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For a little better performance on faster machines and faster link
speeds.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Older firmware only supports 16-bit flow handle, because of which the
number of flows that can be offloaded can’t scale beyond a point.
Newer firmware supports 64-bit flow handle enabling the host to scale
upto millions of flows. With the new 64-bit flow handle support, driver
has to query flow stats in a different way compared to the older approach.
This patch adds support for 64-bit flow handle and new way to query
flow stats.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If RDMA is supported on the 57500 chip, increase context memory
allocations for the resources used by RDMA.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the new functions bnxt_alloc_ctx_pg_tbls()/bnxt_free_ctx_pg_tbls()
to allocate and free pages for context memory. The new functions
will handle the different levels of paging support and allocate/free
the pages accordingly using the existing functions.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To support level 2 context page memory structures, enhance the
bnxt_ring_mem_info structure with a "depth" field to specify the page
level and add a flag to specify using full pages for L1 and L2 page
tables. This is needed to support RDMA functionality on 57500 chips
since RDMA requires more context memory.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Earlier, some of the firmware commands (ex: CFA_FLOW_*) which are processed
by KONG processor were sent to the CHIMP processor from the host. This
approach was taken as there was no direct message channel to KONG.
CHIMP in turn used to send them to KONG. Newer firmware supports a new
message channel which the host can send messages directly to the KONG
processor.
This patch adds support for required changes needed in the driver
to support direct KONG message channel. This speeds up flow related
messages sent to the firmware for CLS_FLOWER offload.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These routines will be enhanced in the subsequent patch to
return the 2nd firmware comm. channel's hwrm response address &
sequence id respectively.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Typecast hwrm_cmd_resp_addr to (u8 *) from (void *) before doing
arithmetic.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for adding a 2nd communication channel to firmware.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set hwrm_intr_seq_id value to its inverted value instead of
HWRM_SEQ_INVALID, when an hwrm completion of type
CMPL_BASE_TYPE_HWRM_DONE is received. This will enable us to use
the complete 16-bit sequence ID space.
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The major changes are in the flow offload firmware APIs.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2018-12-20
Two last patches for this release cycle:
1) Remove an unused variable in xfrm_policy_lookup_bytype().
From YueHaibing.
2) Fix possible infinite loop in __xfrm6_tunnel_alloc_spi().
Also from YueHaibing.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k fix from Geert Uytterhoeven:
"Fix memblock-related crashes"
* tag 'm68k-for-v4.20-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix memblock-related crashes
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fix from Masahiro Yamada:
"Fix false positive warning/error about missing library for objtool"
* tag 'kbuild-fixes-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: fix false positive warning/error about missing libelf
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are three tiny last-minute driver fixes for 4.20-rc8 that resolve
some reported issues, and one MAINTAINERS file update.
All of them are related to the hyper-v subsystem, it seems people are
actually testing and using it now, which is nice to see :)
The fixes are:
- uio_hv_generic: fix for opening multiple times
- Remove PCI dependancy on hyperv drivers
- return proper error code for an unopened channel.
And Sasha has signed up to help out with the hyperv maintainership.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-4.20-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
x86, hyperv: remove PCI dependency
MAINTAINERS: Patch monkey for the Hyper-V code
uio_hv_generic: set callbacks on open
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fix from Greg KH:
"Here is a single fix, a revert, for the 8250 serial driver to resolve
a reported problem.
There was some attempted patches to fix the issue, but people are
arguing about them, so reverting the patch to revert back to the 4.19
and older behavior is the best thing to do at this late in the release
cycle.
The revert has been in linux-next with no reported issues"
* tag 'tty-4.20-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "serial: 8250: Fix clearing FIFOs in RS485 mode again"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes and ids from Greg KH:
"Here are some late xhci fixes for 4.20-rc8 as well as a few new device
ids for the option usb-serial driver.
The xhci fixes resolve some many-reported issues and all of these have
been in linux-next for a while with no reported problems"
* tag 'usb-4.20-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: xhci: fix 'broken_suspend' placement in struct xchi_hcd
xhci: Don't prevent USB2 bus suspend in state check intended for USB3 only
USB: serial: option: add Telit LN940 series
USB: serial: option: add Fibocom NL668 series
USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode)
USB: serial: option: add GosunCn ZTE WeLink ME3630
USB: serial: option: add HP lt4132
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Restore code to allow BKOPS and CACHE ctrl even if no HPI support
- Reset HPI enabled state during re-init
- Use a default minimum timeout when enabling CACHE ctrl
MMC host:
- omap_hsmmc: Fix DMA API warning
- sdhci-tegra: Fix dt parsing of SDMMC pads autocal values
- Correct register accesses when enabling v4 mode"
* tag 'mmc-v4.20-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Use a minimum 1600ms timeout when enabling CACHE ctrl
mmc: core: Allow BKOPS and CACHE ctrl even if no HPI support
mmc: core: Reset HPI enabled state during re-init and in case of errors
mmc: omap_hsmmc: fix DMA API warning
mmc: tegra: Fix for SDMMC pads autocal parsing from dt
mmc: sdhci: Fix sdhci_do_enable_v4_mode
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This reverts commit 61c6de667263184125d5ca75e894fcad632b0dd3.
