Commit Graph

1123114 Commits

Author SHA1 Message Date
Chuck Lever
68c522afd0 NFSD: Make nfsd4_rename() wait before returning NFS4ERR_DELAY
nfsd_rename() can kick off a CB_RECALL (via
vfs_rename() -> leases_conflict()) if a delegation is present.
Before returning NFS4ERR_DELAY, give the client holding that
delegation a chance to return it and then retry the nfsd_rename()
again, once.

This version of the patch handles renaming an existing file,
but does not deal with renaming onto an existing file. That
case will still always trigger an NFS4ERR_DELAY.

Link: https://bugzilla.linux-nfs.org/show_bug.cgi?id=354
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:40 -04:00
Chuck Lever
34b91dda71 NFSD: Make nfsd4_setattr() wait before returning NFS4ERR_DELAY
nfsd_setattr() can kick off a CB_RECALL (via
notify_change() -> break_lease()) if a delegation is present. Before
returning NFS4ERR_DELAY, give the client holding that delegation a
chance to return it and then retry the nfsd_setattr() again, once.

Link: https://bugzilla.linux-nfs.org/show_bug.cgi?id=354
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:36 -04:00
Chuck Lever
c0aa1913db NFSD: Refactor nfsd_setattr()
Move code that will be retried (in a subsequent patch) into a helper
function.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:32 -04:00
Chuck Lever
c035362eb9 NFSD: Add a mechanism to wait for a DELEGRETURN
Subsequent patches will use this mechanism to wake up an operation
that is waiting for a client to return a delegation.

The new tracepoint records whether the wait timed out or was
properly awoken by the expected DELEGRETURN:

            nfsd-1155  [002] 83799.493199: nfsd_delegret_wakeup: xid=0x14b7d6ef fh_hash=0xf6826792 (timed out)

Suggested-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:32 -04:00
Chuck Lever
1035d65446 NFSD: Add tracepoints to report NFSv4 callback completions
Wireshark has always been lousy about dissecting NFSv4 callbacks,
especially NFSv4.0 backchannel requests. Add tracepoints so we
can surgically capture these events in the trace log.

Tracepoints are time-stamped and ordered so that we can now observe
the timing relationship between a CB_RECALL Reply and the client's
DELEGRETURN Call. Example:

            nfsd-1153  [002]   211.986391: nfsd_cb_recall:       addr=192.168.1.67:45767 client 62ea82e4:fee7492a stateid 00000003:00000001

            nfsd-1153  [002]   212.095634: nfsd_compound:        xid=0x0000002c opcnt=2
            nfsd-1153  [002]   212.095647: nfsd_compound_status: op=1/2 OP_PUTFH status=0
            nfsd-1153  [002]   212.095658: nfsd_file_put:        hash=0xf72 inode=0xffff9291148c7410 ref=3 flags=HASHED|REFERENCED may=READ file=0xffff929103b3ea00
            nfsd-1153  [002]   212.095661: nfsd_compound_status: op=2/2 OP_DELEGRETURN status=0
   kworker/u25:8-148   [002]   212.096713: nfsd_cb_recall_done:  client 62ea82e4:fee7492a stateid 00000003:00000001 status=0

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:32 -04:00
Chuck Lever
de29cf7e6c NFSD: Trace NFSv4 COMPOUND tags
The Linux NFSv4 client implementation does not use COMPOUND tags,
but the Solaris and MacOS implementations do, and so does pynfs.
Record these eye-catchers in the server's trace buffer to annotate
client requests while troubleshooting.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:31 -04:00
Chuck Lever
948755efc9 NFSD: Replace dprintk() call site in fh_verify()
Record permission errors in the trace log. Note that the new trace
event is conditional, so it will only record non-zero return values
from nfsd_permission().

