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It is perfectly possible to have non zero indexed switches being present
in a DSA switch tree, in such a case, we will be deferencing a NULL
pointer while dsa_cpu_port_ethtool_{setup,restore}. Be more defensive
and ensure that dst->ds[0] is valid before doing anything with it.
Fixes: 0c73c523cf73 ("net: dsa: Initialize CPU port ethtool ops per tree")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On APQ8060, the kernel crashes in arch_hw_breakpoint_init, taking an
undefined instruction trap within write_wb_reg. This is because Scorpion
CPUs erroneously appear to set DBGPRSR.SPD when WFI is issued, even if
the core is not powered down. When DBGPRSR.SPD is set, breakpoint and
watchpoint registers are treated as undefined.
It's possible to trigger similar crashes later on from userspace, by
requesting the kernel to install a breakpoint or watchpoint, as we can
go idle at any point between the reset of the debug registers and their
later use. This has always been the case.
Given that this has always been broken, no-one has complained until now,
and there is no clear workaround, disable hardware breakpoints and
watchpoints on Scorpion to avoid these issues.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARM has a few system calls (most notably mmap) for which the names of
the functions which are referenced in the syscall table do not match the
names of the syscall tracepoints. As a consequence of this, these
tracepoints are not made available. Implement
arch_syscall_match_sym_name to fix this and allow tracing even these
system calls.
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"This update consists of fixes to use shell instead of bash to run
tests in embedded devices where the only shell available is the
busybox ash.
Also included is a typo fix to a test result message"
* tag 'linux-kselftest-4.10-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: x86/pkeys: fix spelling mistake: "itertation" -> "iteration"
selftests: do not require bash to run netsocktests testcase
selftests: do not require bash to run bpf tests
selftests: do not require bash for the generated test
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If blk_mq_init_queue() returns an error, it gets assigned to
vblk->disk->queue. Then, when we call put_disk(), we end up calling
blk_put_queue() with the ERR_PTR, causing a bad dereference. Fix it by
only assigning to vblk->disk->queue on success.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Additionally, don't assign directly to disk->queue, otherwise
blk_put_queue (called via put_disk) will choke (panic) on the errno
stored there.
Bug found by code inspection after Omar found a similar issue in
virtio_blk. Compile-tested only.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Most users of BLOCK_PC requests allocate the sense buffer on the stack,
so to avoid DMA to the stack copy them to a field in the heap allocated
virtblk_req structure. Without that any attempt at SCSI passthrough I/O,
including the SG_IO ioctl from userspace will crash the kernel. Note that
this includes running tools like hdparm even when the host does not have
SCSI passthrough enabled.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Jens Axboe <axboe@fb.com>
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The code currently uses sdio->blkbits to compute the number of blocks to
be cleaned. However sdio->blkbits is derived from the logical block size
of the underlying block device (Refer to the definition of
do_blockdev_direct_IO()). Due to this, generic/299 test would rarely
fail when executed on an ext4 filesystem with 64k as the block size and
when using a virtio based disk (having 512 byte as the logical block
size) inside a kvm guest.
This commit fixes the bug by using inode->i_blkbits to compute the
number of blocks to be cleaned.
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Fixed up by Jeff Moyer to only use/evaluate inode->i_blkbits once,
to avoid issues with block size changes with IO in flight.
Signed-off-by: Jens Axboe <axboe@fb.com>
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This is not exposed to userspace debugers yet, which can be done
independently as a seperate patch !
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Function rx_data(), which handles ingress CPL_RX_DATA messages, was
always sending an RX_DATA_ACK with the goal of updating the credits.
However, if the RDMA connection is moved out of FPDU mode abruptly,
then it is possible for iw_cxgb4 to process queued RX_DATA CPLs after HW
has aborted the connection. These CPLs should not trigger RX_DATA_ACKS.
If they do, HW can see a READ after DELETE of the DB_LE hash entry for
the tid and post a LE_DB HashTblMemCrcError.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Commit ad61a4c7a9b7 ("iw_cxgb4: don't block in destroy_qp awaiting
the last deref") introduced a bug where the RDMA QP EQ queue memory
(and QIDs) are possibly freed before the underlying connection has been
fully shutdown. The result being a possible DMA read issued by HW after
the queue memory has been unmapped and freed. This results in possible
WR corruption in the worst case, system bus errors if an IOMMU is in use,
and SGE "bad WR" errors reported in the very least. The fix is to defer
unmap/free of queue memory and QID resources until the QP struct has
been fully dereferenced. To do this, the c4iw_ucontext must also be kept
around until the last QP that references it is fully freed. In addition,
since the last QP deref can happen in an IRQ disabled context, we need
a new workqueue thread to do the final unmap/free of the EQ queue memory.
