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For retransmitted packets, TCP needs to resort to using TCP timestamps
for computing RTT samples. In the common case where the data and ACK
fall in the same 1-millisecond interval, TCP senders with millisecond-
granularity TCP timestamps compute a ca_rtt_us of 0. This ca_rtt_us
of 0 propagates to rs->rtt_us.
This value of 0 can cause performance problems for congestion control
modules. For example, in BBR, the zero min_rtt sample can bring the
min_rtt and BDP estimate down to 0, reduce snd_cwnd and result in a
low throughput. It would be hard to mitigate this with filtering in
the congestion control module, because the proper floor to apply would
depend on the method of RTT sampling (using timestamp options or
internally-saved transmission timestamps).
This fix applies a floor of 1 for the RTT sample delta from TCP
timestamps, so that seq_rtt_us, ca_rtt_us, and rs->rtt_us will be at
least 1 * (USEC_PER_SEC / TCP_TS_HZ).
Note that the receiver RTT computation in tcp_rcv_rtt_measure() and
min_rtt computation in tcp_update_rtt_min() both already apply a floor
of 1 timestamp tick, so this commit makes the code more consistent in
avoiding this edge case of a value of 0.
Signed-off-by: Jianfeng Wang <jfwang@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Kevin Yang <yyd@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Ingo Molnar:
"Boris is on vacation and he asked us to send you the pending RAS bits:
- Print the PPIN field on CPUs that fill them out
- Fix an MCE injection bug
- Simplify a kzalloc in dev_mcelog_init_device()"
* tag 'ras-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce, EDAC/mce_amd: Print PPIN in machine check records
x86/mce/dev-mcelog: Use struct_size() helper in kzalloc()
x86/mce/inject: Fix a wrong assignment of i_mce.status
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer update from Ingo Molnar:
"Set the X86_FEATURE_TSC_KNOWN_FREQ flag for Xen guests, to avoid
recalibration"
* tag 'x86-timers-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen/time: Set the X86_FEATURE_TSC_KNOWN_FREQ flag in xen_tsc_khz()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
"The biggest change is the removal of SGI UV1 support, which allowed
the removal of the legacy EFI old_mmap code as well.
This removes quite a bunch of old code & quirks"
* tag 'x86-platform-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Remove unused EFI_UV1_MEMMAP code
x86/platform/uv: Remove uv bios and efi code related to EFI_UV1_MEMMAP
x86/efi: Remove references to no-longer-used efi_have_uv1_memmap()
x86/efi: Delete SGI UV1 detection.
x86/platform/uv: Remove efi=old_map command line option
x86/platform/uv: Remove vestigial mention of UV1 platform from bios header
x86/platform/uv: Remove support for UV1 platform from uv
x86/platform/uv: Remove support for uv1 platform from uv_hub
x86/platform/uv: Remove support for UV1 platform from uv_bau
x86/platform/uv: Remove support for UV1 platform from uv_mmrs
x86/platform/uv: Remove support for UV1 platform from x2apic_uv_x
x86/platform/uv: Remove support for UV1 platform from uv_tlb
x86/platform/uv: Remove support for UV1 platform from uv_time
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mmm update from Ingo Molnar:
"The biggest change is to not sync the vmalloc and ioremap ranges for
x86-64 anymore"
* tag 'x86-mm-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/64: Make sync_global_pgds() static
x86/mm/64: Do not sync vmalloc/ioremap mappings
x86/mm: Pre-allocate P4D/PUD pages for vmalloc area
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MSR filtering from Ingo Molnar:
"Filter MSR writes from user-space by default, and print a syslog entry
if they happen outside the allowed set of MSRs, which is a single one
for now, MSR_IA32_ENERGY_PERF_BIAS.