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
2022-09-26 14:02:31 -04:00
Gaosheng Cui
18224dc58d nfsd: remove nfsd4_prepare_cb_recall() declaration
nfsd4_prepare_cb_recall() has been removed since
commit 0162ac2b97 ("nfsd: introduce nfsd4_callback_ops"),
so remove it.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:31 -04:00
Jeff Layton
6106d9119b nfsd: clean up mounted_on_fileid handling
We only need the inode number for this, not a full rack of attributes.
Rename this function make it take a pointer to a u64 instead of
struct kstat, and change it to just request STATX_INO.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
[ cel: renamed get_mounted_on_ino() ]
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:30 -04:00
Chuck Lever
7518a3dc5e NFSD: Fix handling of oversized NFSv4 COMPOUND requests
If an NFS server returns NFS4ERR_RESOURCE on the first operation in
an NFSv4 COMPOUND, there's no way for a client to know where the
problem is and then simplify the compound to make forward progress.

So instead, make NFSD process as many operations in an oversized
COMPOUND as it can and then return NFS4ERR_RESOURCE on the first
operation it did not process.

pynfs NFSv4.0 COMP6 exercises this case, but checks only for the
COMPOUND status code, not whether the server has processed any
of the operations.

pynfs NFSv4.1 SEQ6 and SEQ7 exercise the NFSv4.1 case, which detects
too many operations per COMPOUND by checking against the limits
negotiated when the session was created.

Suggested-by: Bruce Fields <bfields@fieldses.org>
Fixes: 0078117c6d ("nfsd: return RESOURCE not GARBAGE_ARGS on too many ops")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:30 -04:00
NeilBrown
9558f9304c NFSD: drop fname and flen args from nfsd_create_locked()
nfsd_create_locked() does not use the "fname" and "flen" arguments, so
drop them from declaration and all callers.

Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:30 -04:00
Chuck Lever
fa6be9cc6e NFSD: Protect against send buffer overflow in NFSv3 READ
Since before the git era, NFSD has conserved the number of pages
held by each nfsd thread by combining the RPC receive and send
buffers into a single array of pages. This works because there are
no cases where an operation needs a large RPC Call message and a
large RPC Reply at the same time.

Once an RPC Call has been received, svc_process() updates
svc_rqst::rq_res to describe the part of rq_pages that can be
used for constructing the Reply. This means that the send buffer
(rq_res) shrinks when the received RPC record containing the RPC
Call is large.

A client can force this shrinkage on TCP by sending a correctly-
formed RPC Call header contained in an RPC record that is
excessively large. The full maximum payload size cannot be
constructed in that case.

Cc: <stable@vger.kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:30 -04:00
Chuck Lever
401bc1f908 NFSD: Protect against send buffer overflow in NFSv2 READ
Since before the git era, NFSD has conserved the number of pages
held by each nfsd thread by combining the RPC receive and send
buffers into a single array of pages. This works because there are
no cases where an operation needs a large RPC Call message and a
large RPC Reply at the same time.

Once an RPC Call has been received, svc_process() updates
svc_rqst::rq_res to describe the part of rq_pages that can be
used for constructing the Reply. This means that the send buffer
(rq_res) shrinks when the received RPC record containing the RPC
Call is large.

A client can force this shrinkage on TCP by sending a correctly-
formed RPC Call header contained in an RPC record that is
excessively large. The full maximum payload size cannot be
constructed in that case.

Cc: <stable@vger.kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:29 -04:00
Chuck Lever
640f87c190 NFSD: Protect against send buffer overflow in NFSv3 READDIR
Since before the git era, NFSD has conserved the number of pages
held by each nfsd thread by combining the RPC receive and send
buffers into a single array of pages. This works because there are
no cases where an operation needs a large RPC Call message and a
large RPC Reply message at the same time.

Once an RPC Call has been received, svc_process() updates
svc_rqst::rq_res to describe the part of rq_pages that can be
used for constructing the Reply. This means that the send buffer
(rq_res) shrinks when the received RPC record containing the RPC
Call is large.

A client can force this shrinkage on TCP by sending a correctly-
formed RPC Call header contained in an RPC record that is
excessively large. The full maximum payload size cannot be
constructed in that case.

Thanks to Aleksi Illikainen and Kari Hulkko for uncovering this
issue.

Reported-by: Ben Ronallo <Benjamin.Ronallo@synopsys.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:26 -04:00
Chuck Lever
00b4492686 NFSD: Protect against send buffer overflow in NFSv2 READDIR
Restore the previous limit on the @count argument to prevent a
buffer overflow attack.

