Alexandre Ghiti <alexghiti@rivosinc.com> says:
This contains 2 fixes for NAPOT: patch 1 disables the use of NAPOT
mapping for vmalloc/vmap and patch 2 implements pte_leaf_size() to
report NAPOT size.
* b4-shazam-merge:
riscv: Fix pte_leaf_size() for NAPOT
Revert "riscv: mm: support Svnapot in huge vmap"
Link: https://lore.kernel.org/r/20240227205016.121901-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This reverts commit ce173474cf.
We cannot correctly deal with NAPOT mappings in vmalloc/vmap because if
some part of a NAPOT mapping is unmapped, the remaining mapping is not
updated accordingly. For example:
ptr = vmalloc_huge(64 * 1024, GFP_KERNEL);
vunmap_range((unsigned long)(ptr + PAGE_SIZE),
(unsigned long)(ptr + 64 * 1024));
leads to the following kernel page table dump:
0xffff8f8000ef0000-0xffff8f8000ef1000 0x00000001033c0000 4K PTE N .. .. D A G . . W R V
Meaning the first entry which was not unmapped still has the N bit set,
which, if accessed first and cached in the TLB, could allow access to the
unmapped range.
That's because the logic to break the NAPOT mapping does not exist and
likely won't. Indeed, to break a NAPOT mapping, we first have to clear
the whole mapping, flush the TLB and then set the new mapping ("break-
before-make" equivalent). That works fine in userspace since we can handle
any pagefault occurring on the remaining mapping but we can't handle a kernel
pagefault on such mapping.
So fix this by reverting the commit that introduced the vmap/vmalloc
support.
Fixes: ce173474cf ("riscv: mm: support Svnapot in huge vmap")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240227205016.121901-2-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Samuel Holland <samuel.holland@sifive.com> says:
This series fixes a couple of issues related to using the cbo.zero
instruction in userspace. The first patch fixes a bug where the wrong
enable bit gets set if the kernel is running in M-mode. The remaining
patches fix a bug where the enable bit gets reset to its default value
after a nonretentive idle state. I have hardware which reproduces this:
Before this series:
$ tools/testing/selftests/riscv/hwprobe/cbo
TAP version 13
1..3
ok 1 Zicboz block size
# Zicboz block size: 64
Illegal instruction
After applying this series:
$ tools/testing/selftests/riscv/hwprobe/cbo
TAP version 13
1..3
ok 1 Zicboz block size
# Zicboz block size: 64
ok 2 cbo.zero
ok 3 cbo.zero check
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
* b4-shazam-merge:
riscv: Save/restore envcfg CSR during CPU suspend
riscv: Add a custom ISA extension for the [ms]envcfg CSR
riscv: Fix enabling cbo.zero when running in M-mode
Link: https://lore.kernel.org/r/20240228065559.3434837-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The value of the [ms]envcfg CSR is lost when entering a nonretentive
idle state, so the CSR must be rewritten when resuming the CPU.
Cc: <stable@vger.kernel.org> # v6.7+
Fixes: 43c16d51a1 ("RISC-V: Enable cbo.zero in usermode")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240228065559.3434837-4-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The [ms]envcfg CSR was added in version 1.12 of the RISC-V privileged
ISA (aka S[ms]1p12). However, bits in this CSR are defined by several
other extensions which may be implemented separately from any particular
version of the privileged ISA (for example, some unrelated errata may
prevent an implementation from claiming conformance with Ss1p12). As a
result, Linux cannot simply use the privileged ISA version to determine
if the CSR is present. It must also check if any of these other
extensions are implemented. It also cannot probe the existence of the
CSR at runtime, because Linux does not require Sstrict, so (in the
absence of additional information) it cannot know if a CSR at that
address is [ms]envcfg or part of some non-conforming vendor extension.
Since there are several standard extensions that imply the existence of
the [ms]envcfg CSR, it becomes unwieldy to check for all of them
wherever the CSR is accessed. Instead, define a custom Xlinuxenvcfg ISA
extension bit that is implied by the other extensions and denotes that
the CSR exists as defined in the privileged ISA, containing at least one
of the fields common between menvcfg and senvcfg.
This extension does not need to be parsed from the devicetree or ISA
string because it can only be implemented as a subset of some other
standard extension.
