper to work correctly with SDL 1.2 bugs.
- Fix lockdep warning in the atomic ioctl and setproperty.
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Merge tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm
Pull more drm fixes from Daniel Vetter:
"Dave sends out his pull, everybody remembers holidays are over :-)
Since Dave's already in weekend mode and it was quite a few patches I
figured better to apply all the pulls and forward them to you. Hence
here 2nd part of bugfixes for -rc2.
nouveau:
- backlight fix
- falcon register access fix
- fan fix.
i915:
- Disable PSR for Apple panels
- Broxton ERR_PTR error state fix
- Kabylake VECS workaround fix
- Unwind failure on pinning the gen7 ppgtt
- GVT workload request allocation fix
core:
- Fix fb-helper to work correctly with SDL 1.2 bugs
- Fix lockdep warning in the atomic ioctl and setproperty"
* tag 'drm-fixes-2019-01-11-1' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/falcon: avoid touching registers if engine is off
drm/nouveau: Don't disable polling in fallback mode
drm/nouveau: register backlight on pascal and newer
drm: Fix documentation generation for DP_DPCD_QUIRK_NO_PSR
drm/i915: init per-engine WAs for all engines
drm/i915: Unwind failure on pinning the gen7 ppgtt
drm/i915: Skip the ERR_PTR error state
drm/i915: Disable PSR in Apple panels
gpu/drm: Fix lock held when returning to user space.
drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
drm/fb-helper: Partially bring back workaround for bugs of SDL 1.2
drm/i915/gvt: Fix workload request allocation before request add
A feature has been added in the libahci driver: the possibility to set
a new flag in hpriv->flags to let the core handle PHY suspend/resume
automatically. Make use of this feature to make suspend to RAM work
with SATA drives on A3700.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A3700 comphy initialization is done in the firmware (TF-A). Looking at
the SATA PHY initialization routine, there is a comment about "vendor
specific" registers. Two registers are mentioned. They are not
initialized there in the firmware because they are AHCI related, while
the firmware at this location does only PHY configuration. The
solution to avoid doing such initialization is relying on U-Boot.
While this work at boot time, U-Boot is definitely not going to run
during a resume after suspending to RAM.
Two possible solutions were considered:
* Fixing the firmware.
* Fixing the kernel driver.
The first solution would take ages to propagate, while the second
solution is easy to implement as the driver as been a little bit
reworked to prepare for such platform configuration. Hence, this patch
adds an Armada 3700 configuration function to set these two registers
both at boot time (in the probe) and after a suspend (in the resume
path).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
At the beginning, only Armada 38x SoCs where supported by the
ahci_mvebu.c driver. Commit 15d3ce7b63 ("ata: ahci_mvebu: add
support for Armada 3700 variant") introduced Armada 3700 support. As
opposed to Armada 38x SoCs, the 3700 variants do not have to configure
mbus and the regret option. This patch took care of avoiding such
configuration when not needed in the probe function, but failed to do
the same in the resume path. While doing so looks harmless by
experience, let's clean the driver logic and avoid doing this useless
configuration with Armada 3700 SoCs.
Because the logic is very similar between these two places, it has
been decided to factorize this code and put it in a "Armada 38x
configuration function". This function is part of a new
(per-compatible) platform data structure, so that the addition of such
configuration function for Armada 3700 will be eased.
Fixes: 15d3ce7b63 ("ata: ahci_mvebu: add support for Armada 3700 variant")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For Armada-38x (32-bit) SoCs, PM platform support has been added since:
commit 32f9494c9d ("ARM: mvebu: prepare pm-board.c for the
introduction of Armada 38x support")
commit 3cbd6a6ca8 ("ARM: mvebu: Add standby support")
For Armada 64-bit SoCs, like the A3700 also using this AHCI driver, PM
platform support has always existed.
There are even suspend/resume hooks in this driver since:
commit d6ecf15814 ("ata: ahci_mvebu: add suspend/resume support")
Remove the stale comment at the end of this driver stating that all
the above does not exist yet.
Fixes: d6ecf15814 ("ata: ahci_mvebu: add suspend/resume support")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Current implementation of the libahci does not take into account the
new PHY framework. Correct the situation by adding a call to
phy_set_mode() before phy_power_on().
PHYs should also be handled at suspend/resume time. For this, call
ahci_platform_enable/disable_phys() at suspend/resume_host() time. These
calls are guarded by a HFLAG (AHCI_HFLAG_SUSPEND_PHYS) that the user of
the libahci driver must set manually in hpriv->flags at probe time. This
is to avoid breaking users that have not been tested with this change.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Suggested-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Pull i2c fixes from Wolfram Sang:
"I2C has one core and one driver bugfix for you"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: tegra: Fix Maximum transfer size
i2c: dev: prevent adapter retries and timeout being set as minus value
- Don't error in kexec_file_load if kaslr-seed is missing in device-tree
- Fix incorrect argument type passed to iort_match_node_callback()
- Fix IORT build failure when CONFIG_IOMMU_API=n
- Fix kpti performance regression with new rodata default option
- Typo fix
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Another handful of arm64 fixes here. Most of the complication comes
from improving our kpti code to avoid lengthy pauses (30+ seconds)
during boot when we rewrite the page tables. There are also a couple
of IORT fixes that came in via Lorenzo.
Summary:
- Don't error in kexec_file_load if kaslr-seed is missing in
device-tree
- Fix incorrect argument type passed to iort_match_node_callback()
- Fix IORT build failure when CONFIG_IOMMU_API=n
- Fix kpti performance regression with new rodata default option
- Typo fix"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kexec_file: return successfully even if kaslr-seed doesn't exist
ACPI/IORT: Fix rc_dma_get_range()
arm64: kpti: Avoid rewriting early page tables when KASLR is enabled
arm64: asm-prototypes: Fix fat-fingered typo in comment
ACPI/IORT: Fix build when CONFIG_IOMMU_API=n
edge case, marked for stable.
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Merge tag 'ceph-for-5.0-rc2' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"A patch to allow setting abort_on_full and a fix for an old "rbd
unmap" edge case, marked for stable"
* tag 'ceph-for-5.0-rc2' of git://github.com/ceph/ceph-client:
rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set
ceph: use vmf_error() in ceph_filemap_fault()
libceph: allow setting abort_on_full for rbd