The plan is to eventually disable MSR writes by default (they can
still be enabled via allow_writes=on)"
* tag 'x86-misc-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/msr: Filter MSR writes
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode update from Ingo Molnar:
"Remove the microcode loader's FW_LOADER coupling"
* tag 'x86-microcode-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Do not select FW_LOADER
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU selftest from Ingo Molnar:
"Add the /sys/kernel/debug/selftest_helpers/test_fpu FPU self-test"
* tag 'x86-fpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/fpu: Add an FPU selftest
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Ingo Molar:
- prepare for Intel's new SERIALIZE instruction
- enable split-lock debugging on more CPUs
- add more Intel CPU models
- optimize stack canary initialization a bit
- simplify the Spectre logic a bit
* tag 'x86-cpu-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Refactor sync_core() for readability
x86/cpu: Relocate sync_core() to sync_core.h
x86/cpufeatures: Add enumeration for SERIALIZE instruction
x86/split_lock: Enable the split lock feature on Sapphire Rapids and Alder Lake CPUs
x86/cpu: Add Lakefield, Alder Lake and Rocket Lake models to the to Intel CPU family
x86/stackprotector: Pre-initialize canary for secondary CPUs
x86/speculation: Merge one test in spectre_v2_user_select_mitigation()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 debug fixlets from Ingo Molnar:
"Improve x86 debuggability: print registers with the same log level as
the backtrace"
* tag 'x86-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Show registers dump with trace's log level
x86/dumpstack: Add log_lvl to __show_regs()
x86/dumpstack: Add log_lvl to show_iret_regs()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Misc cleanups all around the place"
* tag 'x86-cleanups-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioperm: Initialize pointer bitmap with NULL rather than 0
x86: uv: uv_hub.h: Delete duplicated word
x86: cmpxchg_32.h: Delete duplicated word
x86: bootparam.h: Delete duplicated word
x86/mm: Remove the unused mk_kernel_pgd() #define
x86/tsc: Remove unused "US_SCALE" and "NS_SCALE" leftover macros
x86/ioapic: Remove unused "IOAPIC_AUTO" define
x86/mm: Drop unused MAX_PHYSADDR_BITS
x86/msr: Move the F15h MSRs where they belong
x86/idt: Make idt_descr static
initrd: Remove erroneous comment
x86/mm/32: Fix -Wmissing prototypes warnings for init.c
cpu/speculation: Add prototype for cpu_show_srbds()
x86/mm: Fix -Wmissing-prototypes warnings for arch/x86/mm/init.c
x86/asm: Unify __ASSEMBLY__ blocks
x86/cpufeatures: Mark two free bits in word 3
x86/msr: Lift AMD family 0x15 power-specific MSRs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar:
"Misc changes: refresh defconfigs and simplify the boot image link
stage"
* tag 'x86-build-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/defconfigs: Refresh defconfig files
x86/build: Move max-page-size option to LDFLAGS_vmlinux
x86/defconfigs: Remove CONFIG_CRYPTO_AES_586 from i386_defconfig
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There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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It appears that all, but request_irq(), calls in the driver are device managed.
In unlikely case of devm_gpiochip_add_data() failure the IRQ left requested.
Free IRQ on error path by switching to devm_request_threaded_irq() API.
Byproduct of this change is a drop of ->remove() callback completely.
Fixes: 945e72db36bd ("gpio: crystalcove: Use irqchip template")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Commit 959bc7b22bd2 ("gpio: Automatically add lockdep keys") documents
in its commits message its intention to "create a unique class key for
each driver".
It does so by having gpiochip_add_data add in-place the definition of
two static lockdep classes for LOCKDEP use. That way, every caller of
the macro adds their gpiochip with unique lockdep classes.
There are many indirect callers of gpiochip_add_data, however, via
use of devm_gpiochip_add_data. devm_gpiochip_add_data has external
linkage and all its users will share the same lockdep classes, which
probably is not intended.
Fix this by replicating the gpio_chip_add_data statics-in-macro for
the devm_ version as well.
Fixes: 959bc7b22bd2 ("gpio: Automatically add lockdep keys")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200731123835.8003-1-a.fatoum@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Using is_broadcast_ether_addr() instead of directly use
memcmp() to determine if the ethernet address is broadcast
address.
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Huang Guobin <huangguobin4@huawei.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florinel Iordache says:
====================
DPAA FMan driver fixes
Here are several fixes for the DPAA FMan driver.
v2 changes:
* corrected patch 4 by removing the line added by mistake
* used longer fixes tags with the first 12 characters of the SHA-1 ID
v3 changes:
* remove the empty line inserted after fixes tag
====================
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix memory allocation for ethernet address hash table.
The code was wrongly allocating an array for eth hash table which
is incorrect because this is the main structure for eth hash table
(struct eth_hash_t) that contains inside a number of elements.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a safe check to avoid dereferencing null pointer
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The parameter 'priority' is incorrectly forced to zero which ultimately
induces logically dead code in the subsequent lines.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check before using returned value to avoid dereferencing null pointer.
Fixes: 18a6c85fcc78 ("fsl/fman: Add FMan Port Support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Potentially overflowing expression (ts_freq << 16 and intgr << 16)
declared as type u32 (32-bit unsigned) is evaluated using 32-bit
arithmetic and then used in a context that expects an expression of
type u64 (64-bit unsigned) which ultimately is used as 16-bit
unsigned by typecasting to u16. Fixed by using an unsigned 32-bit
integer since the value is truncated anyway in the end.
Fixes: 414fd46e7762 ("fsl/fman: Add FMan support")
Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add_nested() and
gpiochip_set_nested_irqchip(). The irqchip is instead
added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20200726221259.133536-1-linus.walleij@linaro.org
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Make sure to register the GPIO chip after requesting the
interrupt and setting up the IRQ members of the irqchip.