Cc: <stable@vger.kernel.org> # v6.7+
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240228065559.3434837-3-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
When the kernel is running in M-mode, the CBZE bit must be set in the
menvcfg CSR, not in senvcfg.
Cc: <stable@vger.kernel.org>
Fixes: 43c16d51a1 ("RISC-V: Enable cbo.zero in usermode")
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240228065559.3434837-2-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Add myself as a maintainer for the various SiFive drivers, since I have
been performing cleanup activity on these drivers and reviewing patches
to them for a while now. Remove Palmer as a maintainer, as he is focused
on overall RISC-V architecture support.
Collapse some duplicate entries into the main SiFive drivers entry:
- Conor is already maintainer of standalone cache drivers as a whole,
and these files are also covered by the "sifive" file name regex.
- Paul's git tree has not been updated since 2018, and all file names
matching the "fu540" pattern also match the "sifive" pattern.
- Green has not been active on the LKML for a couple of years.
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Acked-by: Paul Walmsley <paul.walmsley@sifive.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20240215234941.1663791-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Commit b38460bc46 ("kunit: Fix checksum tests on big endian CPUs")
fixed endianness issues with kunit checksum tests, but then
commit 6f4c45cbcb ("kunit: Add tests for csum_ipv6_magic and
ip_fast_csum") introduced new issues on big endian CPUs. Those issues
are once again reflected by the warnings reported by sparse.
So, fix them with the same approach, perform proper conversion in
order to support both little and big endian CPUs. Once the conversions
are properly done and the right types used, the sparse warnings are
cleared as well.
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Fixes: 6f4c45cbcb ("kunit: Add tests for csum_ipv6_magic and ip_fast_csum")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/73df3a9e95c2179119398ad1b4c84cdacbd8dfb6.1708684443.git.christophe.leroy@csgroup.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- mgmt: Fix limited discoverable off timeout
- hci_qca: Set BDA quirk bit if fwnode exists in DT
- hci_bcm4377: do not mark valid bd_addr as invalid
- hci_sync: Check the correct flag before starting a scan
- Enforce validation on max value of connection interval
- hci_sync: Fix accept_list when attempting to suspend
- hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST
- Avoid potential use-after-free in hci_error_reset
- rfcomm: Fix null-ptr-deref in rfcomm_check_security
- hci_event: Fix wrongly recorded wakeup BD_ADDR
- qca: Fix wrong event type for patch config command
- qca: Fix triggering coredump implementation
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Merge tag 'for-net-2024-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- mgmt: Fix limited discoverable off timeout
- hci_qca: Set BDA quirk bit if fwnode exists in DT
- hci_bcm4377: do not mark valid bd_addr as invalid
- hci_sync: Check the correct flag before starting a scan
- Enforce validation on max value of connection interval
- hci_sync: Fix accept_list when attempting to suspend
- hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST
- Avoid potential use-after-free in hci_error_reset
- rfcomm: Fix null-ptr-deref in rfcomm_check_security
- hci_event: Fix wrongly recorded wakeup BD_ADDR
- qca: Fix wrong event type for patch config command
- qca: Fix triggering coredump implementation
* tag 'for-net-2024-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: qca: Fix triggering coredump implementation
Bluetooth: hci_qca: Set BDA quirk bit if fwnode exists in DT
Bluetooth: qca: Fix wrong event type for patch config command
Bluetooth: Enforce validation on max value of connection interval
Bluetooth: hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST
Bluetooth: mgmt: Fix limited discoverable off timeout
Bluetooth: hci_event: Fix wrongly recorded wakeup BD_ADDR
Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security
Bluetooth: hci_sync: Fix accept_list when attempting to suspend
Bluetooth: Avoid potential use-after-free in hci_error_reset
Bluetooth: hci_sync: Check the correct flag before starting a scan
Bluetooth: hci_bcm4377: do not mark valid bd_addr as invalid
====================
Link: https://lore.kernel.org/r/20240228145644.2269088-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the decrypt request goes to the backlog and crypto_aead_decrypt
returns -EBUSY, tls_do_decryption will wait until all async
decryptions have completed. If one of them fails, tls_do_decryption
will return -EBADMSG and tls_decrypt_sg jumps to the error path,
releasing all the pages. But the pages have been passed to the async
callback, and have already been released by tls_decrypt_done.
