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The function never modifies the input buffer, so 'data' argument
can be marked as const.
This implies one harmless cast-away.
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
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BPF Flow dissection programs are read-only and don't touch input
buffers.
Mark 'data' and 'data_end' in struct bpf_flow_dissector as const
in preparation for global input constifying.
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
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 irq fixes from Thomas Gleixner:
"A set of irqchip updates:
- Make the GENERIC_IRQ_MULTI_HANDLER configuration correct
- Add a missing DT compatible string for the Ingenic driver
- Remove the pointless debugfs_file pointer from struct irqdomain"
* tag 'irq-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/ingenic: Add support for the JZ4760
dt-bindings/irq: Add compatible string for the JZ4760B
irqchip: Do not blindly select CONFIG_GENERIC_IRQ_MULTI_HANDLER
ARM: ep93xx: Select GENERIC_IRQ_MULTI_HANDLER directly
irqdomain: Remove debugfs_file from struct irq_domain
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A couple of locking fixes:
- A fix for the static_call mechanism so it handles unaligned
addresses correctly.
- Make u64_stats_init() a macro so every instance gets a seperate
lockdep key.
- Make seqcount_latch_init() a macro as well to preserve the static
variable which is used for the lockdep key"
* tag 'locking-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
seqlock,lockdep: Fix seqcount_latch_init()
u64_stats,lockdep: Fix u64_stats_init() vs lockdep
static_call: Fix the module key fixup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Make sure PMU internal buffers are flushed for per-CPU events too and
properly handle PID/TID for large PEBS.
- Handle the case properly when there's no PMU and therefore return an
empty list of perf MSRs for VMX to switch instead of reading random
garbage from the stack.
* tag 'perf_urgent_for_v5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/perf: Use RET0 as default for guest_get_msrs to handle "no PMU" case
perf/x86/intel: Set PERF_ATTACH_SCHED_CB for large PEBS and LBR
perf/core: Flush PMU internal buffers for per-CPU events
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Pull KVM fixes from Paolo Bonzini:
"More fixes for ARM and x86"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: LAPIC: Advancing the timer expiration on guest initiated write
KVM: x86/mmu: Skip !MMU-present SPTEs when removing SP in exclusive mode
KVM: kvmclock: Fix vCPUs > 64 can't be online/hotpluged
kvm: x86: annotate RCU pointers
KVM: arm64: Fix exclusive limit for IPA size
KVM: arm64: Reject VM creation when the default IPA size is unsupported
KVM: arm64: Ensure I-cache isolation between vcpus of a same VM
KVM: arm64: Don't use cbz/adr with external symbols
KVM: arm64: Fix range alignment when walking page tables
KVM: arm64: Workaround firmware wrongly advertising GICv2-on-v3 compatibility
KVM: arm64: Rename __vgic_v3_get_ich_vtr_el2() to __vgic_v3_get_gic_config()
KVM: arm64: Don't access PMSELR_EL0/PMUSERENR_EL0 when no PMU is available
KVM: arm64: Turn kvm_arm_support_pmu_v3() into a static key
KVM: arm64: Fix nVHE hyp panic host context restore
KVM: arm64: Avoid corrupting vCPU context register in guest exit
KVM: arm64: nvhe: Save the SPE context early
kvm: x86: use NULL instead of using plain integer as pointer
KVM: SVM: Connect 'npt' module param to KVM's internal 'npt_enabled'
KVM: x86: Ensure deadline timer has truly expired before posting its IRQ
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Merge misc fixes from Andrew Morton:
"28 patches.
Subsystems affected by this series: mm (memblock, pagealloc, hugetlb,
highmem, kfence, oom-kill, madvise, kasan, userfaultfd, memcg, and
zram), core-kernel, kconfig, fork, binfmt, MAINTAINERS, kbuild, and
ia64"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (28 commits)
zram: fix broken page writeback
zram: fix return value on writeback_store
mm/memcg: set memcg when splitting page
mm/memcg: rename mem_cgroup_split_huge_fixup to split_page_memcg and add nr_pages argument
ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
mm/userfaultfd: fix memory corruption due to writeprotect
kasan: fix KASAN_STACK dependency for HW_TAGS
kasan, mm: fix crash with HW_TAGS and DEBUG_PAGEALLOC
mm/madvise: replace ptrace attach requirement for process_madvise
include/linux/sched/mm.h: use rcu_dereference in in_vfork()
kfence: fix reports if constant function prefixes exist
kfence, slab: fix cache_alloc_debugcheck_after() for bulk allocations
kfence: fix printk format for ptrdiff_t
linux/compiler-clang.h: define HAVE_BUILTIN_BSWAP*
MAINTAINERS: exclude uapi directories in API/ABI section
binfmt_misc: fix possible deadlock in bm_register_write
mm/highmem.c: fix zero_user_segments() with start > end
hugetlb: do early cow when page pinned on src mm
mm: use is_cow_mapping() across tree where proper
...