Fixes: 53b1119a6e ("NFSD: Fix READDIR buffer overflow")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:26 -04:00
Chuck Lever
1242a87da0 SUNRPC: Fix svcxdr_init_encode's buflen calculation
Commit 2825a7f907 ("nfsd4: allow encoding across page boundaries")
added an explicit computation of the remaining length in the rq_res
XDR buffer.

The computation appears to suffer from an "off-by-one" bug. Because
buflen is too large by one page, XDR encoding can run off the end of
the send buffer by eventually trying to use the struct page address
in rq_page_end, which always contains NULL.

Fixes: bddfdbcddb ("NFSD: Extract the svcxdr_init_encode() helper")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:26 -04:00
Chuck Lever
90bfc37b5a SUNRPC: Fix svcxdr_init_decode's end-of-buffer calculation
Ensure that stream-based argument decoding can't go past the actual
end of the receive buffer. xdr_init_decode's calculation of the
value of xdr->end over-estimates the end of the buffer because the
Linux kernel RPC server code does not remove the size of the RPC
header from rqstp->rq_arg before calling the upper layer's
dispatcher.

The server-side still uses the svc_getnl() macros to decode the
RPC call header. These macros reduce the length of the head iov
but do not update the total length of the message in the buffer
(buf->len).

A proper fix for this would be to replace the use of svc_getnl() and
friends in the RPC header decoder, but that would be a large and
invasive change that would be difficult to backport.

Fixes: 5191955d6f ("SUNRPC: Prepare for xdr_stream-style decoding on the server-side")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:25 -04:00
Chuck Lever
80e591ce63 NFSD: Increase NFSD_MAX_OPS_PER_COMPOUND
When attempting an NFSv4 mount, a Solaris NFSv4 client builds a
single large COMPOUND that chains a series of LOOKUPs to get to the
pseudo filesystem root directory that is to be mounted. The Linux
NFS server's current maximum of 16 operations per NFSv4 COMPOUND is
not large enough to ensure that this works for paths that are more
than a few components deep.

Since NFSD_MAX_OPS_PER_COMPOUND is mostly a sanity check, and most
NFSv4 COMPOUNDS are between 3 and 6 operations (thus they do not
trigger any re-allocation of the operation array on the server),
increasing this maximum should result in little to no impact.

The ops array can get large now, so allocate it via vmalloc() to
help ensure memory fragmentation won't cause an allocation failure.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216383
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:25 -04:00
Christophe JAILLET
30a30fcc3f nfsd: Propagate some error code returned by memdup_user()
Propagate the error code returned by memdup_user() instead of a hard coded
-EFAULT.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:22 -04:00
Christophe JAILLET
d44899b8bb nfsd: Avoid some useless tests
memdup_user() can't return NULL, so there is no point for checking for it.

Simplify some tests accordingly.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:21 -04:00
Christophe JAILLET
fd1ef88049 nfsd: Fix a memory leak in an error handling path
If this memdup_user() call fails, the memory allocated in a previous call
a few lines above should be freed. Otherwise it leaks.

Fixes: 6ee95d1c89 ("nfsd: add support for upcall version 2")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:21 -04:00
Jinpeng Cui
4ab3442ca3 NFSD: remove redundant variable status
Return value directly from fh_verify() do_open_permission()
exp_pseudoroot() instead of getting value from
redundant variable status.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@zte.com.cn>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:21 -04:00
Olga Kornievskaia
754035ff79 NFSD enforce filehandle check for source file in COPY
If the passed in filehandle for the source file in the COPY operation
is not a regular file, the server MUST return NFS4ERR_WRONG_TYPE.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:20 -04:00
Wolfram Sang
97f8e62572 lockd: move from strlcpy with unused retval to strscpy
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:20 -04:00
Wolfram Sang
72f78ae00a NFSD: move from strlcpy with unused retval to strscpy
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-09-26 14:02:20 -04:00
Linus Torvalds
521a547ced Linux 6.0-rc6 2022-09-18 13:44:14 -07:00
Linus Torvalds
7c18b453ef parisc architecture fixes for kernel v6.0-rc6:
* Allow to configure for 64-bit kernel with ARCH=parisc
 * Fix asm/errno.h includes in tools directory for parisc and xtensa
 * Clean up iosapic memory allocation
 * Minor typo and spelling fixes
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Merge tag 'parisc-for-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:
 "Some small parisc architecture fixes for 6.0-rc6:

  One patch lightens up a previous commit and thus unbreaks building the
  debian kernel, which tries to configure a 64-bit kernel with the
  ARCH=parisc environment variable set.