The only true async case is when crypto_aead_decrypt returns
-EINPROGRESS. With -EBUSY, we already waited so we can tell
tls_sw_recvmsg that the data is available for immediate copy, but we
need to notify tls_decrypt_sg (via the new ->async_done flag) that the
memory has already been released.
Fixes: 8590541473 ("net: tls: handle backlogging of crypto requests")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/4755dd8d9bebdefaa19ce1439b833d6199d4364c.1709132643.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we're not doing async, the handling is much simpler. There's no
reference counting, we just need to wait for the completion to wake us
up and return its result.
We should preferably also use a separate crypto_wait. I'm not seeing a
UAF as I did in the past, I think aec7961916 ("tls: fix race between
async notify and socket close") took care of it.
This will make the next fix easier.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/47bde5f649707610eaef9f0d679519966fc31061.1709132643.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we peek from 2 records with a currently empty rx_list, and the
first record is decrypted synchronously but the second record is
decrypted async, the following happens:
1. decrypt record 1 (sync)
2. copy from record 1 to the userspace's msg
3. queue the decrypted record to rx_list for future read(!PEEK)
4. decrypt record 2 (async)
5. queue record 2 to rx_list
6. call process_rx_list to copy data from the 2nd record
We currently pass copied=0 as skip offset to process_rx_list, so we
end up copying once again from the first record. We should skip over
the data we've already copied.
Seen with selftest tls.12_aes_gcm.recv_peek_large_buf_mult_recs
Fixes: 692d7b5d1f ("tls: Fix recvmsg() to be able to peek across multiple records")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/1b132d2b2b99296bfde54e8a67672d90d6d16e71.1709132643.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With mixed sync/async decryption, or failures of crypto_aead_decrypt,
we increment decrypt_pending but we never do the corresponding
decrement since tls_decrypt_done will not be called. In this case, we
should decrement decrypt_pending immediately to avoid getting stuck.
For example, the prequeue prequeue test gets stuck with mixed
modes (one async decrypt + one sync decrypt).
Fixes: 94524d8fc9 ("net/tls: Add support for async decryption of tls records")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/c56d5fc35543891d5319f834f25622360e1bfbec.1709132643.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When resetting the bus after a gap count error, use a long rather than
short bus reset.
IEEE 1394-1995 uses only long bus resets. IEEE 1394a adds the option of
short bus resets. When video or audio transmission is in progress and a
device is hot-plugged elsewhere on the bus, the resulting bus reset can
cause video frame drops or audio dropouts. Short bus resets reduce or
eliminate this problem. Accordingly, short bus resets are almost always
preferred.
However, on a mixed 1394/1394a bus, a short bus reset can trigger an
immediate additional bus reset. This double bus reset can be interpreted
differently by different nodes on the bus, resulting in an inconsistent gap
count after the bus reset. An inconsistent gap count will cause another bus
reset, leading to a neverending bus reset loop. This only happens for some
bus topologies, not for all mixed 1394/1394a buses.
By instead sending a long bus reset after a gap count inconsistency, we
avoid the doubled bus reset, restoring the bus to normal operation.
Signed-off-by: Adam Goldman <adamg@pobox.com>
Link: https://sourceforge.net/p/linux1394/mailman/message/58741624/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Add move_lacks_source detail to xe_bo_move trace to make it readable
that is to check if it is migrate clear or migrate copy.
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Fixes: a09946a9a9 ("drm/xe/xe_bo_move: Enhance xe_bo_move trace")
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240221101950.1019312-1-priyanka.dandamudi@intel.com
(cherry picked from commit 8034f6b070)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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Merge tag 'nf-24-02-29' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
Patch #1 restores NFPROTO_INET with nft_compat, from Ignat Korchagin.
Patch #2 fixes an issue with bridge netfilter and broadcast/multicast
packets.
There is a day 0 bug in br_netfilter when used with connection tracking.
Conntrack assumes that an nf_conn structure that is not yet added to
hash table ("unconfirmed"), is only visible by the current cpu that is
processing the sk_buff.
For bridge this isn't true, sk_buff can get cloned in between, and
clones can be processed in parallel on different cpu.