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virtio_config_enable(), virtio_config_disable() are only used inside
drivers/virtio/virtio.c, so it doesn't need export the symbols.
Signed-off-by: Xianting Tian <xianting_tian@126.com>
Link: https://lore.kernel.org/r/1613838498-8791-1-git-send-email-xianting_tian@126.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
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Allow a policer action to enforce a rate-limit based on packets-per-second,
configurable using a packet-per-second rate and burst parameters.
e.g.
tc filter add dev tap1 parent ffff: u32 match \
u32 0 0 police pkts_rate 3000 pkts_burst 1000
Testing was unable to uncover a performance impact of this change on
existing features.
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Louis Peens <louis.peens@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow flow_offload API to configure packet-per-second policing using rate
and burst parameters.
Dummy implementations of tcf_police_rate_pkt_ps() and
tcf_police_burst_pkt() are supplied which return 0, the unconfigured state.
This is to facilitate splitting the offload, driver, and TC code portion of
this feature into separate patches with the aim of providing a logical flow
for review. And the implementation of these helpers will be filled out by a
follow-up patch.
Signed-off-by: Xingfeng Hu <xingfeng.hu@corigine.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Louis Peens <louis.peens@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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 some small misc/char driver fixes to resolve some reported
problems:
- habanalabs driver fixes
- Acrn build fixes (reported many times)
- pvpanic module table export fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc/pvpanic: Export module FDT device table
misc: fastrpc: restrict user apps from sending kernel RPC messages
virt: acrn: Correct type casting of argument of copy_from_user()
virt: acrn: Use EPOLLIN instead of POLLIN
virt: acrn: Use vfs_poll() instead of f_op->poll()
virt: acrn: Make remove_cpu sysfs invisible with !CONFIG_HOTPLUG_CPU
cpu/hotplug: Fix build error of using {add,remove}_cpu() with !CONFIG_SMP
habanalabs: fix debugfs address translation
habanalabs: Disable file operations after device is removed
habanalabs: Call put_pid() when releasing control device
drivers: habanalabs: remove unused dentry pointer for debugfs files
habanalabs: mark hl_eq_inc_ptr() as static
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- avoid 'make image_name' invoking syncconfig
- fix a couple of bugs in scripts/dummy-tools
- fix LLD_VENDOR and locale issues in scripts/ld-version.sh
- rebuild GCC plugins when the compiler is upgraded
- allow LTO to be enabled with KASAN_HW_TAGS
- allow LTO to be enabled without LLVM=1
* tag 'kbuild-fixes-v5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: fix ld-version.sh to not be affected by locale
kbuild: remove meaningless parameter to $(call if_changed_rule,dtc)
kbuild: remove LLVM=1 test from HAS_LTO_CLANG
kbuild: remove unneeded -O option to dtc
kbuild: dummy-tools: adjust to scripts/cc-version.sh
kbuild: Allow LTO to be selected with KASAN_HW_TAGS
kbuild: dummy-tools: support MPROFILE_KERNEL checks for ppc
kbuild: rebuild GCC plugins when the compiler is upgraded
kbuild: Fix ld-version.sh script if LLD was built with LLD_VENDOR
kbuild: dummy-tools: fix inverted tests for gcc
kbuild: add image_name to no-sync-config-targets
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nr_pages argument
Rename mem_cgroup_split_huge_fixup to split_page_memcg and explicitly pass
in page number argument.
In this way, the interface name is more common and can be used by
potential users. In addition, the complete info(memcg and flag) of the
memcg needs to be set to the tail pages.
Link: https://lkml.kernel.org/r/20210304074053.65527-2-zhouguanghui1@huawei.com
Signed-off-by: Zhou Guanghui <zhouguanghui1@huawei.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Tianhong Ding <dingtianhong@huawei.com>
Cc: Weilong Chen <chenweilong@huawei.com>
Cc: Rui Xiang <rui.xiang@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a sparse warning by using rcu_dereference(). Technically this is a
bug and a sufficiently aggressive compiler could reload the `real_parent'
pointer outside the protection of the rcu lock (and access freed memory),
but I think it's pretty unlikely to happen.