  The other patches fixes asm/errno.h includes in the tools directory
  and cleans up memory allocation in the iosapic driver.

  Summary:

   - Allow configuring 64-bit kernel with ARCH=parisc

   - Fix asm/errno.h includes in tools directory for parisc and xtensa

   - Clean up iosapic memory allocation

   - Minor typo and spelling fixes"

* tag 'parisc-for-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Allow CONFIG_64BIT with ARCH=parisc
  parisc: remove obsolete manual allocation aligning in iosapic
  tools/include/uapi: Fix <asm/errno.h> for parisc and xtensa
  Input: hp_sdc: fix spelling typo in comment
  parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()
2022-09-18 13:26:59 -07:00
Linus Torvalds
38eddeedbb io_uring-6.0-2022-09-18
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Merge tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "Nothing really major here, but figured it'd be nicer to just get these
  flushed out for -rc6 so that the 6.1 branch will have them as well.
  That'll make our lives easier going forward in terms of development,
  and avoid trivial conflicts in this area.

   - Simple trace rename so that the returned opcode name is consistent
     with the enum definition (Stefan)

   - Send zc rsrc request vs notification lifetime fix (Pavel)"

* tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux:
  io_uring/opdef: rename SENDZC_NOTIF to SEND_ZC
  io_uring/net: fix zc fixed buf lifetime
2022-09-18 09:25:27 -07:00
Stefan Metzmacher
9bd3f72822 io_uring/opdef: rename SENDZC_NOTIF to SEND_ZC
It's confusing to see the string SENDZC_NOTIF in ftrace output
when using IORING_OP_SEND_ZC.

Fixes: b48c312be0 ("io_uring/net: simplify zerocopy send user API")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Cc: Pavel Begunkov <asml.silence@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8e5cd8616919c92b6c3c7b6ea419fdffd5b97f3c.1663363798.git.metze@samba.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-18 06:59:13 -06:00
Pavel Begunkov
e3366e0234 io_uring/net: fix zc fixed buf lifetime
Notifications usually outlive requests, so we need to pin buffers with
it by assigning a rsrc to it instead of the request.

Fixed: b48c312be0 ("io_uring/net: simplify zerocopy send user API")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/dd6406ff8a90887f2b36ed6205dac9fda17c1f35.1663366886.git.asml.silence@gmail.com
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-18 05:07:51 -06:00
Linus Torvalds
a335366bad gpio fixes for v6.0-rc6
- fix the level-low interrupt type support in gpio-mpc8xxx
 - convert another two drivers to using immputable irq chips
 - MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix the level-low interrupt type support in gpio-mpc8xxx

 - convert another two drivers to using immutable irq chips

 - MAINTAINERS update

* tag 'gpio-fixes-for-v6.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: mt7621: Make the irqchip immutable
  gpio: ixp4xx: Make irqchip immutable
  MAINTAINERS: Update HiSilicon GPIO Driver maintainer
  gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type in mpc85xx
2022-09-16 12:58:17 -07:00
Linus Torvalds
6879c2d3b9 Some pin control fixes for v6.0:
- Fix IRQ wakeup and pins for UFS and SDC2 issues on the
   Qualcomm SC8180x
 - Fix the Rockchip driver to support interrupt on both rising
   and falling edges.
 - Name the Allwinner A100 R_PIO properly
 - Fix several issues with the Ocelot interrupts.
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Merge tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Nothing special, just driver fixes:

   - Fix IRQ wakeup and pins for UFS and SDC2 issues on the Qualcomm
     SC8180x

   - Fix the Rockchip driver to support interrupt on both rising and
     falling edges.