This patch disables NAT and conntrack helpers for multicast packets.
Patch #3 adds a selftest to cover for the br_netfilter bug.
netfilter pull request 24-02-29
* tag 'nf-24-02-29' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: add bridge conntrack + multicast test case
netfilter: bridge: confirm multicast packets before passing them up the stack
netfilter: nf_tables: allow NFPROTO_INET in nft_(match/target)_validate()
====================
Link: https://lore.kernel.org/r/20240229000135.8780-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Current HSR implementation uses following supervisory frame (even for
HSRv1 the HSR tag is not is not present):
00000000: 01 15 4e 00 01 2d XX YY ZZ 94 77 10 88 fb 00 01
00000010: 7e 1c 17 06 XX YY ZZ 94 77 10 1e 06 XX YY ZZ 94
00000020: 77 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000030: 00 00 00 00 00 00 00 00 00 00 00 00
The current code adds extra two bytes (i.e. sizeof(struct hsr_sup_tlv))
when offset for skb_pull() is calculated.
This is wrong, as both 'struct hsrv1_ethhdr_sp' and 'hsrv0_ethhdr_sp'
already have 'struct hsr_sup_tag' defined in them, so there is no need
for adding extra two bytes.
This code was working correctly as with no RedBox support, the check for
HSR_TLV_EOT (0x00) was off by two bytes, which were corresponding to
zeroed padded bytes for minimal packet size.
Fixes: eafaa88b3e ("net: hsr: Add support for redbox supervision frames")
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240228085644.3618044-1-lukma@denx.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
If user fence was provided for MAP in vm_bind_ioctl
and it has still not been signalled, deny UNMAP of said
vma with EBUSY as long as unsignalled fence exists.
This guarantees that MAP vs UNMAP sequences won't
escape under the radar if we ever want to track the
client's state wrt to completed and accessible MAPs.
By means of intercepting the ufence release signalling.
v2: find ufence with num_fences > 1 (Matt)
v3: careful on clearing vma ufence (Matt)
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1159
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215181152.450082-3-mika.kuoppala@linux.intel.com
(cherry picked from commit 158900ade9)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
By allowing getting reference to user fence, we can
control the lifetime outside of sync entries.
This is needed to allow vma to track the associated
user fence that was provided with bind ioctl.
v2: xe_user_fence can be kept opaque (Jani, Matt)
v3: indent fix (Matt)
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215181152.450082-2-mika.kuoppala@linux.intel.com
(cherry picked from commit 977e5b82e0)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Commit a0df2cc858 ("drm/xe/xe_bo_move: Enhance xe_bo_move trace")
inadvertently reverted commit 8d038f49c1 ("drm/xe: Fix cast on trace
variable"), breaking the build on 32bits.
As noted by Ville, there's no point in converting the pointers to u64
and add casts everywhere. In fact, it's better to just use %p and let
the address be hashed. Convert all the cases in xe_trace.h to use
pointers.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Cc: Oak Zeng <oak.zeng@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222144125.2862546-1-lucas.demarchi@intel.com
(cherry picked from commit 7a975748d4)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Enhanced xe_bo_move trace to be more readable.
It will help to show the migration details.
Src and dst details.
v2: Modify trace_xe_bo_move(), it takes the integer mem_type
rather than a string.
Make mem_type_to_name() extern, it will be used by trace.(Thomas)
v3: Move mem_type_to_name() to xe_bo.[ch] (Thomas, Matt)
v4: Add device details to reduce ambiquity related to vram0/vram1. (Oak)
v5: Rename mem_type_to_name to xe_mem_type_to_name. (Thomas)
v6: Optimised code to use xe_bo_device(__entry->bo). (Thomas)
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Oak Zeng <oak.zeng@intel.com>
Cc: Kempczynski Zbigniew <Zbigniew.Kempczynski@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Brian Welty <brian.welty@intel.com>
Signed-off-by: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Reviewed-by: Oak Zeng <oak.zeng@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240220044748.948496-1-priyanka.dandamudi@intel.com
(cherry picked from commit a0df2cc858)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
clang complains about a nonsensical test on builds with a 32-bit phys_addr_t,
which means resizing will always fail:
drivers/gpu/drm/xe/xe_mmio.c:109:23: error: result of comparison of constant 4294967296 with expression of type 'resource_size_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
109 | root_res->start > 0x100000000ull)
| ~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
Previously, BAR resize was always disallowed on 32-bit kernels, but
this apparently changed recently. Since 32-bit machines can in theory
support PAE/LPAE for large address spaces, this may end up useful,
so change the driver to shut up the warning but still work when
phys_addr_t/resource_size_t is 64 bit wide.