Link: https://lkml.kernel.org/r/20210221194207.1351703-1-willy@infradead.org
Fixes: b18dc5f291c0 ("mm, oom: skip vforked tasks from being selected")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Separating compiler-clang.h from compiler-gcc.h inadventently dropped the
definitions of the three HAVE_BUILTIN_BSWAP macros, which requires falling
back to the open-coded version and hoping that the compiler detects it.
Since all versions of clang support the __builtin_bswap interfaces, add
back the flags and have the headers pick these up automatically.
This results in a 4% improvement of compilation speed for arm defconfig.
Note: it might also be worth revisiting which architectures set
CONFIG_ARCH_USE_BUILTIN_BSWAP for one compiler or the other, today this is
set on six architectures (arm32, csky, mips, powerpc, s390, x86), while
another ten architectures define custom helpers (alpha, arc, ia64, m68k,
mips, nios2, parisc, sh, sparc, xtensa), and the rest (arm64, h8300,
hexagon, microblaze, nds32, openrisc, riscv) just get the unoptimized
version and rely on the compiler to detect it.
A long time ago, the compiler builtins were architecture specific, but
nowadays, all compilers that are able to build the kernel have correct
implementations of them, though some may not be as optimized as the inline
asm versions.
The patch that dropped the optimization landed in v4.19, so as discussed
it would be fairly safe to backport this revert to stable kernels to the
4.19/5.4/5.10 stable kernels, but there is a remaining risk for
regressions, and it has no known side-effects besides compile speed.
Link: https://lkml.kernel.org/r/20210226161151.2629097-1-arnd@kernel.org
Link: https://lore.kernel.org/lkml/20210225164513.3667778-1-arnd@kernel.org/
Fixes: 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h mutually exclusive")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Guo Ren <guoren@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Arvind Sankar <nivedita@alum.mit.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We've got quite a few places (pte, pmd, pud) that explicitly checked
against whether we should break the cow right now during fork(). It's
easier to provide a helper, especially before we work the same thing on
hugetlbfs.
Since we'll reference is_cow_mapping() in mm.h, move it there too.
Actually it suites mm.h more since internal.h is mm/ only, but mm.h is
exported to the whole kernel. With that we should expect another patch to
use is_cow_mapping() whenever we can across the kernel since we do use it
quite a lot but it's always done with raw code against VM_* flags.
Link: https://lkml.kernel.org/r/20210217233547.93892-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Gal Pressman <galpress@amazon.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jann Horn <jannh@google.com>
Cc: Kirill Shutemov <kirill@shutemov.name>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Roland Scheidegger <sroland@vmware.com>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Wei Zhang <wzam@amazon.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When a new mm is created, its PASID should be cleared, i.e. the PASID is
initialized to its init state 0 on both ARM and X86.
This patch was part of the series introducing mm->pasid, but got lost
along the way [1]. It still makes sense to have it, because each address
space has a different PASID. And the IOMMU code in
iommu_sva_alloc_pasid() expects the pasid field of a new mm struct to be
cleared.
[1] https://lore.kernel.org/linux-iommu/YDgh53AcQHT+T3L0@otcwcpicx3.sc.intel.com/
Link: https://lkml.kernel.org/r/20210302103837.2562625-1-jean-philippe@linaro.org
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With clang-13, some functions only get partially inlined, with a
specialized version referring to a global variable. This triggers a
harmless build-time check for the intel-rng driver:
WARNING: modpost: drivers/char/hw_random/intel-rng.o(.text+0xe): Section mismatch in reference from the function stop_machine() to the function .init.text:intel_rng_hw_init()
The function stop_machine() references
the function __init intel_rng_hw_init().
This is often because stop_machine lacks a __init
annotation or the annotation of intel_rng_hw_init is wrong.
In this instance, an easy workaround is to force the stop_machine()
function to be inline, along with related interfaces that did not show the
same behavior at the moment, but theoretically could.
The combination of the two patches listed below triggers the behavior in
clang-13, but individually these commits are correct.
Link: https://lkml.kernel.org/r/20210225130153.1956990-1-arnd@kernel.org
Fixes: fe5595c07400 ("stop_machine: Provide stop_machine_cpuslocked()")
Fixes: ee527cd3a20c ("Use stop_machine_run in the Intel RNG driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The inlining logic in clang-13 is rewritten to often not inline some
functions that were inlined by all earlier compilers.