   - Name the Allwinner A100 R_PIO properly

   - Fix several issues with the Ocelot interrupts"

* tag 'pinctrl-v6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: ocelot: Fix interrupt controller
  pinctrl: sunxi: Fix name for A100 R_PIO
  pinctrl: rockchip: Enhance support for IRQ_TYPE_EDGE_BOTH
  pinctrl: qcom: sc8180x: Fix wrong pin numbers
  pinctrl: qcom: sc8180x: Fix gpio_wakeirq_map
2022-09-16 07:06:05 -07:00
Linus Torvalds
68e777e44c block-6.0-2022-09-16
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Merge tag 'block-6.0-2022-09-16' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Two fixes for -rc6:

   - Fix a mixup of sectors and bytes in the secure erase ioctl
     (Mikulas)

   - Fix for a bad return value for a non-blocking bio/blk queue enter
     call (me)"

* tag 'block-6.0-2022-09-16' of git://git.kernel.dk/linux-block:
  blk-lib: fix blkdev_issue_secure_erase
  block: blk_queue_enter() / __bio_queue_enter() must return -EAGAIN for nowait
2022-09-16 06:58:04 -07:00
Linus Torvalds
0158137d81 io_uring-6.0-2022-09-16
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Merge tag 'io_uring-6.0-2022-09-16' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "Two small patches:

   - Fix using an unsigned type for the return value, introduced in this
     release (Pavel)

   - Stable fix for a missing check for a fixed file on put (me)"

* tag 'io_uring-6.0-2022-09-16' of git://git.kernel.dk/linux-block:
  io_uring/msg_ring: check file type before putting
  io_uring/rw: fix error'ed retry return values
2022-09-16 06:50:25 -07:00
Linus Torvalds
5763d7f296 drm fixes for v6.0-rc6
amdgpu:
 - BACO fixes for some RDNA2 boards
 - PCI AER fixes uncovered by a core PCI change
 - Properly hook up dirtyfb helper
 - RAS fixes for GC 11.x
 - TMR fix
 - DCN 3.2.x fixes
 - DCN 3.1.4 fixes
 - LLVM DML stack size fixes
 
 i915:
 - Revert a display patch around max DP source rate now
   that the proper WaEdpLinkRateDataReload is in place
 - Fix perf limit reasons bit position
 - Fix unclaimmed mmio registers on suspend flow with GuC
 - A vma_move_to_active fix for a regression with video decoding
 - DP DSP fix
 
 gma500:
 - Locking and IRQ fixes
 
 meson:
 - OSD1 display fixes
 
 panel-edp:
 - Fix Innolux timings
 
 rockchip:
 - DP/HDMI fixes
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Merge tag 'drm-fixes-2022-09-16' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This is the regular drm fixes pull.

  The i915 and misc fixes are fairly regular, but the amdgpu contains
  fixes for new hw blocks, the dcn314 specific path hookups and also has
  a bunch of fixes for clang stack size warnings which are a bit churny
  but fairly straightforward. This means it looks a little larger than
  usual.

  amdgpu:
   - BACO fixes for some RDNA2 boards
   - PCI AER fixes uncovered by a core PCI change
   - Properly hook up dirtyfb helper
   - RAS fixes for GC 11.x
   - TMR fix
   - DCN 3.2.x fixes
   - DCN 3.1.4 fixes
   - LLVM DML stack size fixes

  i915:
   - Revert a display patch around max DP source rate now that the
     proper WaEdpLinkRateDataReload is in place
   - Fix perf limit reasons bit position
   - Fix unclaimmed mmio registers on suspend flow with GuC
   - A vma_move_to_active fix for a regression with video decoding
   - DP DSP fix

  gma500:
   - Locking and IRQ fixes

  meson:
   - OSD1 display fixes

  panel-edp:
   - Fix Innolux timings

  rockchip:
   - DP/HDMI fixes"