The reverted commit added page reference counting to iomap page
structures that are used to track block size < page size state. This
was supposed to align the code with page migration page accounting
assumptions, but what it has done instead is break XFS filesystems.
Every fstests run I've done on sub-page block size XFS filesystems
has since picking up this commit 2 days ago has failed with bad page
state errors such as:
# ./run_check.sh "-m rmapbt=1,reflink=1 -i sparse=1 -b size=1k" "generic/038"
....
SECTION -- xfs
FSTYP -- xfs (debug)
PLATFORM -- Linux/x86_64 test1 4.20.0-rc6-dgc+
MKFS_OPTIONS -- -f -m rmapbt=1,reflink=1 -i sparse=1 -b size=1k /dev/sdc
MOUNT_OPTIONS -- /dev/sdc /mnt/scratch
generic/038 454s ...
run fstests generic/038 at 2018-12-20 18:43:05
XFS (sdc): Unmounting Filesystem
XFS (sdc): Mounting V5 Filesystem
XFS (sdc): Ending clean mount
BUG: Bad page state in process kswapd0 pfn:3a7fa
page:ffffea0000ccbeb0 count:0 mapcount:0 mapping:ffff88800d9b6360 index:0x1
flags: 0xfffffc0000000()
raw: 000fffffc0000000 dead000000000100 dead000000000200 ffff88800d9b6360
raw: 0000000000000001 0000000000000000 00000000ffffffff
page dumped because: non-NULL mapping
CPU: 0 PID: 676 Comm: kswapd0 Not tainted 4.20.0-rc6-dgc+ #915
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1 04/01/2014
Call Trace:
dump_stack+0x67/0x90
bad_page.cold.116+0x8a/0xbd
free_pcppages_bulk+0x4bf/0x6a0
free_unref_page_list+0x10f/0x1f0
shrink_page_list+0x49d/0xf50
shrink_inactive_list+0x19d/0x3b0
shrink_node_memcg.constprop.77+0x398/0x690
? shrink_slab.constprop.81+0x278/0x3f0
shrink_node+0x7a/0x2f0
kswapd+0x34b/0x6d0
? node_reclaim+0x240/0x240
kthread+0x11f/0x140
? __kthread_bind_mask+0x60/0x60
ret_from_fork+0x24/0x30
Disabling lock debugging due to kernel taint
....
The failures are from anyway that frees pages and empties the
per-cpu page magazines, so it's not a predictable failure or an easy
to debug failure.
generic/038 is a reliable reproducer of this problem - it has a 9 in
10 failure rate on one of my test machines. Failure on other
machines have been at random points in fstests runs but every run
has ended up tripping this problem. Hence generic/038 was used to
bisect the failure because it was the most reliable failure.
It is too close to the 4.20 release (not to mention holidays) to
try to diagnose, fix and test the underlying cause of the problem,
so reverting the commit is the only option we have right now. The
revert has been tested against a current tot 4.20-rc7+ kernel across
multiple machines running sub-page block size XFs filesystems and
none of the bad page state failures have been seen.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Cc: Piotr Jaroszynski <pjaroszynski@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Brian Foster <bfoster@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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transmission from FIFO
The current state of the spi-sh-msiof, in master transfer mode: if t-> bits_per_word <= 8,
if the data length is divisible by 4 ((len & 3) = 0), the length of each word will be 32 bits
In case of data length can not be divisible by 4 ((len & 3) != 0), always set each word to be
8 bits, this will increase the number of times that write to FIFO, increasing the number of
times it should be transmitted. Assume that the number of bytes of data length more than 64 bytes,
each transmission will write 64 times into the TFDR then transmit, a maximum one-time
transmission will transmit 64 bytes if each word is 8 bits long.
Switch to setting if t->bits_per_word <= 8, the word length will be 32 bits although the data
length is not divisible by 4, then if leftover, will transmit the balance and the length of each
words is 1 byte. The maximum each can transmit up to 64 x 4 (Data Size = 32 bits (4 bytes)) = 256 bytes.
TMDR2 : Bits 28 to 24 BITLEN1[4:0] Data Size (8 to 32 bits)
Bits 23 to 16 WDLEN1[7:0] Word Count (1 to 64 words)
Signed-off-by: Hoan Nguyen An <na-hoan@jinso.co.jp>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The n_voltages setting is not set, fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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mcp16502_suspend/resume_noirq
mcp16502_suspend/resume_noirq is only used by SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
when CONFIG_PM_SLEEP is defined.
So use #ifdef CONFIG_PM_SLEEP instead CONFIG_SUSPEND guard.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
PPC KVM update for 4.21 from Paul Mackerras
The main new feature this time is support in HV nested KVM for passing
a device that is emulated by a level 0 hypervisor and presented to
level 1 as a PCI device through to a level 2 guest using VFIO.
Apart from that there are improvements for migration of radix guests
under HV KVM and some other fixes and cleanups.
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If CONFIG_MLX5_ESWITCH is not defined, test for SR-IOV being disabled,
instead of calling e-switch LAG prereq routine.