In case of the memblock interfaces, this exposed a harmless bug of a
missing __init annotation:
WARNING: modpost: vmlinux.o(.text+0x507c0a): Section mismatch in reference from the function memblock_bottom_up() to the variable .meminit.data:memblock
The function memblock_bottom_up() references
the variable __meminitdata memblock.
This is often because memblock_bottom_up lacks a __meminitdata
annotation or the annotation of memblock is wrong.
Interestingly, these annotations were present originally, but got removed
with the explanation that the __init annotation prevents the function from
getting inlined. I checked this again and found that while this is the
case with clang, gcc (version 7 through 10, did not test others) does
inline the functions regardless.
As the previous change was apparently intended to help the clang builds,
reverting it to help the newer clang versions seems appropriate as well.
gcc builds don't seem to care either way.
Link: https://lkml.kernel.org/r/20210225133808.2188581-1-arnd@kernel.org
Fixes: 5bdba520c1b3 ("mm: memblock: drop __init from memblock functions to make it inline")
Reference: 2cfb3665e864 ("include/linux/memblock.h: add __init to memblock_set_bottom_up()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Faiyaz Mohammed <faiyazm@codeaurora.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Aslan Bakirov <aslan@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch defined a new struct mptcp_rm_list, the ids field was an
array of the removing address ids, the nr field was the valid number of
removing address ids in the array. The array size was definced as a new
macro MPTCP_RM_IDS_MAX. Changed the member rm_id of struct
mptcp_out_options to rm_list.
In mptcp_established_options_rm_addr, invoked mptcp_pm_rm_addr_signal to
get the rm_list. According the number of addresses in it, calculated
the padded RM_ADDR suboption length. And saved the ids array in struct
mptcp_out_options's rm_list member.
In mptcp_write_options, iterated each address id from struct
mptcp_out_options's rm_list member, set the invalid ones as TCPOPT_NOP,
then filled them into the RM_ADDR suboption.
Changed TCPOLEN_MPTCP_RM_ADDR_BASE from 4 to 3.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes the following W=1 kernel build warning(s):
drivers/ptp/ptp_pch.c:193:6: warning: no previous prototype for ‘pch_ch_control_write’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:201:5: warning: no previous prototype for ‘pch_ch_event_read’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:212:6: warning: no previous prototype for ‘pch_ch_event_write’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:220:5: warning: no previous prototype for ‘pch_src_uuid_lo_read’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:231:5: warning: no previous prototype for ‘pch_src_uuid_hi_read’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:242:5: warning: no previous prototype for ‘pch_rx_snap_read’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:259:5: warning: no previous prototype for ‘pch_tx_snap_read’ [-Wmissing-prototypes]
drivers/ptp/ptp_pch.c:300:5: warning: no previous prototype for ‘pch_set_station_address’ [-Wmissing-prototypes]
Cc: Richard Cochran <richardcochran@gmail.com> (maintainer:PTP HARDWARE CLOCK SUPPORT)
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Flavio Suligoi <f.suligoi@asem.it>
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support matching on ICMPv4/6 type and code parameters using misc3
section of match parameters.
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The drivers were removed in a1f714b44e34 (tty: Remove redundant synclink
driver) and 3d608a591b2b (tty: Remove redundant synclinkmp driver).
Remove the PCI device ID entries as well.
Link: https://lore.kernel.org/r/20210302062214.29627-3-jslaby@suse.cz
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
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Pull block fixes from Jens Axboe:
"Mostly just random fixes all over the map.
The only odd-one-out change is finally getting the rename of
BIO_MAX_PAGES to BIO_MAX_VECS done. This should've been done with the
multipage bvec change, but it's been left.
Do it now to avoid hassles around changes piling up for the next merge
window.
Summary:
- NVMe pull request:
- one more quirk (Dmitry Monakhov)
- fix max_zone_append_sectors initialization (Chaitanya Kulkarni)
- nvme-fc reset/create race fix (James Smart)
- fix status code on aborts/resets (Hannes Reinecke)
- fix the CSS check for ZNS namespaces (Chaitanya Kulkarni)
- fix a use after free in a debug printk in nvme-rdma (Lv Yunlong)
- Follow-up NVMe error fix for NULL 'id' (Christoph)
- Fixup for the bd_size_lock being IRQ safe, now that the offending
driver has been dropped (Damien).