Fixes: ad61a4c7a9b7 ("iw_cxgb4: don't block in destroy_qp awaiting the last deref")
Cc: stable@vger.kernel.org
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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With the addition of the IB/Core drain API, iw_cxgb4 supported drain
by watching the CQs when the QP was out of RTS and signalling "drain
complete" when the last CQE is polled. This, however, doesn't fully
support the drain semantics. Namely, the drain logic is supposed to signal
"drain complete" only when the application has _processed_ the last CQE,
not just removed them from the CQ. Thus a small timing hole exists that
can cause touch after free type bugs in applications using the drain API
(nvmf, iSER, for example). So iw_cxgb4 needs a better solution.
The iWARP Verbs spec mandates that "_at some point_ after the QP is
moved to ERROR", the iWARP driver MUST synchronously fail post_send and
post_recv calls. iw_cxgb4 was currently not allowing any posts once the
QP is in ERROR. This was in part due to the fact that the HW queues for
the QP in ERROR state are disabled at this point, so there wasn't much
else to do but fail the post operation synchronously. This restriction
is what drove the first drain implementation in iw_cxgb4 that has the
above mentioned flaw.
This patch changes iw_cxgb4 to allow post_send and post_recv WRs after
the QP is moved to ERROR state for kernel mode users, thus still adhering
to the Verbs spec for user mode users, but allowing flush WRs for kernel
users. Since the HW queues are disabled, we just synthesize a CQE for
this post, queue it to the SW CQ, and then call the CQ event handler.
This enables proper drain operations for the various storage applications.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Removes following sparse complain :
net/core/flow_dissector.c:70:8: warning: symbol 'skb_flow_get_be16'
was not declared. Should it be static?
Fixes: 972d3876faa8 ("flow dissector: ICMP support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The node name for the power seq pin is mmc2@0 like the mmc2_pins_a one.
This makes the original node (mmc2_pins_a) scrapped out of the dtb and
result in a unusable eMMC if U-Boot didn't configured the pins to the
correct functions.
Signed-off-by: Emmanuel Vadot <manu@bidouilliste.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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If srp_transfer_data fails within ibmvscsis_write_pending, then
the most likely scenario is that the client timed out the op and
removed the TCE mapping. Thus it will loop forever retrying the
op that is pretty much guaranteed to fail forever. A better return
code would be EIO instead of EAGAIN.
Cc: stable@vger.kernel.org
Reported-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bgly@us.ibm.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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The commit 10efbf5f1633 ("ARM: dts: sun8i: Add dts file for NanoPi M1 SBC")
introduced NanoPi M1 board but it's missing in Allwinner H3 DTB build.
Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Now that we disable the display engine by default, we need to re-enable
it for the Hummingbird A31, which already had its display pipeline
enabled.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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While we now support the internal display pipeline found on sun6i, it
is possible that we are unable to enable the display for some boards,
due to a lack of drivers for the panels or bridges found on them. If
the display pipeline is enabled, the driver will try to enable, and
possibly screw up the simple framebuffer U-boot had configured.
Disable the display pipeline by default.
Fixes: 6d0e5b70be13 ("ARM: dts: sun6i: Add device nodes for first
display pipeline")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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MUSB driver now has runtime PM support, but the debugfs driver misses
the PM _get/_put() calls, which could cause MUSB register access
failure.
Cc: stable@vger.kernel.org # 4.9+
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Hayes Wang says:
====================
r8152: fix autosuspend issue
Avoid rx is split into two parts when runtime suspend occurs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pause the rx and make sure the rx fifo is empty when the autosuspend
occurs.
If the rx data comes when the driver is canceling the rx urb, the host
controller would stop getting the data from the device and continue
it after next rx urb is submitted. That is, one continuing data is
split into two different urb buffers. That let the driver take the
data as a rx descriptor, and unexpected behavior happens.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Split rtl8152_suspend() into rtl8152_system_suspend() and
rtl8152_rumtime_suspend().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SPC4r37 6.4.1 EXTENDED COPY(LID4) states (also applying to LID1 reqs):
A parameter list length of zero specifies that the copy manager shall
not transfer any data or alter any internal state, and this shall not
be considered an error.
This behaviour can be tested using the libiscsi ExtendedCopy.ParamHdr
test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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Check for XCOPY header, CSCD descriptor and segment descriptor list
truncation, and respond accordingly.
SPC4r37 6.4.1 EXTENDED COPY(LID4) states (also applying to LID1 reqs):
If the parameter list length causes truncation of the parameter list,
then the copy manager shall transfer no data and shall terminate the
EXTENDED COPY command with CHECK CONDITION status, with the sense key
set to ILLEGAL REQUEST, and the additional sense code set to PARAMETER
LIST LENGTH ERROR.