Since LAG with SRIOV is allowed only when switchdev mode is on.
Fixes: eff849b2c669 ("net/mlx5: Allow/disallow LAG according to pre-req only")
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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vport system image guid should be queried using vport nic API for
Ethernet ports, and vport hca API for Infiniband ports.
Fixes: fadd59fc50d0 ("net/mlx5: Introduce inter-device communication mechanism")
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Generate encap header depending on the routed device to support
native/tagged Ethernet header.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Support generation of native or tagged Ethernet header for encap
header, depending on provided net device.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Change the order to first route IPv4/6 and return if error. Only after
successful route continue to allocate an encap header, with no
functional change.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In tunnel encap we prepare the encap header for IPv4/6 cases, in two
separate functions. For ETH header generation the code is almost
duplicated.
Move the ETH header generation code from IPv4/6 functions to a helper
function, with no functional change.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Currently we don't support nor fail attempts to offload encap flows routed
to vlan device on the underlay network. We wrongly consider a vlan underlay
device to be on the same e-switch b/c the switchdev ID is retrieved recursively.
Add explicit check for that and fail such attempts.
Also align to a more strict check for the ingress and the underlay devices
to practically be on the same eswitch.
Fixes: ce99f6b97fcd ('net/mlx5e: Support SRIOV TC encapsulation offloads for IPv6 tunnels')
Fixes: 3e621b19b0bb ('net/mlx5e: Support TC encapsulation offloads with upper devices')
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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For tunnel we determine the output devs for IPv4/6 cases, in two
separate functions, with a duplicated code.
Move that code from IPv4/6 functions to a helper function, with no
functional change.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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We use the switchdev parent HW id helper to identify if the mirred device
shares the same ASIC/port with the ingress device. This can get us wrong
in the presence of upper devices such as vlan or bridge set over the HW
devices (VF or uplink representors), b/c the switchdev ID is retrieved
recursively.
To fail offload attempts in such cases, we condition the check on the
egress device to have not only the same switchdev ID but also the relevant
mlx5 netdev ops.
Fixes: 03a9d11e6eeb ('net/mlx5e: Add TC drop and mirred/redirect action parsing for SRIOV offloads')
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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There are cases (e.g tunneling with vlan on underlay and potentially
more) where this makes sense, so allow that.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The default size for the VF representors' SQ was too small to handle high
packet rates. Doubling the size from 64 to 128 drastically improves the
packet rate under stress (by about 50%), whereas increasing the size
beyond 128 has not shown to make any further difference.
The impact of the SQ size was measured with UDP traffic, in the following
topology: TG <-> PF <-> TC forwarding <-> VF representor <-> VF in VM
over a single core processing bi-directional traffic, with the following
results:
SQ size of 64: SQ size of 128:
Packet rate for 64B UDP packets: 860 [Kpps] 1280 [Kpps]
Packet rate for 114B VxLan
encapsulated UDP packets: 320 [Kpps] 500 [Kpps]
Signed-off-by: Gavi Teitz <gavi@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Read the system time right before and immediately after reading the low
register of the internal timer. This adds support for the
PTP_SYS_OFFSET_EXTENDED ioctl.
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The timecounter needs to be updated at least once in half of the
cyclecounter interval to prevent timecounter_cyc2time() interpreting a
new timestamp as an old value and causing a backward jump.
This would be an issue if the timecounter multiplier was so small that
the update interval would not be limited by the 64-bit overflow in
multiplication.
Shorten the calculated interval to make sure the timecounter is updated
in time even when the system clock is slowed down by up to 10%, the
multiplier is increased by up to 10%, and the scheduled overflow check
is late by 15%.
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Ariel Levkovich <lariel@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
for debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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opal_pci_eeh_freeze_status
The current implementation of the OPAL_PCI_EEH_FREEZE_STATUS call in
skiboot's NPU driver does not touch the pci_error_type parameter so
it might have garbage but the powernv code analyzes it nevertheless.
This initializes pcierr and fstate to zero in all call sites.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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fixup_phb() is never used, this removes it.
pick_m64_pe() and reserve_m64_pe() are always defined for all powernv
PHBs: they are initialized by pnv_ioda_parse_m64_window() which is
called unconditionally from pnv_pci_init_ioda_phb() which initializes
all known PHB types on powernv so we can open code them.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Report branch predictor state flush as a mitigation for
Spectre variant 2.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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At the moment PNV_IODA_PE_DEV is only used for NPU PEs which are not
present on IODA1 machines (i.e. POWER7) so let's remove a piece of
dead code.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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If the user choses not to use the mitigations, replace
the code sequence with nops.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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As a part of cleanup, the SPAPR TCE IOMMU subdriver releases preregistered
memory. If there is a bug in memory release, the loop in
tce_iommu_release() becomes infinite; this actually happened to me.
This makes the loop finite and prints a warning on every failure to make
the code more bug prone.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Switching from the guest to host is another place
where the speculative accesses can be exploited.
Flush the branch predictor when entering KVM.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The macro and few headers are not used so remove them.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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