- rsxx probe failure error return (Jia-Ju)
- umem probe failure error return (Wei)
- s390/dasd unbind fixes (Stefan)
- blk-cgroup stats summing fix (Xunlei)
- zone reset handling fix (Damien)
- Rename BIO_MAX_PAGES to BIO_MAX_VECS (Christoph)
- Suppress uevent trigger for hidden devices (Daniel)
- Fix handling of discard on busy device (Jan)
- Fix stale cache issue with zone reset (Shin'ichiro)"
* tag 'block-5.12-2021-03-12-v2' of git://git.kernel.dk/linux-block:
nvme: fix the nsid value to print in nvme_validate_or_alloc_ns
block: Discard page cache of zone reset target range
block: Suppress uevent for hidden device when removed
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
nvme-pci: add the DISABLE_WRITE_ZEROES quirk for a Samsung PM1725a
nvme-rdma: Fix a use after free in nvmet_rdma_write_data_done
nvme-core: check ctrl css before setting up zns
nvme-fc: fix racing controller reset and create association
nvme-fc: return NVME_SC_HOST_ABORTED_CMD when a command has been aborted
nvme-fc: set NVME_REQ_CANCELLED in nvme_fc_terminate_exchange()
nvme: add NVME_REQ_CANCELLED flag in nvme_cancel_request()
nvme: simplify error logic in nvme_validate_ns()
nvme: set max_zone_append_sectors nvme_revalidate_zones
block: rsxx: fix error return code of rsxx_pci_probe()
block: Fix REQ_OP_ZONE_RESET_ALL handling
umem: fix error return code in mm_pci_probe()
blk-cgroup: Fix the recursive blkg rwstat
s390/dasd: fix hanging IO request during DASD driver unbind
s390/dasd: fix hanging DASD driver unbind
block: Try to handle busy underlying device on discard
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There is a regular need in the kernel to provide a way to declare having
a dynamically sized set of trailing elements in a structure. Kernel code
should always use “flexible array members”[1] for these cases. The older
style of one-element or zero-length arrays should no longer be used[2].
Refactor the code according to the use of a flexible-array member in
struct f2fs_checkpoint, instead of a one-element arrays.
Notice that a temporary pointer to void '*tmp_ptr' was used in order to
fix the following errors when using a flexible array instead of a one
element array in struct f2fs_checkpoint:
CC [M] fs/f2fs/dir.o
In file included from fs/f2fs/dir.c:13:
fs/f2fs/f2fs.h: In function ‘__bitmap_ptr’:
fs/f2fs/f2fs.h:2227:40: error: invalid use of flexible array member
2227 | return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
| ^
fs/f2fs/f2fs.h:2227:49: error: invalid use of flexible array member
2227 | return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
| ^
fs/f2fs/f2fs.h:2238:40: error: invalid use of flexible array member
2238 | return &ckpt->sit_nat_version_bitmap + offset;
| ^
make[2]: *** [scripts/Makefile.build:287: fs/f2fs/dir.o] Error 1
make[1]: *** [scripts/Makefile.build:530: fs/f2fs] Error 2
make: *** [Makefile:1819: fs] Error 2
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Link: https://github.com/KSPP/linux/issues/79
Build-tested-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/603647e4.DeEFbl4eqljuwAUe%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Pull io_uring fixes from Jens Axboe:
"Not quite as small this week as I had hoped, but at least this should
be the end of it. All the little known issues have been ironed out -
most of it little stuff, but cancelations being the bigger part. Only
minor tweaks and/or regular fixes expected beyond this point.
- Fix the creds tracking for async (io-wq and SQPOLL)
- Various SQPOLL fixes related to parking, sharing, forking, IOPOLL,
completions, and life times. Much simpler now.
- Make IO threads unfreezable by default, on account of a bug report
that had them spinning on resume. Honestly not quite sure why
thawing leaves us with a perpetual signal pending (causing the
spin), but for now make them unfreezable like there were in 5.11
and prior.
- Move personality_idr to xarray, solving a use-after-free related to
removing an entry from the iterator callback. Buffer idr needs the
same treatment.
- Re-org around and task vs context tracking, enabling the fixing of
cancelations, and then cancelation fixes on top.