Fixes: 9745079609df ("gpio: stmpe: Use irqchip template")
Reported-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200728072706.348725-1-linus.walleij@linaro.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
"The main change in this cycle was to add support for ZSTD-compressed
kernel and initrd images.
ZSTD has a very fast decompressor, yet it compresses better than gzip"
* tag 'x86-boot-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: dontdiff: Add zstd compressed files
.gitignore: Add ZSTD-compressed files
x86: Add support for ZSTD compressed kernel
x86: Bump ZO_z_extra_bytes margin for zstd
usr: Add support for zstd compressed initramfs
init: Add support for zstd compressed kernel
lib: Add zstd support to decompress
lib: Prepare zstd for preboot environment, improve performance
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
1) UAF in chain binding support from previous batch, from Dan Carpenter.
2) Queue up delayed work to expire connections with no destination,
from Andrew Sy Kim.
3) Use fallthrough pseudo-keyword, from Gustavo A. R. Silva.
4) Replace HTTP links with HTTPS, from Alexander A. Klimov.
5) Remove superfluous null header checks in ip6tables, from
Gaurav Singh.
6) Add extended netlink error reporting for expression.
7) Report EEXIST on overlapping chain, set elements and flowtable
devices.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid a memset after a call to 'dma_alloc_coherent()'.
This is useless since
commit 518a2f1925c3 ("dma-mapping: zero memory returned from dma_alloc_*")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the size used in 'dma_free_coherent()' in order to match the one
used in the corresponding 'dma_alloc_coherent()', in
'spider_net_init_chain()'.
Fixes: d4ed8f8d1fb7 ("Spidernet DMA coalescing")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the size used in 'dma_free_coherent()' in order to match the one
used in the corresponding 'dma_alloc_coherent()'.
Fixes: 369a782af0f1 ("net: sgi: ioc3-eth: ensure tx ring is 16k aligned.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"A couple of changes, concentrated into the percpu code, to enable
Clang support on i386 kernels too"
[ And cleans up the macros to generate percpu ops a lot too - Linus ]
* tag 'x86-asm-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/uaccess: Make __get_user_size() Clang compliant on 32-bit
x86/percpu: Remove unused PER_CPU() macro
x86/percpu: Clean up percpu_stable_op()
x86/percpu: Clean up percpu_cmpxchg_op()
x86/percpu: Clean up percpu_xchg_op()
x86/percpu: Clean up percpu_add_return_op()
x86/percpu: Remove "e" constraint from XADD
x86/percpu: Clean up percpu_add_op()
x86/percpu: Clean up percpu_from_op()
x86/percpu: Clean up percpu_to_op()
x86/percpu: Introduce size abstraction macros
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On an error exit path, a negative error code should be returned
instead of a positive return value.
Fixes: 0c45d7fe12c7e ("liquidio: fix use of pf in pass-through mode in a virtual machine")
Cc: Rick Farrington <ricardo.farrington@cavium.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the case of invalid rule, a positive value EINVAL is returned here.
I think this is a typo error. It is necessary to return an error value.
Cc: Po Liu <Po.Liu@nxp.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In function hw_atl_a0_hw_multicast_list_set(), when an invalid
request is encountered, a negative error code should be returned.
Fixes: bab6de8fd180b ("net: ethernet: aquantia: Atlantic A0 and B0 specific functions")
Cc: David VomLehn <vomlehn@texas.net>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/alternatives update from Ingo Molnar:
"A single commit that improves the alternatives patching syslog debug
output"
* tag 'x86-alternatives-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives: Add pr_fmt() to debug macros
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In queue_skb(), skb->data is mapped to streaming DMA on line 850:
dma_map_single(..., skb->data, ...);
Then skb->data is accessed on lines 862 and 863:
tbd->word_4 = (skb->data[0] << 24) | (skb->data[1] << 16) |
(skb->data[2] << 8) | (skb->data[3] << 0);
and on lines 893 and 894:
tbd->word_4 = (skb->data[0] << 24) | (skb->data[1] << 16) |
(skb->data[2] << 8) | (skb->data[3] << 0);
These accesses may cause data inconsistency between CPU cache and
hardware.
To fix this problem, the calculation result of skb->data is stored in a
local variable before DMA mapping, and then the driver accesses this
local variable instead of skb->data.
Signed-off-by: Jia-Ju Bai <baijiaju@tsinghua.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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no-map node
Just use nomap instead of the second call to of_get_flat_dt_prop(). And
change nomap as a bool type due to != NULL operator. Also, correct comment
about node of 'align' -> 'alignment'.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20200730092353.15644-1-zbestahu@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
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In do_tx(), skb->data is mapped to streaming DMA on line 1111:
paddr = dma_map_single(...,skb->data,DMA_TO_DEVICE);
Then skb->data is accessed on line 1153:
(skb->data[3] & 0xf)
This access may cause data inconsistency between CPU cache and hardware.