Fixes: 9a6e6c14bf ("drm/xe/mmio: Use non-atomic writeq/readq variant for 32b")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240226124736.1272949-2-arnd@kernel.org
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit f5d3983366)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Mesa has been issuing a single bind operation per ioctl since xe.ko
changed to GPUVA due xe.ko bug #746. If I change Mesa to try again to
issue every single bind operation it can in the same ioctl, it hits
the MAX_BINDS assertion when running Vulkan conformance tests.
Test dEQP-VK.sparse_resources.transfer_queue.3d.rgba32i.1024_128_8
issues 960 bind operations in a single ioctl, it's the most I could
find in the conformance suite.
I don't see a reason to keep the MAX_BINDS restriction: it doesn't
seem to be preventing any specific issue. If the number is too big for
the memory allocations, then those will fail. Nothing related to
num_binds seems to be using the stack. Let's just get rid of it.
Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Testcase: dEQP-VK.sparse_resources.transfer_queue.3d.rgba32i.1024_128_8
References: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/746
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215005353.1295420-1-paulo.r.zanoni@intel.com
(cherry picked from commit ba6bbdc6ea)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Use vmalloc in effort to allow a user pass in a large number of binds in
an IOCTL (mesa use case). Also use array allocations rather open coding
the size calculation.
v2: Use __GFP_ACCOUNT for allocations (Thomas)
Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240226155554.103384-1-matthew.brost@intel.com
(cherry picked from commit 35ed1d2bff)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
The xe_gt_tlb_invalidation layer implements TLB invalidations for a GuC
backend. Simply return if in execlists mode. A follow up may properly
implement the xe_gt_tlb_invalidation layer for both GuC and execlists.
Fixes: a9351846d9 ("drm/xe: Break of TLB invalidation into its own file")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222232021.3911545-4-matthew.brost@intel.com
(cherry picked from commit a9e483dda3)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Those cases missed in previous uAPI cleanups were mostly accidentally
brought in from i915 or created to exercise the possibilities of gpuvm
but they are not used by userspace yet, so let's remove them. They can
still be brought back later if needed.
v2:
- Fix XE_VM_FLAG_FAULT_MODE support in xe_lrc.c (Brian Welty)
- Leave DRM_XE_VM_BIND_OP_UNMAP_ALL (José Roberto de Souza)
- Ensure invalid flag values are rejected (Rodrigo Vivi)
v3: Rebase after removal of persistent exec_queues (Francois Dugast)
v4: Rodrigo: Rebase after the new dumpable flag.
Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222232356.175431-1-rodrigo.vivi@intel.com
(cherry picked from commit 84a1ed5e67)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This is a comment left over of commit d3d767396a
("drm/xe/uapi: Remove sync binds").
Fixes: d3d767396a ("drm/xe/uapi: Remove sync binds")
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231226172321.61518-1-jose.souza@intel.com
(cherry picked from commit f031c3a7af)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Add the flag XE_VM_BIND_FLAG_DUMPABLE to notify devcoredump that this
mapping should be dumped.
This is not hooked up, but the uapi should be ready before merging.
It's likely easier to dump the contents of the bo's at devcoredump
readout time, so it's better if the bos will stay unmodified after
a hang. The NEEDS_CPU_MAPPING flag is removed as requirement.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240221133024.898315-3-maarten.lankhorst@linux.intel.com
(cherry picked from commit 76a86b58d2)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
A few small fixes, some driver specific and one slightly larger one
from Richard which adds a new core helper and updates a small clutch of
drivers to deal with the fact that they were using a helper which
requires that the lock for the list of controls without holding that
lock. We also have some quirks for new AMD based Lenovo systems.