This behaviour can be tested using the libiscsi ExtendedCopy.ParamHdr
test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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The XCOPY specification in SPC4r37 states that the XCOPY source and
destination device(s) should be derived from the copy source and copy
destination (CSCD) descriptor IDs in the XCOPY segment descriptor.
The CSCD IDs are generally (for block -> block copies), indexes into
the corresponding CSCD descriptor list, e.g.
=================================
EXTENDED COPY Header
=================================
CSCD Descriptor List
- entry 0
+ LU ID <--------------<------------------\
- entry 1 |
+ LU ID <______________<_____________ |
================================= | |
Segment Descriptor List | |
- segment 0 | |
+ src CSCD ID = 0 --------->---------+----/
+ dest CSCD ID = 1 ___________>______|
+ len
+ src lba
+ dest lba
=================================
Currently LIO completely ignores the src and dest CSCD IDs in the
Segment Descriptor List, and instead assumes that the first entry in the
CSCD list corresponds to the source, and the second to the destination.
This commit removes this assumption, by ensuring that the Segment
Descriptor List is parsed prior to processing the CSCD Descriptor List.
CSCD Descriptor List processing is modified to compare the current list
index with the previously obtained src and dest CSCD IDs.
Additionally, XCOPY requests where the src and dest CSCD IDs refer to
the CSCD Descriptor List entry can now be successfully processed.
Fixes: cbf031f ("target: Add support for EXTENDED_COPY copy offload")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=191381
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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Ensure that the segment descriptor CSCD descriptor ID values correspond
to CSCD descriptor entries located in the XCOPY command parameter list.
SPC4r37 6.4.6.1 Table 150 specifies this range as 0000h to 07FFh, where
the CSCD descriptor location in the parameter list can be located via:
16 + (id * 32)
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[ bvanassche: inserted "; " in the format string of an error message
and also moved a "||" operator from the start of a line to the end
of the previous line ]
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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target_xcopy_locate_se_dev_e4() is used to locate an se_dev, based on
the WWN provided with the XCOPY request. Remove a couple of unneeded
arguments, and rely on the caller for the src/dst test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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Use UNSUPPORTED TARGET DESCRIPTOR TYPE CODE and UNSUPPORTED SEGMENT
DESCRIPTOR TYPE CODE additional sense codes if a descriptor type in an
XCOPY request is not supported, as specified in spc4r37 6.4.5 and 6.4.6.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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spc4r37 6.4.3.5 states:
If the combined length of the CSCD descriptors and segment descriptors
exceeds the allowed value, then the copy manager shall terminate the
command with CHECK CONDITION status, with the sense key set to ILLEGAL
REQUEST, and the additional sense code set to PARAMETER LIST LENGTH
ERROR.
This functionality can be tested using the libiscsi
ExtendedCopy.DescrLimits test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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Check the length of the XCOPY request segment descriptor list against
the value advertised via the MAXIMUM SEGMENT DESCRIPTOR COUNT field in
the RECEIVE COPY OPERATING PARAMETERS response.
spc4r37 6.4.3.5 states:
If the number of segment descriptors exceeds the allowed number, the
copy manager shall terminate the command with CHECK CONDITION status,
with the sense key set to ILLEGAL REQUEST, and the additional sense
code set to TOO MANY SEGMENT DESCRIPTORS.
This functionality is testable using the libiscsi
ExtendedCopy.DescrLimits test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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spc4r37 6.4.3.4 states:
If the number of CSCD descriptors exceeds the allowed number, the copy
manager shall terminate the command with CHECK CONDITION status, with
the sense key set to ILLEGAL REQUEST, and the additional sense code
set to TOO MANY TARGET DESCRIPTORS.
LIO currently responds with INVALID FIELD IN PARAMETER LIST, which sees
it fail the libiscsi ExtendedCopy.DescrLimits test.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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As defined in http://www.t10.org/lists/asc-num.htm. To be used during
validation of XCOPY target and segment descriptor lists.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
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Make sockfs_setattr() static as it is not used outside of net/socket.c
This fixes the following GCC warning:
net/socket.c:534:5: warning: no previous prototype for ‘sockfs_setattr’ [-Wmissing-prototypes]
Fixes: 86741ec25462 ("net: core: Add a UID field to struct sock.")
Cc: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.10
Only two fixes at this time. The rtlwifi fix is an important one as it
fixes a reported oops and Linus was already asking about it. The
orinoco fix is not tested on a real device, because it's old legacy
hardware and hardly no-one use it, but it should fix a (theoretical)
issue with VMAP_STACK.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver put a constant buffer of all zeros on the stack and
pointed a scatterlist entry at it. This doesn't work with virtual
stacks. Use ZERO_PAGE instead.