To fix this problem, skb->data[3] is assigned to a local variable before
DMA mapping, and then the driver accesses this local variable instead of
skb->data[3].
Signed-off-by: Jia-Ju Bai <baijiaju@tsinghua.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PHYLIB is not selected by the mvusb driver but it uses mdio devres
helpers. Explicitly select MDIO_DEVRES in this driver's Kconfig entry.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 1814cff26739 ("net: phy: add a Kconfig option for mdio_devres")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a missing return statement to atalk_proc_init so it doesn't return
-ENOMEM when successful. This allows the appletalk module to load
properly.
Fixes: e2bcd8b0ce6e ("appletalk: use remove_proc_subtree to simplify procfs code")
Link: https://www.downtowndougbrown.com/2020/08/hacking-up-a-fix-for-the-broken-appletalk-kernel-module-in-linux-5-1-and-newer/
Reported-by: Christopher KOBAYASHI <chris@disavowed.jp>
Reported-by: Doug Brown <doug@downtowndougbrown.com>
Signed-off-by: Vincent Duvert <vincent.ldev@duvert.net>
[lukas: add missing tags]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: stable@vger.kernel.org # v5.1+
Cc: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds full 802.1q VLAN support to the qca8k, allowing the use of
vlan_filtering and more complicated bridging setups than allowed by
basic port VLAN support.
Tested with a number of untagged ports with separate VLANs and then a
trunk port with all the VLANs tagged on it.
v3:
- Pull QCA8K_PORT_VID_DEF changes into separate cleanup patch
- Reverse Christmas tree notation for variable definitions
- Use untagged instead of tagged for consistency
v2:
- Return sensible errnos on failure rather than -1 (rmk)
- Style cleanups based on Florian's feedback
- Silently allow VLAN 0 as device correctly treats this as no tag
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rather than using a magic value of 1 when configuring the port VIDs add
a QCA8K_PORT_VID_DEF define and use that instead. Also fix up the
bitmask in the process; the top 4 bits are reserved so this wasn't a
problem, but only masking 12 bits is the correct approach.
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2020-08-01
This series contains updates to the ice driver only.
Wei Yongjun marks power management functions with __maybe_unused.
Nick disables VLAN pruning in promiscuous mode and renames grst_delay to
grst_timeout.
Kiran modifies the check for linearization and corrects the vsi_id mask
value.
Vignesh replaces the use of flow profile locks to RSS profile locks for RSS
rule removal. Destroys flow profile lock on clearing XLT table and
clears extraction sequence entries.
Jesse adds some statistics and removes an unreported one.
Brett allows for 2 queue configuration for VFs.
Surabhi adds a check for failed allocation of an extraction sequence
table.
Tony updates the PTYPE lookup table and makes other trivial fixes.
Victor extends profile ID locks to be held until all references are
completed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we don't care about vlan depth, we could pass NULL instead of the
address of a unused local variable to skb_network_protocol() as a param.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In fact, skb_pagelen() - skb_headlen() is equal to __skb_pagelen(), use it
directly to avoid unnecessary skb_headlen() call.
Also fix the CHECK note of checkpatch.pl:
Comparison to NULL could be written "!__pskb_pull_tail"
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use eth_zero_addr() to clear mac address instead of memset().
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use eth_zero_addr() to clear mac address instead of memset().
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit c8729cac2a11 ("cxgb4: add ethtool n-tuple filter insertion")
has removed checking control key for determining IP address types
for TC-FLOWER rules, which causes all the rules being inserted to
hardware to become IPv6 rule type always. So, add back the check
to select the correct IP address type to extract and hence fix the
correct rule type being inserted to hardware.
Also, ethtool_rx_flow_key doesn't have any control key and instead
directly sets the IPv4/IPv6 address keys. So, explicitly set the
IP address type for ethtool n-tuple filters to reuse the same code.
Fixes: c8729cac2a11 ("cxgb4: add ethtool n-tuple filter insertion")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The flag indicating the selftest to run is a bitmask. So, fix the
check. Also, the selftests will fail if adapter initialization has
not been completed yet. So, add appropriate check and bail sooner.
Fixes: 7235ffae3d2c ("cxgb4: add loopback ethtool self-test")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shannon Nelson says:
====================
ionic txrx updates
These are a few patches to do some cleanup in the packet
handling and give us more flexibility in tuning performance
by allowing us to put Tx handling on separate interrupts
when it makes sense for particular traffic loads.
v3: simplified queue count change logging, removed unnecessary
check for no count change
v2: dropped the original patch 2 for ringsize change
changed the separated tx/rx interrupts to use ethtool -L
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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