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Merge tag 'asoc-fix-v6.8-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.8
A few small fixes, some driver specific and one slightly larger one
from Richard which adds a new core helper and updates a small clutch of
drivers to deal with the fact that they were using a helper which
requires that the lock for the list of controls without holding that
lock. We also have some quirks for new AMD based Lenovo systems.
The i211 requires the same PTP timestamp adjustments as the i210,
according to its datasheet. To ensure consistent timestamping across
different platforms, this change extends the existing adjustments to
include the i211.
The adjustment result are tested and comparable for i210 and i211 based
systems.
Fixes: 3f544d2a4d ("igb: adjust PTP timestamps for Tx/Rx latency")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20240227184942.362710-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In the commit d73ef2d69c ("rtnetlink: let rtnl_bridge_setlink checks
IFLA_BRIDGE_MODE length"), an adjustment was made to the old loop logic
in the function `rtnl_bridge_setlink` to enable the loop to also check
the length of the IFLA_BRIDGE_MODE attribute. However, this adjustment
removed the `break` statement and led to an error logic of the flags
writing back at the end of this function.
if (have_flags)
memcpy(nla_data(attr), &flags, sizeof(flags));
// attr should point to IFLA_BRIDGE_FLAGS NLA !!!
Before the mentioned commit, the `attr` is granted to be IFLA_BRIDGE_FLAGS.
However, this is not necessarily true fow now as the updated loop will let
the attr point to the last NLA, even an invalid NLA which could cause
overflow writes.
This patch introduces a new variable `br_flag` to save the NLA pointer
that points to IFLA_BRIDGE_FLAGS and uses it to resolve the mentioned
error logic.
Fixes: d73ef2d69c ("rtnetlink: let rtnl_bridge_setlink checks IFLA_BRIDGE_MODE length")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20240227121128.608110-1-linma@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We never increment the group number iterator, so all groups
get recorded into index 0 of the mcast_groups[] array.
As a result YNL can only handle using the last group.
For example using the "netdev" sample on kernel with
page pool commands results in:
$ ./samples/netdev
YNL: Multicast group 'mgmt' not found
Most families have only one multicast group, so this hasn't
been noticed. Plus perhaps developers usually test the last
group which would have worked.
Fixes: 86878f14d7 ("tools: ynl: user space helpers")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240226214019.1255242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add test case for multicast packet confirm race.
Without preceding patch, this should result in:
WARNING: CPU: 0 PID: 38 at net/netfilter/nf_conntrack_core.c:1198 __nf_conntrack_confirm+0x3ed/0x5f0
Workqueue: events_unbound macvlan_process_broadcast
RIP: 0010:__nf_conntrack_confirm+0x3ed/0x5f0
? __nf_conntrack_confirm+0x3ed/0x5f0
nf_confirm+0x2ad/0x2d0
nf_hook_slow+0x36/0xd0
ip_local_deliver+0xce/0x110
__netif_receive_skb_one_core+0x4f/0x70
process_backlog+0x8c/0x130
[..]
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
conntrack nf_confirm logic cannot handle cloned skbs referencing
the same nf_conn entry, which will happen for multicast (broadcast)
frames on bridges.
Example:
macvlan0
|
br0
/ \
ethX ethY
ethX (or Y) receives a L2 multicast or broadcast packet containing
an IP packet, flow is not yet in conntrack table.
1. skb passes through bridge and fake-ip (br_netfilter)Prerouting.
-> skb->_nfct now references a unconfirmed entry
2. skb is broad/mcast packet. bridge now passes clones out on each bridge
interface.
3. skb gets passed up the stack.
4. In macvlan case, macvlan driver retains clone(s) of the mcast skb
and schedules a work queue to send them out on the lower devices.
The clone skb->_nfct is not a copy, it is the same entry as the
original skb. The macvlan rx handler then returns RX_HANDLER_PASS.
5. Normal conntrack hooks (in NF_INET_LOCAL_IN) confirm the orig skb.
The Macvlan broadcast worker and normal confirm path will race.
This race will not happen if step 2 already confirmed a clone. In that
case later steps perform skb_clone() with skb->_nfct already confirmed (in
hash table). This works fine.
But such confirmation won't happen when eb/ip/nftables rules dropped the
packets before they reached the nf_confirm step in postrouting.
Pablo points out that nf_conntrack_bridge doesn't allow use of stateful
nat, so we can safely discard the nf_conn entry and let inet call
conntrack again.