* tag 'drm-fixes-2022-09-16' of git://anongit.freedesktop.org/drm/drm: (42 commits)
  drm/amdgpu: make sure to init common IP before gmc
  drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
  drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
  drm/rockchip: Fix return type of cdn_dp_connector_mode_valid
  drm/amd/display: Mark dml30's UseMinimumDCFCLK() as noinline for stack usage
  drm/amd/display: Reduce number of arguments of dml31's CalculateFlipSchedule()
  drm/amd/display: Reduce number of arguments of dml31's CalculateWatermarksAndDRAMSpeedChangeSupport()
  drm/amd/display: Reduce number of arguments of dml32_CalculatePrefetchSchedule()
  drm/amd/display: Reduce number of arguments of dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport()
  drm/amd/display: Refactor SubVP calculation to remove FPU
  drm/amd/display: Limit user regamma to a valid value
  drm/amd/display: add workaround for subvp cursor corruption for DCN32/321
  drm/amd/display: SW cursor fallback for SubVP
  drm/amd/display: Round cursor width up for MALL allocation
  drm/amd/display: Correct dram channel width for dcn314
  drm/amd/display: Relax swizzle checks for video non-RGB formats on DCN314
  drm/amd/display: Hook up DCN314 specific dml implementation
  drm/amd/display: Enable dlg and vba compilation for dcn314
  drm/amd/display: Fix compilation errors on DCN314
  drm/amd/display: Fix divide by zero in DML
  ...
2022-09-16 06:45:19 -07:00
Linus Torvalds
714820c639 four smb3 fixes for stable
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Merge tag '6.0-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Four smb3 fixes for stable:

   - important fix to revalidate mapping when doing direct writes

   - missing spinlock

   - two fixes to socket handling

   - trivial change to update internal version number for cifs.ko"

* tag '6.0-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module number
  cifs: add missing spinlock around tcon refcount
  cifs: always initialize struct msghdr smb_msg completely
  cifs: don't send down the destination address to sendmsg for a SOCK_STREAM
  cifs: revalidate mapping when doing direct writes
2022-09-16 06:41:44 -07:00
Dave Airlie
25100377a2 - Revert a display patch around max DP source rate now
that the proper WaEdpLinkRateDataReload is in place. (Ville)
 - Fix perf limit reasons bit position. (Ashutosh)
 - Fix unclaimmed mmio registers on suspend flow with GuC. (Umesh)
 - A vma_move_to_active fix for a regression with video decoding. (Nirmoy)
 - DP DSP fix. (Ankit)
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Merge tag 'drm-intel-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Revert a display patch around max DP source rate now
  that the proper WaEdpLinkRateDataReload is in place. (Ville)
- Fix perf limit reasons bit position. (Ashutosh)
- Fix unclaimmed mmio registers on suspend flow with GuC. (Umesh)
- A vma_move_to_active fix for a regression with video decoding. (Nirmoy)
- DP DSP fix. (Ankit)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YyMtmGMXRLsURoM5@intel.com
2022-09-16 17:49:54 +10:00
Dave Airlie
87d9862b25 Short summary of fixes pull:
* gma500: Locking and IRQ fixes
  * meson: OSD1 display fixes
  * panel-edp: Fix Innolux timings
  * rockchip: DP/HDMI fixes
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Merge tag 'drm-misc-fixes-2022-09-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Short summary of fixes pull:

 * gma500: Locking and IRQ fixes
 * meson: OSD1 display fixes
 * panel-edp: Fix Innolux timings
 * rockchip: DP/HDMI fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YyMUpP1w21CPXq+I@linux-uq9g
2022-09-16 17:46:19 +10:00
Dave Airlie
e2111ae2c1 Merge tag 'amd-drm-fixes-6.0-2022-09-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.0-2022-09-14:

amdgpu:
- BACO fixes for some RDNA2 boards
- PCI AER fixes uncovered by a core PCI change
- Properly hook up dirtyfb helper
- RAS fixes for GC 11.x
- TMR fix
- DCN 3.2.x fixes
- DCN 3.1.4 fixes
- LLVM DML stack size fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220914184030.6145-1-alexander.deucher@amd.com
2022-09-16 17:00:13 +10:00
Jens Axboe
fc7222c3a9 io_uring/msg_ring: check file type before putting
If we're invoked with a fixed file, follow the normal rules of not
calling io_fput_file(). Fixed files are permanently registered to the
ring, and do not need putting separately.