- Various little bits of cleanups and hardening, and removal of now
dead parts"
* tag 'io_uring-5.12-2021-03-12' of git://git.kernel.dk/linux-block: (34 commits)
io_uring: fix OP_ASYNC_CANCEL across tasks
io_uring: cancel sqpoll via task_work
io_uring: prevent racy sqd->thread checks
io_uring: remove useless ->startup completion
io_uring: cancel deferred requests in try_cancel
io_uring: perform IOPOLL reaping if canceler is thread itself
io_uring: force creation of separate context for ATTACH_WQ and non-threads
io_uring: remove indirect ctx into sqo injection
io_uring: fix invalid ctx->sq_thread_idle
kernel: make IO threads unfreezable by default
io_uring: always wait for sqd exited when stopping SQPOLL thread
io_uring: remove unneeded variable 'ret'
io_uring: move all io_kiocb init early in io_init_req()
io-wq: fix ref leak for req in case of exit cancelations
io_uring: fix complete_post races for linked req
io_uring: add io_disarm_next() helper
io_uring: fix io_sq_offload_create error handling
io-wq: remove unused 'user' member of io_wq
io_uring: Convert personality_idr to XArray
io_uring: clean R_DISABLED startup mess
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework fixes from Rafael Wysocki:
"Prevent software nodes from being registered before their parents and
fix a recent mistake causing already registered software nodes to be
registered again in some cases (Heikki Krogerus)"
* tag 'devprop-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
software node: Fix device_add_software_node()
software node: Fix node registration
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Currently we are allocating high-order page for EQs. In case of
fragmented system, VF hot remove/add in VMs for example, there isn't
enough contiguous memory for EQs allocation, which results in crashing
of the VM.
Therefore, use order-0 fragments for the EQ allocations instead.
Performance tests:
ConnectX-5 100Gbps, CPU: Intel(R) Xeon(R) CPU E5-2697 v3 @ 2.60GHz
Performance tests show no sensible degradation.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently we operate in a mode where each eswitch manager has a separate
FDB. In order to combine these multiple FDBs we expose new caps to allow
this:
- Set root flow table which isn't native.
- Set FDB a different selection mode when in LAG mode.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Now that each representor stores a pointer to the managing E-Switch
use that information when creating the send-to-vport rules.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Store the managing E-Switch of each representor. This will be used
when a representor is created on eswitch manager 0 but the vport
belongs to eswitch manager 1.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
|
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The code related to health->recover_work was removed in
commit 63cbc552eebf ("net/mlx5: Handle SW reset of FW in error flow")
Fix struct mlx5_core_health accordingly.
Signed-off-by: Mikhael Goikhman <migo@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
|
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The "backlog" argument in listen() specifies
the maximom length of pending connections,
so the accept queue should be considered full
if there are exactly "backlog" elements.
Signed-off-by: liuyacan <yacanliu@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A small collection fo driver specific fixes that have arrived since
the merge window"
* tag 'regulator-fix-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: mt6315: Fix off-by-one for .n_voltages
regulator: rt4831: Fix return value check in rt4831_regulator_probe()
regulator: pca9450: Clear PRESET_EN bit to fix BUCK1/2/3 voltage setting
regulator: qcom-rpmh: Use correct buck for S1C regulator
regulator: qcom-rpmh: Correct the pmic5_hfsmps515 buck
regulator: pca9450: Fix return value when failing to get sd-vsel GPIO
regulator: mt6315: Return REGULATOR_MODE_INVALID for invalid mode
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"We've got a smattering of changes all over the place which we've
acrued since -rc1. To my knowledge, there aren't any pending issues at
the moment, but there's still plenty of time for something else to
crop up...