Cc: stable@vger.kernel.org # 4.9 only
Reported-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current implementation failed to detect short transfers when
attempting to read the line state, and also, to make things worse,
logged the content of the uninitialised heap transfer buffer.
Fixes: abf492e7b3ae ("USB: kl5kusb105: fix DMA buffers on stack")
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Previously we checked for iATU unroll support by reading PCIE_ATU_VIEWPORT
even on platforms, e.g., Keystone, that do not have ATU ports. This can
cause bad behavior such as asynchronous external aborts:
OF: PCI: MEM 0x60000000..0x6fffffff -> 0x60000000
Unhandled fault: asynchronous external abort (0x1211) at 0x00000000
pgd = c0003000
[00000000] *pgd=80000800004003, *pmd=00000000
Internal error: : 1211 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.0-00009-g6ff59d2-dirty #7
Hardware name: Keystone
task: eb878000 task.stack: eb866000
PC is at dw_pcie_setup_rc+0x24/0x380
LR is at ks_pcie_host_init+0x10/0x170
Move the dw_pcie_iatu_unroll_enabled() check so we only call it on
platforms that do not use the ATU. These platforms supply their own
->rd_other_conf() and ->wr_other_conf() methods.
[bhelgaas: changelog]
Fixes: a0601a470537 ("PCI: designware: Add iATU Unroll feature")
Fixes: 416379f9ebde ("PCI: designware: Check for iATU unroll support after initializing host")
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-By: Joao Pinto <jpinto@synopsys.com>
CC: stable@vger.kernel.org # v4.9+
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Also update Kconfig help text, explaining things:
Cirrus is obsolete, the hardware was designed in the 90ies
and can't keep up with todays needs. More background:
https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
Better alternatives are:
- stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
- qxl (DRM_QXL, qemu -vga qxl, works best with spice)
- virtio (VIRTIO_GPU), qemu -vga virtio)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Changes:
* add myself as maintainer, so patches land in my inbox.
* add virtualization@lists.linux-foundation.org mailing list.
* add drm-qemu git repo.
* flip bochs and qxl status to "Maintained".
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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virtio uses normal ram as backing storage for the framebuffer, so we
should assign the address to new screen_buffer (added by commit
17a7b0b4d9749f80d365d7baff5dec2f54b0e992) instead of screen_base.
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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No actual segmentation faults were observed but the coding is
at least inconsistent.
irqreturn_t meson_mmc_irq():
We should not dereference host before checking it.
meson_mmc_irq_thread():
If cmd or mrq are NULL we should not dereference them after
writing a warning.
Fixes: 51c5d8447bd7 MMC: meson: initial support for GX platforms
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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'asoc/fix/tlv320aic3x' and 'asoc/fix/topology' into asoc-linus
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'asoc/fix/dwc', 'asoc/fix/fsl-ssi' and 'asoc/fix/hdmi-codec' into asoc-linus
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Plantronics BT600 does not support reading the sample rate which leads
to many lines of "cannot get freq at ep 0x1" and "cannot get freq at
ep 0x82". This patch adds the USB ID of the BT600 to quirks.c and
avoids those error messages.
Signed-off-by: Dennis Kadioglu <denk@post.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Instead of scheduling the work to handle the initial delayed event, use 1s
delay.
This delay should not be needed, but Optimus/nouveau will fail in a
mysterious way if the delayed event is handled as soon as possible like it
is done in drm_helper_probe_single_connector_modes() in case the poll
was enabled before.
Reverting 339fd36238dd would give back the 10 sec (!) delay to handle the
delayed event. Adding 1sec delay to the poll_work is enough to work around
the issue in Optimus setups and gives shorter response on handling the
initial delayed event.
Fixes: 339fd36238dd ("drm: drm_probe_helper: Fix output_poll_work scheduling")
Cc: stable@vger.kernel.org # v4.9
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[danvet: Add FIXME to the comment to make it stick out more.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170109143158.21917-1-peter.ujfalusi@ti.com
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drm-intel-fixes
GVT-g fixes from Zhenya, "Please pull GVT-g device model fixes for
rc4. This is based on rc3 with new vfio/mdev interface change."
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This change was missed the tmpfs modification in In CVE-2016-7097
commit 073931017b49 ("posix_acl: Clear SGID bit when setting
file permissions")
It can test by xfstest generic/375, which failed to clear
setgid bit in the following test case on tmpfs:
touch $testfile
chown 100:100 $testfile
chmod 2755 $testfile
_runas -u 100 -g 101 -- setfacl -m u::rwx,g::rwx,o::rwx $testfile
Signed-off-by: Gu Zheng <guzheng1@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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