Cc: stable@vger.kernel.org
Fixes: aa184e8671 ("io_uring: don't attempt to IOPOLL for MSG_RING requests")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-15 11:44:35 -06:00
Mikulas Patocka
c4fa368466 blk-lib: fix blkdev_issue_secure_erase
There's a bug in blkdev_issue_secure_erase. The statement
"unsigned int len = min_t(sector_t, nr_sects, max_sectors);"
sets the variable "len" to the length in sectors, but the statement
"bio->bi_iter.bi_size = len" treats it as if it were in bytes.
The statements "sector += len << SECTOR_SHIFT" and "nr_sects -= len <<
SECTOR_SHIFT" are thinko.

This patch fixes it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# v5.19
Fixes: 44abff2c0b ("block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD")
Link: https://lore.kernel.org/r/alpine.LRH.2.02.2209141549480.28100@file01.intranet.prod.int.rdu2.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-09-15 00:25:17 -06:00
Helge Deller
805ce86149 parisc: Allow CONFIG_64BIT with ARCH=parisc
The previous patch triggered a build failure for the debian kernel,
which has CONFIG_64BIT enabled, uses the CROSS_COMPILER environment
variable and uses ARCH=parisc to configure the kernel for 64-bit
support.

This patch weakens the previous patch while keeping the recommended way
to configure the kernel with:
    ARCH=parisc     -> build 32-bit kernel
    ARCH=parisc64   -> build 64-bit kernel
while adding the possibility for debian to configure a 64-bit kernel
even if ARCH=parisc is set (PA8X00 CPU has to be selected and
CONFIG_64BIT needs to be enabled).

The downside of this patch is, that we now have a small window open
again where people may get it wrong: if they enable CONFIG_64BIT and try
to compile with a 32-bit compiler.

Fixes: 3dcfb729b5 ("parisc: Make CONFIG_64BIT available for ARCH=parisc64 only")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 5.15+
2022-09-15 07:59:37 +02:00
Rolf Eike Beer
e359b70cc1 parisc: remove obsolete manual allocation aligning in iosapic
kmalloc() returns memory with __assume_kmalloc_alignment, which is
__alignof__(unsigned long long) for parisc.

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2022-09-15 07:33:26 +02:00
Alex Deucher
a8671493d2 drm/amdgpu: make sure to init common IP before gmc
Move common IP init before GMC init so that HDP gets
remapped before GMC init which uses it.

This fixes the Unsupported Request error reported through
AER during driver load. The error happens as a write happens
to the remap offset before real remapping is done.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373

The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b0 ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2022-09-14 14:21:49 -04:00
Alex Deucher
e3163bc8ff drm/amdgpu: move nbio sdma_doorbell_range() into sdma code for vega
This mirrors what we do for other asics and this way we are
sure the sdma doorbell range is properly initialized.

There is a comment about the way doorbells on gfx9 work that
requires that they are initialized for other IPs before GFX
is initialized.  However, the statement says that it applies to
multimedia as well, but the VCN code currently initializes
doorbells after GFX and there are no known issues there.  In my
testing at least I don't see any problems on SDMA.

This is a prerequisite for fixing the Unsupported Request error
reported through AER during driver load.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373

The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b0 ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2022-09-14 14:21:43 -04:00
Alex Deucher
dc1d85cb79 drm/amdgpu: move nbio ih_doorbell_range() into ih code for vega
This mirrors what we do for other asics and this way we are
sure the ih doorbell range is properly initialized.

There is a comment about the way doorbells on gfx9 work that
requires that they are initialized for other IPs before GFX
is initialized.  In this case IH is initialized before GFX,
so there should be no issue.

This is a prerequisite for fixing the Unsupported Request error
reported through AER during driver load.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216373

The error was unnoticed before and got visible because of the commit
referenced below. This doesn't fix anything in the commit below, rather
fixes the issue in amdgpu exposed by the commit. The reference is only
to associate this commit with below one so that both go together.

Fixes: 8795e182b0 ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2022-09-14 14:21:25 -04:00
Horatiu Vultur
c297561bc9 pinctrl: ocelot: Fix interrupt controller
When an external device generated a level based interrupt then the
interrupt controller could miss the interrupt. The reason is that the
interrupt controller can detect only link changes.