Summary:
- Fix booting a 52-bit-VA-aware kernel on Qualcomm Amberwing
- Fix pfn_valid() not to reject all ZONE_DEVICE memory
- Fix memory tagging setup for hotplugged memory regions
- Fix KASAN tagging in page_alloc() when DEBUG_VIRTUAL is enabled
- Fix accidental truncation of CPU PMU event counters
- Fix error code initialisation when failing probe of DMC620 PMU
- Fix return value initialisation for sve-ptrace selftest
- Drop broken support for CMDLINE_EXTEND"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
perf/arm_dmc620_pmu: Fix error return code in dmc620_pmu_device_probe()
arm64: mm: remove unused __cpu_uses_extended_idmap[_level()]
arm64: mm: use a 48-bit ID map when possible on 52-bit VA builds
arm64: perf: Fix 64-bit event counter read truncation
arm64/mm: Fix __enable_mmu() for new TGRAN range values
kselftest: arm64: Fix exit code of sve-ptrace
arm64: mte: Map hotplugged memory as Normal Tagged
arm64: kasan: fix page_alloc tagging with DEBUG_VIRTUAL
arm64/mm: Reorganize pfn_valid()
arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory
arm64/mm: Drop THP conditionality from FORCE_MAX_ZONEORDER
arm64/mm: Drop redundant ARCH_WANT_HUGE_PMD_SHARE
arm64: Drop support for CMDLINE_EXTEND
arm64: cpufeatures: Fix handling of CONFIG_CMDLINE for idreg overrides
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two fix series and a single cleanup:
- a small cleanup patch to remove unneeded symbol exports
- a series to cleanup Xen grant handling (avoiding allocations in
some cases, and using common defines for "invalid" values)
- a series to address a race issue in Xen event channel handling"
* tag 'for-linus-5.12b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
Xen/gntdev: don't needlessly use kvcalloc()
Xen/gnttab: introduce common INVALID_GRANT_{HANDLE,REF}
Xen/gntdev: don't needlessly allocate k{,un}map_ops[]
Xen: drop exports of {set,clear}_foreign_p2m_mapping()
xen/events: avoid handling the same event on two cpus at the same time
xen/events: don't unmask an event channel when an eoi is pending
xen/events: reset affinity of 2-level event when tearing it down
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The 'delay' field in the spi_transfer struct is meant to replace the
'delay_usecs' field. However some cleanup was required to remove the
uses of 'delay_usecs'. Now that it's been cleaned up, we can remove it
from the kernel tree.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210308145502.1075689-10-aardelean@deviqon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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soc-pcm has very similar but different DPCM BE DAI stop operation at
1) dpcm_be_dai_startup() error case rollback
2) dpcm_be_dai_startup_unwind()
3) dpcm_be_dai_shutdown()
The differences are
1) for rollback
2) Doesn't check by snd_soc_dpcm_be_can_update() (Is this bug ?)
3) Do soc_pcm_hw_free() if it was not !OPENed and !HW_FREEed,
and call soc_pcm_close().
We can share same code by
1) hw_free is not needed. Needs last dpcm as rollback.
2) hw_free is not needed.
3) hw_free is needed.
This patch adds new dpcm_be_dai_stop() and share these 3.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87a6rduoam.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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There's no need to give the page an address_space. Leaving the
page->mapping as NULL will cause the VM to handle set_page_dirty()
the same way that it's handled now, and that was the only reason to
set the address_space in the first place.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210310185530.1053320-1-willy@infradead.org
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1. Add curve 25519 parameters in 'crypto/ecc_curve_defs.h';
2. Add curve25519 interface 'ecc_get_curve25519_param' in
'include/crypto/ecc_curve.h', to make its parameters be
exposed to everyone in kernel tree.
Signed-off-by: Meng Yu <yumeng18@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
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Move 'ecc_get_curve' to 'include/crypto/ecc_curve.h', so everyone
in kernel tree can easily get ecc curve params;
Signed-off-by: Meng Yu <yumeng18@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1. crypto and crypto/atmel-ecc:
Move curve id of ECDH from the key into the algorithm name instead
in crypto and atmel-ecc, so ECDH algorithm name change form 'ecdh'
to 'ecdh-nist-pxxx', and we cannot use 'curve_id' in 'struct ecdh';
2. crypto/testmgr and net/bluetooth:
Modify 'testmgr.c', 'testmgr.h' and 'net/bluetooth' to adapt
the modification.
Signed-off-by: Meng Yu <yumeng18@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Given that crypto_alloc_tfm() may return ERR pointers, and to avoid
crashes on obscure error paths where such pointers are presented to
crypto_destroy_tfm() (such as [0]), add an ERR_PTR check there
before dereferencing the second argument as a struct crypto_tfm
pointer.
[0] https://lore.kernel.org/linux-crypto/000000000000de949705bc59e0f6@google.com/
Reported-by: syzbot+12cf5fbfdeba210a89dd@syzkaller.appspotmail.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Jakub and Neil reported an increase of RTO timers whenever
TX completions are delayed a bit more (by increasing
NIC TX coalescing parameters)
Main issue is that TCP stack has a logic preventing a packet
being retransmit if the prior clone has not yet been
orphaned or freed.
This logic came with commit 1f3279ae0c13 ("tcp: avoid
retransmits of TCP packets hanging in host queues")
Thankfully, in the case skb_still_in_host_queue() detects
the initial clone is still in flight, it can use TSQ logic
that will eventually retry later, at the moment the clone
is freed or orphaned.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Neil Spring <ntspring@fb.com>
Reported-by: Jakub Kicinski <kuba@kernel.org>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add compatible and constants for the power domains exposed by the RPMH
in the Qualcomm Technologies Inc sc7280 platform.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Link: https://lore.kernel.org/r/1614664092-9394-1-git-send-email-rnayak@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
|
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Add RPM power domain bindings for the SM8350 SoC
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210210104257.339462-1-vkoul@kernel.org
[bjorn: Added dt-bindings include file changes from the driver patch]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
|
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Pull drm fixes from Dave Airlie:
"Regular fixes for rc3. The i915 pull was based on the rc1 tag so I
just cherry-picked the single fix from there to avoid it. The misc and
amd trees seem to be on okay bases.