This doesn't work for bridge netfilter: skb could have a nat
transformation. Also bridge nf prevents re-invocation of inet prerouting
via 'sabotage_in' hook.
Work around this problem by explicit confirmation of the entry at LOCAL_IN
time, before upper layer has a chance to clone the unconfirmed entry.
The downside is that this disables NAT and conntrack helpers.
Alternative fix would be to add locking to all code parts that deal with
unconfirmed packets, but even if that could be done in a sane way this
opens up other problems, for example:
-m physdev --physdev-out eth0 -j SNAT --snat-to 1.2.3.4
-m physdev --physdev-out eth1 -j SNAT --snat-to 1.2.3.5
For multicast case, only one of such conflicting mappings will be
created, conntrack only handles 1:1 NAT mappings.
Users should set create a setup that explicitly marks such traffic
NOTRACK (conntrack bypass) to avoid this, but we cannot auto-bypass
them, ruleset might have accept rules for untracked traffic already,
so user-visible behaviour would change.
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217777
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit d0009effa8 ("netfilter: nf_tables: validate NFPROTO_* family") added
some validation of NFPROTO_* families in the nft_compat module, but it broke
the ability to use legacy iptables modules in dual-stack nftables.
While with legacy iptables one had to independently manage IPv4 and IPv6
tables, with nftables it is possible to have dual-stack tables sharing the
rules. Moreover, it was possible to use rules based on legacy iptables
match/target modules in dual-stack nftables.
As an example, the program from [2] creates an INET dual-stack family table
using an xt_bpf based rule, which looks like the following (the actual output
was generated with a patched nft tool as the current nft tool does not parse
dual stack tables with legacy match rules, so consider it for illustrative
purposes only):
table inet testfw {
chain input {
type filter hook prerouting priority filter; policy accept;
bytecode counter packets 0 bytes 0 accept
}
}
After d0009effa8 ("netfilter: nf_tables: validate NFPROTO_* family") we get
EOPNOTSUPP for the above program.
Fix this by allowing NFPROTO_INET for nft_(match/target)_validate(), but also
restrict the functions to classic iptables hooks.
Changes in v3:
* clarify that upstream nft will not display such configuration properly and
that the output was generated with a patched nft tool
* remove example program from commit description and link to it instead
* no code changes otherwise
Changes in v2:
* restrict nft_(match/target)_validate() to classic iptables hooks
* rewrite example program to use unmodified libnftnl
Fixes: d0009effa8 ("netfilter: nf_tables: validate NFPROTO_* family")
Link: https://lore.kernel.org/all/Zc1PfoWN38UuFJRI@calendula/T/#mc947262582c90fec044c7a3398cc92fac7afea72 [1]
Link: https://lore.kernel.org/all/20240220145509.53357-1-ignat@cloudflare.com/ [2]
Reported-by: Jordan Griege <jgriege@cloudflare.com>
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
[WHY]
Some eDP panels' ext caps don't write initial values. The value of
dpcd_addr (0x317) can be random and the backlight control interface
will be incorrect.
[HOW]
Add new panel patches to remove sink ext caps.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.5.x
Cc: Tsung-hua Lin <tsung-hua.lin@amd.com>
Cc: Chris Chi <moukong.chi@amd.com>
Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ryan Lin <tsung-hua.lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Revert a recent EC driver change that introduced an unexpected and
undesirable user-visible difference in behavior (Rafael J. Wysocki).
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Merge tag 'acpi-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Revert a recent EC driver change that introduced an unexpected and
undesirable user-visible difference in behavior (Rafael Wysocki)"
* tag 'acpi-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: EC: Use a spin lock without disabing interrupts"
Fix a latent bug in the intel-pstate cpufreq driver that has been
exposed by the recent schedutil governor changes (Doug Smythies).
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Merge tag 'pm-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a latent bug in the intel-pstate cpufreq driver that has been
exposed by the recent schedutil governor changes (Doug Smythies)"
* tag 'pm-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: fix pstate limits enforcement for adjust_perf call back
There's two things here - the big one is a batch of fixes for the power
management in the Cadence QuadSPI driver which had some serious issues
with runtime PM and there's also a revert of one of the last batch of
fixes for ppc4xx which has a dependency on -next but was in between two
mainline fixes so the -next dependency got missed.