In the following example, if there is a PHY that generates an interrupt
then the following would happen. The GPIO detected that the interrupt
line changed, and then the 'ocelot_irq_handler' was called. Here it
detects which GPIO line saw the change and for that will call the
following:
1. irq_mask
2. phy interrupt routine
3. irq_eoi
4. irq_unmask

And this works fine for simple cases, but if the PHY generates many
interrupts, for example when doing PTP timestamping, then the following
could happen. Again the function 'ocelot_irq_handler' will be called
and then from here the following could happen:
1. irq_mask
2. phy interrupt routine
3. irq_eoi
4. irq_unmask

Right before step 3(irq_eoi), the PHY will generate another interrupt.
Now the interrupt controller will acknowledge the change in the
interrupt line. So we miss the interrupt.

A solution will be to use 'handle_level_irq' instead of
'handle_fasteoi_irq', because for this will change routine order of
handling the interrupt.
1. irq_mask
2. irq_ack
3. phy interrupt routine
4. irq_unmask

And now if the PHY will generate a new interrupt before irq_unmask, the
interrupt controller will detect this because it already acknowledge the
change in interrupt line at step 2(irq_ack).

But this is not the full solution because there is another issue. In
case there are 2 PHYs that share the interrupt line. For example phy1
generates an interrupt, then the following can happen:
1.irq_mask
2.irq_ack
3.phy0 interrupt routine
4.phy1 interrupt routine
5.irq_unmask

In case phy0 will generate an interrupt while clearing the interrupt
source in phy1, then the interrupt line will be kept down by phy0. So
the interrupt controller will not see any changes in the interrupt line.
The solution here is to update 'irq_unmask' such that it can detect if
the interrupt line is still active or not. And if it is active then call
again the procedure to clear the interrupts. But we don't want to do it
every time, only if we know that the interrupt controller has not seen
already that the interrupt line has changed.

While at this, add support also for IRQ_TYPE_LEVEL_LOW.

Fixes: be36abb71d ("pinctrl: ocelot: add support for interrupt controller")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220909145942.844102-1-horatiu.vultur@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-09-14 15:00:16 +02:00
Sergio Paracuellos
09eed5a1ed gpio: mt7621: Make the irqchip immutable
Commit 6c846d026d ("gpio: Don't fiddle with irqchips marked as
immutable") added a warning to indicate if the gpiolib is altering the
internals of irqchips.  Following this change the following warnings
are now observed for the mt7621 driver:

gpio gpiochip0: (1e000600.gpio-bank0): not an immutable chip, please consider fixing it!
gpio gpiochip1: (1e000600.gpio-bank1): not an immutable chip, please consider fixing it!
gpio gpiochip2: (1e000600.gpio-bank2): not an immutable chip, please consider fixing it!

Fix this by making the irqchip in the mt7621 driver immutable.

Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-09-14 14:18:08 +02:00
Linus Torvalds
3245cb65fd Devicetree fixes for v6.0, take 2:
- Update some stale binding maintainer emails
 
 - Fix property name error in apple,aic binding
 
 - Add missing param to of_dma_configure_id() stub
 
 - Fix an off-by-one error in unflatten_dt_nodes()
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Merge tag 'devicetree-fixes-for-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Update some stale binding maintainer emails

 - Fix property name error in apple,aic binding

 - Add missing param to of_dma_configure_id() stub

 - Fix an off-by-one error in unflatten_dt_nodes()

* tag 'devicetree-fixes-for-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: pinctrl: qcom: drop non-working codeaurora.org emails
  dt-bindings: power: qcom,rpmpd: drop non-working codeaurora.org emails
  dt-bindings: apple,aic: Fix required item "apple,fiq-index" in affinity description
  dt-bindings: interconnect: fsl,imx8m-noc: drop Leonard Crestez
  of/device: Fix up of_dma_configure_id() stub
  MAINTAINERS: Update email of Neil Armstrong
  of: fdt: fix off-by-one error in unflatten_dt_nodes()
2022-09-14 10:22:39 +01:00
Steve French
8af8aed97b cifs: update internal module number
To 2.39

Signed-off-by: Steve French <stfrench@microsoft.com>
2022-09-14 04:00:06 -05:00