It's a bunch of fixes across the tree, amdgpu has most of them a few
ttm fixes around qxl, and nouveau.
core:
- Clear holes when converting compat ioctl's between 32-bits and
64-bits.
docs:
- Use gitlab for drm bugzilla now.
ttm:
- Fix ttm page pool accounting.
fbdev:
- Fix oops in drm_fbdev_cleanup()
shmem:
- Assorted fixes for shmem helpers.
qxl:
- unpin qxl bos created as pinned when freeing them, and make ttm
only warn once on this behavior.
- Zero head.surface_id correctly in qxl.
atyfb:
- Use LCD management for atyfb on PPC_MAC.
meson:
- Shutdown kms poll helper in meson correctly.
nouveau:
- fix regression in bo syncing
i915:
- Wedge the GPU if command parser setup fails
amdgpu:
- Fix aux backlight control
- Add a backlight override parameter
- Various display fixes
- PCIe DPM fix for vega
- Polaris watermark fixes
- Additional S0ix fix
radeon:
- Fix GEM regression
- Fix AGP dependency handling"
* tag 'drm-fixes-2021-03-12-1' of git://anongit.freedesktop.org/drm/drm: (33 commits)
drm/nouveau: fix dma syncing for loops (v2)
drm/i915: Wedge the GPU if command parser setup fails
drm/compat: Clear bounce structures
drm/shmem-helpers: vunmap: Don't put pages for dma-buf
drm: meson_drv add shutdown function
drm/shmem-helper: Don't remove the offset in vm_area_struct pgoff
drm/shmem-helper: Check for purged buffers in fault handler
qxl: Fix uninitialised struct field head.surface_id
drm/ttm: Fix TTM page pool accounting
drm/ttm: soften TTM warnings
drm: Use USB controller's DMA mask when importing dmabufs
MAINTAINERS: update drm bug reporting URL
fbdev: atyfb: use LCD management functions for PPC_PMAC also
fbdev: atyfb: always declare aty_{ld,st}_lcd()
drm/qxl: fix lockdep issue in qxl_alloc_release_reserved
drm/qxl: unpin release objects
drm/fb-helper: only unmap if buffer not null
drm/amdgpu: fix S0ix handling when the CONFIG_AMD_PMC=m
drm/radeon: fix AGP dependency
drm/radeon: also init GEM funcs in radeon_gem_prime_import_sg_table
...
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The umem DMA list calculation was locked at 4k pages due to confusion
around how this API works and is used when larger pages are present.
The conclusion is:
- umem's cannot extend past what is mapped into the process, so creating
a lage page size and referring to a sub-range is not allowed
- umem's must always have a page offset of zero, except for sub PAGE_SIZE
umems
- The feature of umem_offset to create multiple objects inside a umem
is buggy and isn't used anyplace. Thus we can assume all users of the
current API have umem_offset == 0 as well
Provide a new page size calculator that limits the DMA list to the VA
range and enforces umem_offset == 0.
Allow user space to specify the page sizes which it can accept, this
bitmap must be derived from the intended use of the umem, based on
per-usage HW limitations.
Link: https://lore.kernel.org/r/20210304130501.1102577-4-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Change uverbs_get_const/uverbs_get_const_default to work properly with
both signed/unsigned parameters.
Current APIs mix s64 and u64 which leads to incorrect check when u64
value was supplied and its upper bit was set. In that case
uverbs_get_const() / uverbs_get_const_default() lower bound check may
fail unexpectedly, target is unsigned (lower bound is 0) but value
became negative as of the s64 usage.
Split to have two different APIs, no change to callers as the required
API will be called internally according to the target type.
Link: https://lore.kernel.org/r/20210304130501.1102577-3-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The kernel periodically checks the idle time of nexthop buckets to
determine if they are idle and can be re-populated with a new nexthop.
When the resilient nexthop group is offloaded to hardware, the kernel
will not see activity on nexthop buckets unless it is reported from
hardware.
Add a function that can be periodically called by device drivers to
report activity on nexthop buckets after querying it from the underlying
device.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