The ppc4xx driver is not currently included in any defconfig and has
dependencies that exclude it from allmodconfigs so none of the CI
systems catch issues with it, hence the need for the earlier fixes
series. There's some updates to the PowerPC configs to address this.
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Merge tag 'spi-fix-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There's two things here - the big one is a batch of fixes for the
power management in the Cadence QuadSPI driver which had some serious
issues with runtime PM and there's also a revert of one of the last
batch of fixes for ppc4xx which has a dependency on -next but was in
between two mainline fixes so the -next dependency got missed.
The ppc4xx driver is not currently included in any defconfig and has
dependencies that exclude it from allmodconfigs so none of the CI
systems catch issues with it, hence the need for the earlier fixes
series. There's some updates to the PowerPC configs to address this"
* tag 'spi-fix-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: Drop mismerged fix
spi: cadence-qspi: add system-wide suspend and resume callbacks
spi: cadence-qspi: put runtime in runtime PM hooks names
spi: cadence-qspi: remove system-wide suspend helper calls from runtime PM hooks
spi: cadence-qspi: fix pointer reference in runtime PM hooks
Two small fixes, one small update for the max5970 driver bringing the
driver and DT binding documentation into sync plus a missed update to
the patterns in MAINTAINERS after a DT binding YAML conversion.
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Merge tag 'regulator-fix-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two small fixes, one small update for the max5970 driver bringing the
driver and DT binding documentation into sync plus a missed update to
the patterns in MAINTAINERS after a DT binding YAML conversion"
* tag 'regulator-fix-v6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: max5970: Fix regulator child node name
MAINTAINERS: repair entry for MICROCHIP MCP16502 PMIC DRIVER
access in arm64/neonbs.
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Merge tag 'v6.8-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes a regression in lskcipher and an out-of-bound access
in arm64/neonbs"
* tag 'v6.8-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm64/neonbs - fix out-of-bounds access on short input
crypto: lskcipher - Copy IV in lskcipher glue code always
Commit 'e3e56c050ab6 ("soc: qcom: rpmhpd: Make power_on actually enable
the domain")' aimed to make sure that a power-domain that is being
enabled without any particular performance-state requested will at least
turn the rail on, to avoid filling DeviceTree with otherwise unnecessary
required-opps properties.
But in the event that aggregation happens on a disabled power-domain, with
an enabled peer without performance-state, both the local and peer
corner are 0. The peer's enabled_corner is not considered, with the
result that the underlying (shared) resource is disabled.
One case where this can be observed is when the display stack keeps mmcx
enabled (but without a particular performance-state vote) in order to
access registers and sync_state happens in the rpmhpd driver. As mmcx_ao
is flushed the state of the peer (mmcx) is not considered and mmcx_ao
ends up turning off "mmcx.lvl" underneath mmcx. This has been observed
several times, but has been painted over in DeviceTree by adding an
explicit vote for the lowest non-disabled performance-state.
Fixes: e3e56c050a ("soc: qcom: rpmhpd: Make power_on actually enable the domain")
Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/linux-arm-msm/ZdMwZa98L23mu3u6@hovoldconsulting.com/
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240226-rpmhpd-enable-corner-fix-v1-1-68c004cec48c@quicinc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
hci_coredump_qca() uses __hci_cmd_sync() to send a vendor-specific command
to trigger firmware coredump, but the command does not have any event as
its sync response, so it is not suitable to use __hci_cmd_sync(), fixed by
using __hci_cmd_send().
Fixes: 06d3fdfcdf ("Bluetooth: hci_qca: Add qcom devcoredump support")
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
BT adapter going into UNCONFIGURED state during BT turn ON when
devicetree has no local-bd-address node.
Bluetooth will not work out of the box on such devices, to avoid this
problem, added check to set HCI_QUIRK_USE_BDADDR_PROPERTY based on
local-bd-address node entry.
When this quirk is not set, the public Bluetooth address read by host
from controller though HCI Read BD Address command is
considered as valid.
Fixes: e668eb1e15 ("Bluetooth: hci_core: Don't stop BT if the BD address missing in dts")
Signed-off-by: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
